To see the other types of publications on this topic, follow the link: Thermoelectrc generator (TEG).
Journal articles on the topic 'Thermoelectrc generator (TEG)'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 journal articles for your research on the topic 'Thermoelectrc generator (TEG).'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.
1
Ruzaimi, A., S. Shafie, Z. W. Hassan W., Azis N., Effendy Ya'acob M., and Elianddy E. "Temperature distribution analysis of monocrystalline photovoltaic panel for photovoltaic-thermoelectric generator (PV-TEG) hybrid application." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 17, no. 2 (2020): 858–76. https://doi.org/10.11591/ijeecs.v17.i2.pp858-876.
Full textAbstract:
An experiment has been carried out to prove the practicality of converting the waste heat from PV panels into electrical energy by observing the temperature levels and distribution of a conventional monocrystalline silicon (Mono c-Si) photovoltaic (PV) panels for photovoltaic-thermoelectric generator (PV-TEG) hybrid application of a Hybrid Agrivoltaic (HAV) Greenhouse System project. From the observation, highest temperature of the PV backside panel surface reached 81.1°C during solar noon and expected to reach even higher during hot season. The highest power output from the 160 numbers TEG modules in series and parallel configuration were calculated to reach 119 Watt during that time at ΔT 56.1 °C. This output is expected to fluctuate over the weather temperature fluctuation throughout the day. Meanwhile, for the heat distribution, it is best to apply the TEG arrays with optimized PV angle setup, where the temperature seems to be distributed evenly at all time, to provide optimum heat source to the TEG modules. It was concluded that the excess heat from the bottom surface of PV panels can be utilize by converting the heat via temperature differential to harvest additional electrical energy by integrating TEG system, hence maximizing the potential of solar radiation capacity in generating clean renewable energy.
2
Elgendi, Mahmoud, Jawaher AL Tamimi, Aysha Alfalahi, Dana Alkhoori, Mariam Alshanqiti, and Ayesha Aladawi. "Wall panels using thermoelectric generators for sustainable cities and communities: a mini-review." IOP Conference Series: Earth and Environmental Science 1074, no. 1 (2022): 012003. http://dx.doi.org/10.1088/1755-1315/1074/1/012003.
Full textAbstract:
Abstract Traditional air conditioners consume a significant portion of energy and negatively affect households’ budgets. In addition, the compressor is noisy, and the leaked refrigerant may harm the environment. On the other hand, thermoelectric materials (TEM) are materials that can transform heat into electricity and vice versa. Therefore, TEM can be used as a thermoelectric cooler (TEC), so they will be an excellent alternative to traditional air conditioners because they are static and do not contain refrigerant. In addition, TEM can be used as a thermoelectric generator (TEG), thermoelectric heater (TEH), and thermoelectric dehumidifier (TED). PCM can work as a thermal reservoir so that absorbed or released energy occurs almost at a constant temperature. Therefore, PCM can act as a heat sink for TEG because PCM’s temperature depends on the type of PCM. During the day, the TEG-PCM unit as a wall panel generates electricity because heat transfers from the exterior to PCM. During the night, PCM’s latent heat transfers from PCM to the exterior, where the exterior temperature is cooler than the temperature of PCM. Therefore, TEG generates electricity. Also, TEC can cool PCM for cooling purposes. The thickness and kind of PCM significantly influence the system’s and PCM’s performance. Photovoltaic panels (PV) generate electricity from light. Therefore, PV can be integrated with TEG and PCM to increase the system’s total efficiency and augment the benefit. The present paper reviews the recent studies that adopt TEM for wall panels.
3
Ebiringa, Marilyn A., JohnPaul Adimonyemma, and Chika Maduabuchi. "Performance Evaluation of a Nanomaterial-Based Thermoelectric Generator with Tapered Legs." Global Journal of Energy Technology Research Updates 7 (December 30, 2020): 48–54. http://dx.doi.org/10.15377/2409-5818.2020.07.5.
Full textAbstract:
A thermoelectric generator (TEG) converts thermal energy to electricity using thermoelectric effects. The amount of electrical energy produced is dependent on the thermoelectric material properties. Researchers have applied nanomaterials to TEG systems to further improve the device’s efficiency. Furthermore, the geometry of the thermoelectric legs has been varied from rectangular to trapezoidal and even X-cross sections to improve TEG’s performance further. However, up to date, a nanomaterial TEG that uses tapered thermoelectric legs has not been developed before. The most efficient nanomaterial TEGs still make use of the conventional rectangular leg geometry. Hence, for the first time since the conception of nanostructured thermoelectrics, we introduce a trapezoidal shape configuration in the device design. The leg geometries were simulated using ANSYS software and the results were post-processed in the MATLAB environment. The results show that the power density of the nanoparticle X-leg TEG was 10 times greater than that of the traditional bulk material semiconductor X-leg TEG. In addition, the optimum leg geometry configuration in a nanomaterial-based TEG is dependent on the operating solar radiation intensity.
4
Manap, Muhammad Abdul, and Al Fikri. "Rancang Bangun Pembangkit Listrik Alternatif Menggunakan Termoelektrik dengan Memanfaatkan pada Tungku Pemanas." Journal of Electrical Power Control and Automation (JEPCA) 3, no. 2 (2020): 53. http://dx.doi.org/10.33087/jepca.v3i2.41.
Full textAbstract:
his study aims to design an alternative power generator using a thermoelectric generator (TEG) by utilizing a heating furnace, using two thermoelectric generators (TEG) connected in series. Thermoelectrics that take advantage of temperature differences can produce voltages that correspond to the seebeck effect. The alternative power generator that has been designed consist of a thermoelectric, boost converter, and a 5 Watt DC lamp load. The test was carried out using a Boost Converter and using a 5 Watt DC lamp load for 20 minutes. The results of the research using the Boost Converter produce a voltage of 42.8 V with a temperature difference of 90°C, while using a 5 Watt DC lamp load produces a voltage of 8.81 V with a temperature difference of 82°C and the resulting current is 0.6 A, the resulting power 4.84W.
5
Feng, Yuanli, Lingen Chen, Fankai Meng, and Fengrui Sun. "Thermodynamic Analysis of TEG-TEC Device Including Influence of Thomson Effect." Journal of Non-Equilibrium Thermodynamics 43, no. 1 (2018): 75–86. http://dx.doi.org/10.1515/jnet-2017-0029.
Full textAbstract:
AbstractA thermodynamic model of a thermoelectric cooler driven by thermoelectric generator (TEG-TEC) device is established considering Thomson effect. The performance is analyzed and optimized using numerical calculation based on non-equilibrium thermodynamic theory. The influence characteristics of Thomson effect on the optimal performance and variable selection are investigated by comparing the condition with and without Thomson effect. The results show that Thomson effect degrades the performance of TEG-TEC device, it decreases the cooling capacity by 27 %, decreases the coefficient of performance (COP) by 19 %, decreases the maximum cooling temperature difference by 11 % when the ratio of thermoelectric elements number is 0.6, the cold junction temperature of thermoelectric cooler (TEC) is 285 K and the hot junction temperature of thermoelectric generator (TEG) is 450 K. Thomson effect degrades the optimal performance of TEG-TEC device, it decreases the maximum cooling capacity by 28 % and decreases the maximum COP by 28 % under the same junction temperatures. Thomson effect narrows the optimal variable range and optimal working range. In the design of the devices, limited-number thermoelectric elements should be more allocated appropriately to TEG when consider Thomson effect. The results may provide some guidelines for the design of TEG-TEC devices.
6
Zein, E., M. Safril, E. Sutanto, M. I. Hamid, M. Aziz, and F. Fahmi. "Floating power plant applications for electric battery using thermoelectric generators (TEG) on solar panels." IOP Conference Series: Earth and Environmental Science 1108, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1755-1315/1108/1/012007.
Full textAbstract:
Abstract The use of solar energy as a source of electrical power is done by utilizing solar panels. Even though the sun has two sources of energy: light energy and heat energy, however, up to now, the heat energy generated by the sun is not yet fully utilized. This study was aimed to develop floating -on water- power plant where the temperature difference that occurs in thermoelectric generator can increase the optimal output voltage on solar panels. The thermoelectric hot side is patched under the solar panel, and the cold side is patched on the surface of the water level. This study showed that the highest voltage results on the connected series are 3±1 volts with thermoelectric generator connected 60 series. The power generated by the thermoelectric generator is 3-7mW with a temperature difference of 14.5°C. Thermoelectric efficiency of the floating generators was 84.4%. The electrical power generated by the thermoelectric generator was stored in a 3V 2000 mAh electric battery. This energy is sufficient to light up the lamps and to charge the mobile phone for daily use.
7
Castañeda, Manuela, Andrés A. Amell, Mauricio A. Correa, Claudio E. Aguilar, and Henry A. Colorado. "Thermoelectric Generator Using Low-Cost Thermoelectric Modules for Low-Temperature Waste Heat Recovery." Sustainability 15, no. 4 (2023): 3681. http://dx.doi.org/10.3390/su15043681.
Full textAbstract:
One of the most significant problems in industrial processes is the loss of energy according to the sort of heat. Thermoelectrics are a promising alternative to recovering this type of thermal energy, as they can convert heat into electricity, improving the industrial efficiency of the process. This article presents the characteristics of low-cost thermoelectric modules typically used for generation (SP1848-27145SA (TEG-GEN)) and refrigeration (TEC1-12706 (TEC-REF)), both utilized in this research for heat recovery. The modules were evaluated against various configurations, source distances, and distributed systems in order to determine optimal recovery conditions. The experiments were conducted both at the laboratory level and in a large-scale furnace of the traditional ceramics industry, and they revealed that even refrigeration modules are suitable for energy recovery, particularly in developing countries, whereas other generators are more expensive and difficult to obtain. These thermoelectric generators were tested for low-temperature heat recovery in regular furnaces, and the results are to be implemented elsewhere. Results show that even the thermoelectric refrigeration modules can be a solution for heat recovery in many heat sources, which would be particularly strategic for developing countries.
8
Saleh Umar Abubakar, Siti Amely Jumaat, Babangida Yakubu, Yau Shuaibu Haruna, and Suleiman Abdulrahman. "Thermoelectric Energy Harvesting from the Roof and Attics of a Building." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 115, no. 2 (2024): 83–95. http://dx.doi.org/10.37934/arfmts.115.2.8395.
Full textAbstract:
Globally people are faced with difficulties in environmental pollution, increasing power costs, and global warming. As such researchers are focusing on enhancing energy-harvesting using thermoelectric generators for power generation to lessen the difficulties. Through the Seebeck effect, thermoelectric generators (TEGs) have proven their ability to convert thermal energy into electric power. Given the unique benefits they present, thermoelectric generators have arisen in the recent decade as a possible alternative to other green power generation technologies. A thermoelectric generator (TEG) is a solid-state device that converts thermal energy into electrical energy. TEG consists of elements of p and n-type semiconductors, connected thermally in parallel and electrically in series. In this paper, one hundred and ninety-two thermoelectric generators connected in series and parallel were used to investigate the thermal energy potential at the roof and attic area for domestic application for 20 days from the falling solar radiation on a residential prototype in Bashar, Wase Local government area of Plateau State. A theoretical analysis was used in determining the average output power (P) due to the delta T across the thermoelectric generator module junction. The load resistance value of the thermoelectric generator configuration was evaluated. The results show that the TEG generated power output ranging from 217 mW to 1.99 W throughout the day, 5.97 mW to 13.8 mW in the morning, and 6.8 mW to 36.9 mW in the evening. Furthermore, The finding also reveals that the attic side has the capacity to store thermal energy, which can be harnessed owing to the fast heat transfer to the surroundings during the convection process. In conclusion, solar irradiance has a major impact on the system.
9
Novikov, Artem, Dmitriy Uglanov, and Alexander Dovgyallo. "Efficiency Estimation of Thermoelectric Generators Application in the Liquefied Natural Gas Gasifiers." Applied Mechanics and Materials 789-790 (September 2015): 268–72. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.268.
Full textAbstract:
The object of the research is a thermoelectric generator installed in a liquefied natural gas gasifier. In this article the numerical estimation of parameters of thermoelectric generators (TEG) at cryogenic temperatures are presented and the experimental study of the thermoelectric properties of TEG at low temperatures as well as the outlook for using thermoelectric generators as a part of industrial liquefied natural gas gasifier has been carried out. In the process used heat transfer theory of cylindrical thin wall with a one-sided fins and the estimation of thermoelectric performance of TEG. As a result the experimental work has been investigated by TEG parameters at cryogenic temperatures; the evaluation of TEG number to produce electrical energy has been considered.
10
A. Marzouk, Osama. "Thermoelectric generators versus photovoltaic solar panels: Power and cost analysis." Edelweiss Applied Science and Technology 8, no. 5 (2024): 406–28. http://dx.doi.org/10.55214/25768484.v8i5.1697.
Full textAbstract:
In the current study, the concept of building a power plant using thermoelectric generator (TEG) modules is investigated, both technically and economically. The hypothesized thermoelectric generation power plant is a modular system, consisting of a large array of electrically connected thermoelectric generator units for generating clean electricity with-out greenhouse gas (GHG) emissions, noise, or hazardous solid wastes. The envisioned thermoelectric generation power plant (TEGPP) considered here is assumed to utilize solar radiation as a heat source, and water as a heat sink. The viability of such a concept is examined in the current study based on available specifications of a high-output thermo-electric generator module released in the market (TEG1-24111-6.0). Benchmarking is car-ried out considering a high-efficiency photovoltaic (PV) panel in the market (SunPower SPR-MAX3-400), assuming that it operates under standard solar radiation of 1,000 W, and with a standard panel temperature of 25 C, causing it to give an output electric power of 400 W (DC or direct current). It is found that in order to have an electric power of a thermoelectric generator unit similar to that of a photovoltaic panel of equal surface area, the temperature at the hot side of the thermoelectric generator unit should be about 70 C if the cold-side temperature is 30 C. However; under this output power equiva-lence, the price of the thermoelectric generator unit is about 90 times that of a photovol-taic panel of equal size (based on prices of October 2023). At an elevated hot-side tem-perature of 300 C for the thermoelectric generator unit (with the cold-side temperature being still 30 C), the thermoelectric generator unit can generate electric power that is about 25 times the power generated by a photovoltaic panel of an equal geometric area. This big boost in the output power still does not counteract the large cost difference be-tween the thermoelectric generator technology and the photovoltaic technology, where the per-watt(electric) cost in the case of thermoelectric generators is 3.5 times its value in the case of photovoltaic panels. Thus, the TEG technology in its intensified generation mode is still relatively more expensive compared to the PV technology. The practical im-plications of the current study are excluding the thermoelectric generation (based on the Seebeck effect) concept from large-scale commercial power plants, and viewing thermoe-lectric generators as sources of small electric power for waste heat management or con-venient power sources for small mobile devices.
11
Tharun Kumar G, Vincent Vidyasagar J, Ramesh M, and Akhila C R. "Functional implantable devices designed using bio-potential thermoelectric generator." International Journal of Research in Phytochemistry and Pharmacology 9, no. 4 (2019): 39–42. http://dx.doi.org/10.26452/ijrpp.v9i4.1351.
Full textAbstract:
Thermo Electric Generator is a device which Converts warmth immediately into electric electricity the usage of a phenomenon known as the "Seebeck effect”. Unlike traditional dynamic warmness engines, thermoelectric generators contain no shifting components and are absolutely silent. But for small packages, thermoelectrics can end up competitive due to the fact they are compact, easy (inexpensive) and scalable. Thermoelectric systems may be without problems designed to perform with small heat resources and small temperature difference. The main aim of this project is to use BIO-POTENTIAL as a driving source of power for the implant devices such as Pacemakers. Pacemakers usually use batteries as their power source, and when the battery's period is over, the patient has to undergo surgery to replace the batteries. By using TEG, rapidly undergoing surgery of those pacemakers’s patient can be avoided. The main objective of our project is to power implantable devices using Thermoelectric Generator and avoid further surgeries for the patient.
12
Maolikul, Surapree, Thira Chavarnakul, and Somchai Kiatgamolchai. "Market Opportunity Analysis in Thailand: Case of Individual Power Sources by Thermoelectric-Generator Technology for Portable Electronics." International Journal of Innovation and Technology Management 16, no. 03 (2019): 1950027. http://dx.doi.org/10.1142/s0219877019500275.
Full textAbstract:
Thermoelectrics, an energy-conversion technology, has been developed for its potential to support portable electronics with an innovative power source. Primarily focusing on the metropolitan market in Thailand, the study, thus, aimed at the market insight into portable electronics users’ characteristics and opinions of thermoelectric-generator (TEG) technology commercialization. The business research was conducted to analyze their behaviors for power-supply lacking problems, encountering heat or cold sources, purchasing decision for a TEG-based charger and key decision factors. For practical applications, an innovative TEG-based charger should be more flexible by harnessing various heat or cold sources from ambient situations to generate electrical power.
13
Sharuddin, Muhammad Syadza, Azdiana Md. Yusop, Ahmad Sadhiqin Mohd Isira, and Khairun Nisa Khamil. "Effect of Different Condition on Voltage Generation and Thermal Gradient from Road Pavement Using Thermoelectric Generator." Jurnal Kejuruteraan 32, no. 3 (2020): 415–22. http://dx.doi.org/10.17576/jkukm-2020-32(3)-06.
Full textAbstract:
Thermal energy harvesting is an interesting topic to be studied due to its advantage of being easily to be acquired, whether from natural sources or from waste heat. Road pavement is one of the example of waste heat sources which can be easily harvested because asphalt road is paved everywhere to facilitate land transportation. The thermal energy from a road can be collected by using a thermoelectric generator (TEG). TEG operates based on the Seebeck effect; when there are temperature differences between two dissimilar electrical conductors, potential differences will be generated. Harvesting thermal energy from the road using TEG does not only provide a clean, renewable source of energy but also can save cost. The government does not have to build electricity poles along the road to power up road lamps and traffic light, which can cost a fortune, especially in rural areas. This research aims to investigate factors that can affect thermoelectric generator energy harvesting from asphalt road, which includes, TEG configuration, TEG cooling technique, and thermal conductivity. Pavement samples were built with aluminium and copper plates installed to collect thermal energy and were tested with different conditions. The final result shows that thermoelectrics with 4x1 configuration provides the highest voltage output with 142.7 mV. The TEG cooling technique using a water tank generates the highest output voltage with 281 mV. Copper plate, which has higher thermal conductivity than aluminium generates more output voltage with 36.9 mV of voltage differences between them.
14
Ayu Puspita Sari, Denis, Triwahju Hardianto, and Suprihadi Prasetyono. "Analisis Pengaruh Kondisi Alam Pada Sistem Hybrid Panel Surya Dan Thermoelectric Generator." JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER 15, no. 1 (2025): 19–25. https://doi.org/10.33369/jamplifier.v15i1.36071.
Full textAbstract:
Indonesia memiliki sumber energi baru terbarukan yang sangat melimpah, salah satunya adalah cahaya matahari.telah banyak orang yang melakukan penelitian mengenai pemanfaatan energi cahaya matahari dengan menggunakan perangkat sel surya dan beberapa peneliitian menggunakan Thermoelectric Generator (TEG). Dalam penelitian terdahulu dilakukan dengan tujuan membandingkan tegangan keluaran dari sel surya itu sendiri dengan tegangan keluaran dari rangakaian hybrid sel surya dan Thermoelectric Generator (TEG) tanpa memperhatikan faktor alam dan juga mengkonfigurasi Thermoelectric Generator (TEG) . Oleh karena itu penelitian ini dilakukan dengan tujuan untuk memaksimalkan pemanfaatan energi cahaya matahari sebagai sumber energi baru dengan menggunakan sel surya dan Thermoelectric Generator (TEG) dalam upaya optimalisasi pemanenan energi dengan memperhatikan kondisi alam dan konfigurasi terbaik dari Thermoelectric Generator (TEG). Metode pengambilan data yang digunakan adalah dengan cara uji coba secara langsung. Untuk mendapatkan konfigurasi Thermoelectric Generator (TEG) terbaik untuk sistem hybrid ini akan dilakukan pengujian pada rangkaian Thermoelectric Generator (TEG) seri dan paralel. Pada saat pengujian tunggal Thermoelectric Generator (TEG) dan sistem hybrid secara bersamaan akan dilakukan pengambilan data terhadap analisis kondisi alam untuk mengetahui pengaruh kondisi alam terhadap tegangan keluaran sistem hybrid sel surya dan Thermoelectric Generator (TEG). Metode analisis akan menggunakan regresi linier ganda. Kondisi alam yang akan diambil sampelnya adalah intensitas cahaya, kecepatan angin dan kelembanan udara. Hasil dari penelitian ini adalah pengaruh dari masing-masing variabel kondisi alam terhadap tegangan hybrid sel surya dan Thermoelectric Generator (TEG) serta diketahuinya konfigurasi terbaik dari Thermoelectric Generator (TEG) untuk dilakukan hybrid dengan sel surya. Kata kunci : Sel Surya, Generator Termoelektrik (TEG), Regresi Linear Ganda
15
Almunir, Miftah, and Rifky. "Experimentation of Two Types of Thermoelectric Modules for Converting Thermal Energy to Electricity." METALIK : Jurnal Manufaktur, Energi, Material Teknik 2, no. 1 (2023): 1–8. http://dx.doi.org/10.22236/metalik.v2i1.12385.
Full textAbstract:
Abstract
 
 Thermoelectric is a device that can convert heat energy (temperature difference) into electrical energy. Thermoelectric can work as an electric generator, heat pump, and as a coolant. This research is about two thermoelectric modules, namely the TEC 1-127061-12706 type and the TEG SP 1848. Generally, the TEC 1-12706 type module is used as a coolant, while the TEG SP 1848 type module is used as a generator. The purpose of this study was to obtain the performance of each of the second modules as a converter of thermal energy into electrical energy. This study uses an experimental method. From each type of module, four modules are assembled to form a system, in order to obtain two thermoelectric generator systems with different types of modules. The hot side of the module is attached to an aluminum plate and is given heat from the heat source from the heater. The cold side of the module is also aluminum affixed and provided with an ice cube cooler. In this study, ice cubes were used as a stabilizer for the cooling temperature. Data retrieval by measurement, namely the measurement of the temperature of the top aluminum, the temperature of the hot side, the temperature of the cold side, and the temperature of the bottom aluminum. connections and the resulting current of each thermoelectric system is measured to obtain its output power. The results showed that the thermoelectric generator type TEC 1-12706 produces a maximum electric power of 3,7908 W and a minimum of 0,9541. For the TEG SP 1848 type, it produces a maximum electric power of 5,7970 W and a minimum of 0,9250 W.
16
Aigumov, T. G., V. A. Alyabev, D. V. Evdulov, and I. Sh Mispahov. "PORTABLE THERMOELECTRIC GENERATOR MODEL ELECTRIC ENERGY FOR THE FAR NORTH." Herald of Dagestan State Technical University. Technical Sciences 46, no. 2 (2019): 8–19. http://dx.doi.org/10.21822/2073-6185-2019-46-2-8-19.
Full textAbstract:
Objectives The aim of the study is to develop a model of a portable thermoelectric generator (TEG), designed to operate at low ambient temperatures, the study of thermophysical processes occurring during its operation.Method A thermal model of TEG for the conditions of the Far North was created, in which five main blocks are distinguished: a heat source (human), heat accumulators, TEG implemented by a certain number of thermoelectric batteries (TEB) connected in series, heat pipes and a radiator system for intensifying heat transfer cold junctions of thermopile elements with the environment, on the border of which there are boundary conditions of the 2nd and 3rd kind. Based on the thermal model, a mathematical model of the device has been developed, which includes solving the problems of calculating the heat conduction, melting and solidification of the working substance in a heat accumulator; an electric energy generator based on a thermoelectric converter.Result The dependency graphs are obtained, reflecting the main characteristics of the developed system, in particular, the dependence of the change in the emf on the temperature difference between the TEG junctions at various coefficients of heat exchange with the environment, efficiency TEG from thermo-emf.Conclusion As follows from the obtained data, the value of the generated emf directly related to the temperature difference between the TEG junctions, and the higher the value of the latter, the higher the emf value The direct dependence of the emf is also evident. and values of heat transfer coefficients with the environment. From the graphs presented, we can conclude that to obtain a larger value of the generated emf it is necessary to select a heat accumulator with the highest possible temperature and heat of fusion. C.p.d. generator decreases with increasing generated emf Under the conditions of a numerical experiment, the maximum value of the efficiency amounted to slightly less than 8%. It is advisable to use heat pipes as heat conduits because of the minimum heat loss along their length, and crystalline sodium sulfate, crystalline sodium carbonate, and paraffin as heat accumulators.
17
Borse, Dhiraj, Prathmesh Kedar, Pradnya Vichare, Rohini Yewle, and Bhanu pratap Singh. "TEG and TEC Battery Cooling System." International Journal for Research in Applied Science and Engineering Technology 12, no. 4 (2024): 9–19. http://dx.doi.org/10.22214/ijraset.2024.59649.
Full textAbstract:
Abstract: In various industries and applications, maintaining optimal operating temperatures for batteries is important to ensure performance, longevity, and safety. Traditional methods of battery cooling often involve complex and energy-intensive systems. In this paper, we propose a Thermoelectric Generator (TEG) and Thermoelectric Cooler (TEC) battery cooling system as an innovative solution to address this challenge. By harnessing the thermoelectric effect, this system offers a compact, efficient, and environmentally friendly approach to regulate battery temperatures. Through a comprehensive review of relevant literature and the design and implementation of our TEG and TEC cooling system, we explore its potential advantages and limitations. Experimental results demonstrate the system's effectiveness in maintaining desired battery temperatures while highlighting opportunities for further optimization. This research contributes to the advancement of battery cooling technology and opens avenues for future research and practical applications in various fields, including electric vehicles, renewable energy systems, and portable electronics.
18
Kunt, Mehmet Akif, and Haluk Gunes. "Comparing the recovery performance of different thermoelectric generator modules in an exhaust system of a diesel engine both experimentally and theoretically." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 1 (2019): 183–90. http://dx.doi.org/10.1177/0954407019837786.
Full textAbstract:
In this study, a thermoelectric recovery system was designed to convert the exhaust waste heat of an internal combustion diesel engine directly to electric power and the performance was measured at different engine speeds in the unloaded state. The performances of two different thermoelectric generators were compared in a system designed using four modules. Maximum 0.92 W power was obtained for four modules at 3500 r/min, at an area of 0.0016 m2. Internal resistance of modules has increased according to the engine speed. The highest internal resistance obtained during the experiments is 11.69 Ω at engine speed of 3500 r/min. The characteristics of the overall thermoelectric generator performance is coherent with the analysis model. In the current graph according to engine speed, the maximum absolute error is calculated for modules TEG 12-8 and TEG1-199 as 0.010 and 0.044, respectively (at experimented 3500 r/min). To charge the battery under maximum power point conditions, 133 thermoelectric modules were required (TEG1-199). Maximum power transfer is obtained when the load resistor is connected in parallel at 10 Ω. It is seen that modular structure thermoelectric generators are more important alternative than Rankine cycle system in terms of waste heat recovery, despite thermoelectric system has low efficiency.
19
Matteo Greppi, Giampietro Fabbri. "Analysis of different Hybrid TEG/TEC Configurations." Sumerianz Journal of Scientific Research, no. 63 (November 9, 2023): 54–60. http://dx.doi.org/10.47752/sjsr.63.54.60.
Full textAbstract:
The growing demand for electricity and the looming environmental crisis are the main challenges to be faced and solved today. This calls for innovative energy conversion systems, for which efficiency and reliability are among the most sought-after features. Thermoelectric generators are devices that can offer partial or complete solutions to these challenges of the new millennium. The advantages of these technologically advanced devices are many: they are environmentally friendly, reliable and have a long service life. Furthermore, by applying thermoelectric generators, it is possible to improve the efficiency of existing systems or meet the electricity demand of different systems with high flexibility. At the same time, their low conversion efficiency has so far prevented their wide application, limiting them mainly to research. However, recent advances in thermoelectric materials and devices are pushing this technology to find its place among state-of-the-art energy conversion systems. This review explores the state of the art in terms of research and solutions already on the market, in order to illustrate a comprehensive and realistic perspective of the PV-TEG/TEC structures.
20
Cekmas, Cekdin, Nawawi Zainuddin, and Faizal Muhammad. "The usage of thermoelectric generator as a renewable energy source." TELKOMNIKA Telecommunication, Computing, Electronics and Control 18, no. 4 (2020): 2186–92. https://doi.org/10.12928/TELKOMNIKA.v18i4.13072.
Full textAbstract:
Currently thermoelectric generators (TEG) are widely used in biomedical, military and space satellite power applications. TEG of high power plants are mostly used in automobile and industrial engines. This paper discusses TEG as a renewable energy source. Here the TEG in the application is used in the thermoelectric generator power plant. The working principle of this thermoelectric generator is on the heat side of the TEG peltier which is coated in metal in the form of aluminum, which is heated by a heater. And the cold side of the TEG Peltier is placed on the heat sink (as a heat dissipation metal). Heatsinks are submerged in water which are submerged about half or more. If the temperature of the metal being heated and the temperature of heat dissipation metal have a certain difference, then the temperature difference causes TEG to start working. The greater the temperature difference, the greater the electrical energy produced will be. However, if the temperature difference is too large it will damage the bismuth semiconductor material used. After TEG starts working it will produce voltage and current.
21
Oktabiansyah, Tobi, and Rifky. "Pengaruh Tegangan Listrik dan Arus Listrik terhadap Kinerja Termoelektrik Sebagai Pendingin Termoelektrik." METALIK : Jurnal Manufaktur, Energi, Material Teknik 2, no. 1 (2023): 9–19. http://dx.doi.org/10.22236/metalik.v2i1.12426.
Full textAbstract:
Thermoelectric material is a material that has thermal and electrical properties. The thermoelectric module can function as an electric generator, heat pump and cooler. The thermoelectric modules used in this study are the TEC 1-12706 type and the TEG SP 1848 type. This study uses both of these modules with each module using four thermoelectrics to be used as a cooling system. The purpose of the research is to obtain the lowest temperature on the cold side and the highest CoP thermoelectric performance coefficient on the two different modules with variations in the size of the electric voltage and electric current that have been determined, then to get a thermoelectric module that has a higher performance coefficient of the two types of thermoelectric modules used. used. The research method used is experimental. The two modules are separately supplied with DC electrical energy so that heat is absorbed on the cold side and heat is released on the hot side so that a temperature difference occurs, and an aluminum heatsink is attached to the cold side and the hot side. The data obtained from the input data are ambient temperature, electric voltage, and electric current. Then what is obtained from the output data is the temperature of the hot side, the temperature of the cold side, and the temperature of the cold room. The results of the study on the TEC 1-12706 module with variations in electric voltage produce a minimum cold side temperature of 5.9°C with the highest CoP value of the cooling system of 0.1821, while variations in electric current produce a minimum cold side temperature of 8.0°C with the highest CoP value of the cooling system of 0.3247. For the TEG SP 1848 module, variations in electric voltage produce a minimum cold side temperature of 8.3°C with the highest CoP value of the cooling system of 0.2371, while variations in electric current produce a minimum cold side temperature of 11.1°C with a CoP value the highest cooling system is 0.2158. Thus this study achieved the result that the use of the TEC 1-12706 module with variations in electric voltage produced the lowest temperature of 5.9 oC. While the use of TEC 1-12706 with variations in electric current produces the highest CoP value of 0.3247. There for the TEC 1-12706 module has a higher performance than the TEG SP 1848 module in terms of the lowest temperature achievement and the highest CoP value.
22
Faraj, Jalal, Wassim Salameh, Ahmad Al Takash, et al. "Dual harvesting from exhaust gas of diesel generators using thermoelectric generators and cold water tank." Journal of Physics: Conference Series 2754, no. 1 (2024): 012021. http://dx.doi.org/10.1088/1742-6596/2754/1/012021.
Full textAbstract:
Abstract The present work concerns a dual harvesting concept applied to exhaust gas of Diesel generators using thermoelectric generators and cold water tank. To proceed, a simplified thermal modelling is developed and appropriate parametric analysis of power generation with the TEGs and heat recovered is conducted in function of the Diesel generator power and the TEG thermal conductivity and thickness. It was shown that powers up to 534 W can be generated with the TEGs and heat recovery rates up to 4463 W can be obtained for a Diesel generator power of 125 kW. Also, it was shown that the temperature difference across the TEGs and the power generated increase exponentially when the Diesel generator power and ratio of thickness to thermal conductivity of TEGs increase.
23
Win, Sein Lae Yi, Yi-Chang Chiang, Tzu-Ling Huang, and Chi-Ming Lai. "Thermoelectric Generator Applications in Buildings: A Review." Sustainability 16, no. 17 (2024): 7585. http://dx.doi.org/10.3390/su16177585.
Full textAbstract:
With growing concerns about building energy consumption, thermoelectric generators (TEGs) have attracted significant attention for their potential to generate clean, green, and sustainable power. This comprehensive review explores the applications of thermoelectric generators (TEGs) in building systems, focusing on recent advancements from 2013 to 2024. The study examines TEG integration in building envelopes, including façades, walls, windows, and roofs, as well as non-integrated applications for waste heat recovery and HVAC systems. Key findings highlight the potential of TEGs in energy harvesting and thermal management, with façade-integrated systems generating up to 100.0 mW/m² and hybrid LCPV/T-TEG systems achieving overall efficiencies of 57.03%. The review also identifies critical parameters affecting TEG performance, such as solar intensity, thermoelectric arm length, and PCM melting temperature. Despite promising results, challenges remain in improving overall system efficiency, cost-effectiveness, and scalability. Future research directions include developing more efficient thermoelectric materials, optimizing system designs for various climatic conditions, and exploring integration with smart building management systems. This review provides valuable insights for researchers and practitioners working towards more energy-efficient and sustainable building designs using TEG technology.
24
Remeli, Muhammad Fairuz, and Baljit Singh. "Car exhaust waste heat recovery using hexagon shaped thermoelectric generator." Journal of Applied Engineering Design and Simulation 1, no. 1 (2021): 43–51. http://dx.doi.org/10.24191/jaeds.v1i1.25.
Full textAbstract:
Heat recovery technology using thermoelectric has attracted many research intentions mainly for its ability to generate power passively. The automotive engine usually produces waste heat ranging from 30-40% due to the thermodynamic limit. The use of thermoelectric generator (TEG) for waste heat recovery and power generation could increase the efficiency of the internal combustion engine system. This research developed and investigated a heat recovery system using a thermoelectric generator (TEG) for power generation. A thermoelectric generator (TEG) consisted of thermoelectric modules, hexagonal pipe connector and heat sinks was built and connected to an exhaust pipeline. A theoretical model was developed to access the thermal and electrical performance of the TEG system. The theoretical model consisted of the heat transfer mechanism including the thermal resistance networks from the flue gas to TEG and the heat sink. The electrical power output was determined using the Seebeck principle. The early stage of finding reveals that the system was able to produce an open circuit voltage of 0.13 V for a small temperature gradient of 3ᵒC between the cold and hot surface of the TEG. The further improvement of the system is currently under investigation for producing higher power. In the future, this system hopefully could replace the car battery for charging the alternator as well as increasing the overall efficiency of the engine system.
25
Zi Feng, Lim, and Lim Joon Hoong. "Effect of temperature mismatch on the life cycle of thermoelectric generator efficiency for waste heat recovery." MATEC Web of Conferences 335 (2021): 03010. http://dx.doi.org/10.1051/matecconf/202133503010.
Full textAbstract:
Global warming due to greenhouse gases that has been produced by energy generator as a byproduct has becoming a serious issue in recent decades. Thermoelectric module is an alternative method that can generate energy from heat and vice versa. The module is denominated as thermoelectric generator (TEG) when it is used to generate electricity via a process called the Seebeck effect. The use of thermoelectric generator has become more and more demanding due to the low maintenance cost and waste heat availability can be found everywhere in daily life such as car exhaust, roof tiles, and etc. The purpose of this research paper was to determine the effect of temperature mismatch on the life cycle of the thermoelectric generator efficiency using ANSYS simulation. The common used materials for the thermoelectric are bismuth telluride, lead telluride and silicon germanium. Each material has different thermal conductivity, Seebeck coefficient and electrical resistivity. The materials are paired together to form a thermocouple and the thermal gradient of the TEG is being evaluate through the simulation. Generally, the greater the temperature between the hot and cold side of the TEG, the higher the power generated. Bismuth telluride has a highest temperature difference between the hot and cold side followed by lead telluride and silicon germanium. The combination of BiTe(N) - BiTe(P) has the lowest minimum heat flux compared to the rest of the thermoelectric material combination. This proves that thermal and electrical properties and combination of thermoelectric material plays a vital role in the thermal gradient of the TEG.
26
Dalala, Zakariya M., Zaid S. Hamdan, Hussein Al-Taani, Mohammad Al-Addous, and Aiman Albatayneh. "Battery Charging Application with Thermoelectric Generators as Energy Harvesters." Academic Research Community publication 3, no. 1 (2019): 248. http://dx.doi.org/10.21625/archive.v3i1.446.
Full textAbstract:
This paper discusses and presents the implementation of a boost converter as power electronic interface to be used with the thermoelectric generator (TEG). The common application for such system is the battery charger. The boundary conditions for battery chargers include the charging current and battery voltage limits which have to be respected throughout the charging process, while the maximization of the power generated from the TEG is a global target that is desired to be met as much as possible. Coordinated control algorithm that collectively combines these constraints is the main focus of this work. Novel global control algorithm is proposed and verified in this paper with detailed analysis that shows the effectiveness of the proposed algorithm. Dual control loops for the voltage and current of the boost converter will be designed and analyzed to satisfy the source and load demands. Maximum power point tracking (MPPT) mode, power matching mode and voltage stabilization mode will be integrated in the control algorithm of the battery charger. This paper puts a schematic design for a system that harvests energy from a thermoelectric generator bank of a TEG1-12611-6.0 TEG modules in order to charge a battery bank of Samsung ICR18650 Batteries using constant current (CC) and constant voltage (CV) charging profiles.
27
Rifal, Mohamad, Nurmala Shanti Dera, and Rifaldo Pido. "PERANCANGAN PROTOTYPE HYBRID ENERGI ANTARA SOLAR CELL DAN THERMOELECTRIC GENERATOR (TEG)." Gorontalo Journal of Infrastructure and Science Engineering 3, no. 2 (2020): 1. http://dx.doi.org/10.32662/gojise.v3i2.1179.
Full textAbstract:
Until 2012, the electrification ratio in Gorontalo Province was 64.35%. The potential of primary energy available in Gorontalo to generate electrical energy is quite large and has opportunities to be developed, be it hydro, solar, or geothermal. The use of sunlight as a source of electrical energy is carried out using solar cells or solar panels. Solar panels can be used to convert solar radiation into electrical energy. The electric voltage generated by the solar panels can be used to charge the battery. Besides, the potential for thermal energy from hot springs can also be used as electrical energy by using a Thermoelectric Generator (TEG). The purpose of this study is to test whether the use of thermoelectric placed on aluminum plates can increase the voltage output of the thermoelectric generator and compare the resulting output voltage between hybrid energy, (solar cell and thermoelectric generator). The method used in this study is to measure the output voltage generated by the solar panels and each TEG every 1 hour. Then measure the total voltage of the hybrid generator. The results showed that the voltage obtained from TEG utilization depends on the temperature received by the TEG. The highest voltage is at TEG 6 at 3.7V at 10.00. the highest hybrid voltage is 37.4 v. Sampai dengan tahun 2012 rasio elektrifikasi di Provinsi Gorontalo sebesar 64,35%[1]. Potensi energi primer yang tersedia di Gorontalo untuk membangkitkan energi listrik cukup besar dan mempunyai peluang untuk dikembangkan baik itu tenaga air, matahari maupun tenaga panas bumi. Pemanfaatan cahaya matahari sebagai sumber energi listrik dilakukan dengan menggunakan solar sel atau panel surya. Panel surya dapat dimanfaatkan untuk mengkonversi radiasi matahari menjadi energi listrik. Tegangan listrik yang dihasilkan oleh panel surya dapat dipakai untuk mengisi baterai. Selain itu juga Potensi energi panas dari sumber air panas juga dapat dimanfaatkan menjadi energi listrik dengan menggunakan Thermoelectric Generator (TEG). Tujuan dari penelitian ini yaitu menguji apakah penggunaan Termoelektrik yang diletakkan pada pelat almunium dapat meningkatkan output tegangan dari thermoelektrik generator dan membandingkan tegangan output yang dihasilkan antara hybrid energy, (solar cell dan thermoelektrik generator). Metode yang dilakukan pada penelitian ini yaitu mengukur tegangan output yang dihasilkan oleh panel surya dan masing-masing TEG tiap 1 jam. Kemudian mengukur tegangan total pembangkit hybrid. Hasil penelitian menunjukan bahwa tegangan yang di dapatkan dari pemanfaatan TEG tergantung dari suhu yang di terima oleh TEG tersebut. tegangan paling tinggi berada pada TEG 6 sebesar 3.7V pada pukul 10.00. tegangan hybrid paling tinggi yaitu 37.4 v.
28
Deng, Ya Dong, Shan Chen, and Xun Liu. "Thermal Optimization of Exhaust-Based Thermoelectric Generator." Materials Science Forum 743-744 (January 2013): 88–93. http://dx.doi.org/10.4028/www.scientific.net/msf.743-744.88.
Full textAbstract:
The potential for automotive exhaust heat based thermoelectric generator (TEG) has been increased with continuously advances in thermoelectric technology. The thermal performance of the heat exchanger in exhaust-based TEG was analyzed. In terms of interface temperature and thermal uniformity, the thermal characteristics of the heat exchangers with different internal structures, materials and thicknesses were discussed. CFD simulations and infrared experiments on a high-performance production engine with a dynamometer were carried out. It was proved that the plate-shape heat exchanger made of brass with internal baffles and the thickness of 3mm, obtained a relatively optimal thermal performance, and it will help to improve the thermal performance of the TEG.
29
WOJCIECHOWSKI, Krzysztof, Jerzy MERKISZ, Paweł FUĆ, et al. "Prototypical thermoelectric generator for waste heat conversion from combustion engines." Combustion Engines 154, no. 3 (2013): 60–71. http://dx.doi.org/10.19206/ce-116986.
Full textAbstract:
The work presents experimental results of performance tests and theoretical calculations for the thermoelectric generator TEG fitted in the exhaust system of a 1.3 dm3 JTD engine. Benchmark studies were carried out to analyze the performance of the thermoelectric modules and total TEG efficiency. Additionally the investigation of combustion engine’s power drop casued by exhaust gasesflow resistance is presented. The detailed studies were performed using a new prototype of the thermoelectric generator TEG equipped with 24 BiTe/SbTe modules with the total nominal power of 168 W. The prototypical device generates maximal power of200 Wfor the exhaus gases massflow rate of 170 kg-h-1 and temperature of280 oC. Power drop caused by the flow resistance of gases ranges between 15 and 35 mbarfor mass flow rate 100-180 kg-h-1. We predict that the application of the new thermoelectric materials recently developed at AGH would increase the TEG power by up to 1 kW, would allow the increase of the powertrain system efficiency by about 5 %, and a corresponding reduction of C02 emission.
30
Gavpisarn, Apisak, Suwit Jugsujinda, and Tosawat Seetawan. "Thermoelectric Generator of Ceramic Materials." Advanced Materials Research 770 (September 2013): 64–67. http://dx.doi.org/10.4028/www.scientific.net/amr.770.64.
Full textAbstract:
This research has an objective to develop and fabricate thermoelectric generator (TEG) from the p-Ca3Co4O9 and n-CaMnO3 ceramic materials. The p-n materials were cut and polished to the dimension of 4 × 4 × 4 mm3 and 71 couples. The relationship between temperature difference and electrical voltage, electrical current, electrical power and conversion efficiency were measured. The electricity and efficiency of TEG showed the maximum value of 1.6 V, 300 mA, 480 mW and 0.025 % at temperature difference of 60 K.
31
Thimmareddygari, Somesh Reddy, Ankit Sonthalia, and C. Ramesh Kumar. "Performance Analysis of Single Module Thermoelectric Generator." Advanced Materials Research 875-877 (February 2014): 1625–29. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.1625.
Full textAbstract:
The need of energy is increasing enormously day by day and presently it is being fulfilled mostly by depleting energy resources like coal and petroleum based fuels. This situation pushes mankind to search for novel green technologies which can convert efficiently even low grade heat energy into useful energy. Thermoelectric generator (TEG) promises to be clear technology to generate electricity. TEG uses temperature gradient between source and sink to generate electricity. In this study, performance of commercially available thermoelectric module was studied using a specially designed cross flow heat exchanger. The heat exchanger was optimized previously using commercially available CFD package Ansys CFX. The efficiency of thermoelectric module was calculated by taking figure of merit and Carnot efficiency into consideration. The results indicate that the commercially available TEG used in this study, which is made of Bismuth Telluride performs efficiently at higher temperature difference and value of figure of merit is around one at maximum efficiency.
32
Akarslan, Emre, Said Mahmut Çınar, Fatih Onur Hocaoğlu, and Fatih Serttaş. "An Experimental Setup Design to Evaluate Power Generation Performances of TECs under Different Temperatures." Applied Mechanics and Materials 492 (January 2014): 473–77. http://dx.doi.org/10.4028/www.scientific.net/amm.492.473.
Full textAbstract:
Thermoelectric Cooler (TEC) is a semiconductor based device that has ability to separate cold and hot temperatures once the rated voltage is applied. In this study, TECs are used as Thermoelectric Generator (TEG). For this aim an experimental setup is built. By the help of this experimental setup electricity generation performances of the TEC is tested under various temperature conditions. The setup includes two water tanks, loads, TEC modules, computer interface and a data acquisition system. Temperature difference required for electrical generation of the TEC module is provided by filling the tanks with water at different temperatures. A data acquisition system is designed for this specific setup. First the setup with data acquisition system is introduced then experimental results are presented and discussed. Keywords:Electrical energy generation, Thermoelectric Cooler, LabVIEW
33
Roy Lamrun Sianturi, Wilson Sabastian Nababan, and Siwan E Parangin angin. "Hybrid Energy (Thermoelectric Generator-Archimedes Screw Turbine) Study and Experiment as a Green Energy Generator Based on the Internet of Things (IoT)." JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY 8, no. 2 (2024): 147–56. https://doi.org/10.31289/jmemme.v8i2.13105.
Full textAbstract:
The heat energy from the hot water source of Mount Sinabung can be used as a source of electrical energy before being channeled as a source of hot water baths. The hot water flow has a fairly high temperature and a flow rate that can be converted into a source of electricity generation using a Micro Hydro Power Plant (PLTMH) and Thermoelectric Generator (TEG). This data collection was simulated using a heat source designed in a reservoir and a cold water flow that is channeled into the PLTMH-TEG system space as a source of temperature delta. This paper aims to study the TEG series TEG1-199-1.4-0.5 and the Archimedes screw Turbine (PLTMH) as a Hybrid Generator (Green Energy). Data analysis was carried out to calculate the system power output, battery charging time, and efficiency of the TEG and PLTMH. Data analysis in this study applies the Internet of Things (IoT). Test data shows that the maximum output parameter of the PLTMH during testing, obtained a maximum voltage of 20.42 Vdc. The maximum current is 759.75 mA and the maximum water discharge is 2.31 m3/s. In the TEG system, the power generated by the TEG is 20.64 watts at a temperature difference of 70.5˚C. It is concluded that the higher the amount of discharge flowing into the Archimedes turbine system and the temperature difference absorbed by the TEG, the greater the power that will be generated and vice versa.
34
Alluri, Pavani Lakshmi, Daisy Rani Alli, and DV Rama Koti Reddy. "Studies on the TEG with changes in temperature difference and material properties." International Journal of Innovative Research and Scientific Studies 7, no. 1 (2023): 63–72. http://dx.doi.org/10.53894/ijirss.v7i1.2439.
Full textAbstract:
The thermoelectric generators are solid-state devices that produce electricity. They are designed to harness unused energy, or “waste heat”. These devices were primarily utilized in military and space projects due to their reliability as a self-contained power source, requiring minimal maintenance. Additionally, they are environmentally sustainable and renewable sources of energy, emitting no air or noise pollution. According to research, Thermoelectric Generators (TEGs) have a relatively low efficiency rate of less than 5%. However, they hold the potential to effectively harness low-temperature waste heat, making them a promising energy source for the purpose of charging battery cells or super capacitors utilized in autonomous sensors. This study analyses the feasibility of generating electricity through segmented TEGs operating at temperatures below 296 K. Thermoelectric materials were studied to improve the conversion efficiency of the TEG. Furthermore, an investigation was conducted on the configuration of the thermoelectric generator. The COMSOL Metaphysics software is used to design and stimulate the segmented TEG model. This model is initially derived from an existing generator and is known for its accurate outcomes. The study revealed that using an alloy consisting of 75% Bi2Te3, and 25% as a substitute for the thermoelectric material PbSe0.5Te0.5, which led to a significant increase in conversion efficiency and output voltage. A segmented TEG model exhibited higher conversion efficiency. The model is subsequently refined by incorporating various modifications aimed at improving its conversion efficiency.
35
Mativo, John, Kevin Hallinan, Uduak George, Greg Reich, and Robin Steininger. "Topology optimized thermoelectric generator: a parametric study." Energy Harvesting and Systems 7, no. 2 (2020): 33–53. http://dx.doi.org/10.1515/ehs-2021-0002.
Full textAbstract:
Abstract Typical thermoelectric generator legs are brittle which limits their application in vibratory and shear environments. Research is conducted to develop compliant thermoelectric generators (TEGs) capable of converting thermal loads to power, while also supporting shear and vibratory loads. Mathematical structural, thermal, and power conversion models are developed. Topology optimization is employed to tailor the TEG design yield maximal power production while sustaining the applied shear and vibratory loads. As a specific example, results are presented for optimized TEG legs with a void volume fraction of 0.2 that achieve compliance shear displacement of 0.0636 (from a range of 0.0504 to 0.6079). In order to achieve the necessary compliance to support the load, the power reduction is reduced by 20% relative to similarly sized void free TEG legs.
36
Doraghi, Qusay, Navid Khordehgah, Alina Żabnieńska-Góra, et al. "Investigation and Computational Modelling of Variable TEG Leg Geometries." ChemEngineering 5, no. 3 (2021): 45. http://dx.doi.org/10.3390/chemengineering5030045.
Full textAbstract:
In this work, computational modelling and performance assessment of several different types of variable thermoelectric legs have been performed under steady-state conditions and the results reviewed. The study conducted has covered geometries, not previously analysed in the literature, such as Cone-leg and Diamond-leg, based on the corresponding thermoelectric generator leg shape structure. According to the findings, it has been demonstrated that the inclusion of a variable cross-section can have an impact on the efficiency of a thermoelectric generator. It has been concluded that the Diamond configuration generated a slightly larger voltage difference than the conventional Rectangular geometry. In addition, for two cases, Rectangular and Diamond configurations, the voltage generated by a TEG module consisting of 128 pairs of legs was analysed. As thermal stress analysis is an important factor in the selection of TEG leg geometries, it was observed based on simulations that the newly implemented Diamond-leg geometry encountered lower thermal stresses than the traditional Rectangular model, while the Cone-shape may fail structurally before the other TEG models. The proposed methodology, taking into account the results of the simulation carried out, provides guidance for the development of thermoelectric modules with different forms of variable leg geometry.
37
Tien, Tan Nguyen, Quang Khong Vu, and Vinh Nguyen Duy. "Novel designs of thermoelectric generator for automotive waste heat recovery: A review." AIMS Energy 10, no. 4 (2022): 922–42. http://dx.doi.org/10.3934/energy.2022042.
Full textAbstract:
<abstract> <p>Many worldwide scientists have concentrated on using waste heat recovery technology in automotive applications because of increasingly strict fuel consumption. The thermoelectric generator (TEG) has garnered significant interest in the automobile sector as a viable waste heat recovery solution over the past several decades. A short survey of thermoelectric materials and heat exchangers for TEG systems is initially presented in this paper. To overcome the heat exchanger's current shortcomings, some previous studies designed a variety of the heat exchanger geometry of the TEG system. They suggested concentric cylindrical TEG system utilizes an annular thermoelectric module instead of the traditional square-shaped one. It uses the heat pipe's benefits to improve radial heat transmission. A comparison of the water-inside and gas-inside arrangements indicated that the water-inside concentric cylindrical TEG system provided a greater power output in our simulations to test the performance of the proposed system.</p> </abstract>
38
Chang, Ho, Kung Ching Cho, Chih Jung Yu, Kuohsiu David Huang, and Chieh Chen Chen. "Integration of CuO Thin Film and Bi2Te3 for Enhancing the Thermoelectric Conversion Efficiency of Thermoelectric Generator." Advanced Materials Research 152-153 (October 2010): 768–71. http://dx.doi.org/10.4028/www.scientific.net/amr.152-153.768.
Full textAbstract:
The paper deals with a coating CuO thin film coating on the surface of semiconductor thermoelements (Bi2Te3). In addition, the recycled external exhaust heat is used to generate electric power, further enhancing the thermoelectric conversion efficiency of the thermoelectric generator (TEG). By using electrophoresis deposition, a CuO nanofluid with high suspension stability and good dispersion is deposited on an aluminum foil at a thickness of 0.1mm. This film is conjugated with the top and base of a semiconductor thermoelements (Bi2Te3), and a thermoelectric generator is assembled in parallel with the modified thermoelectric material. Experimental results show that the CuO nanofilm coating on the surface of semiconductor thermoelements can enhance the overall heat conduction and thermoelectric conversion efficiency of thermoelectric generators by as much as 30%.
39
Indrasari, W., F. F. Achmad, and F. R. Rhamadhan. "DC-DC buck converter circuit for hybrid solar panel system using PV-TEG combination." Journal of Physics: Conference Series 2596, no. 1 (2023): 012028. http://dx.doi.org/10.1088/1742-6596/2596/1/012028.
Full textAbstract:
Abstract Solar energy utilization as electrical energy can be achieved by using solar panels and thermoelectric generators (PV-TEG) combination. Solar panels convert solar energy into electrical energy based on the principle of the photovoltaic effect. Meanwhile, the heat potential on the solar panels surface can be used to produce electrical energy using a thermoelectric generator based on the Seebeck effect. The electrical power generated by the PV-TEG is then fed into a DC-DC buck converter to lowering the electrical voltage according to the battery voltage capacity. This research aims to control the power transmitted from the PV-TEG to the battery to obtain optimal performance. Therefore, a circuit simulation of the DC-DC buck converter is conducted using LT-Spice to determine the converter’s efficiency. The DC-DC buck converter circuit is designed using a lowpass filter with its cut-off frequency of 1000 Hz (R=50Ω, L=33.8mH, and C=750nF). PV-TEG characterization is conducted to determine the input power range of the converter. The input power range obtained from the PV-TEG characterization is 18.98-20.55 V. The efficiency obtained through the LT-Spice simulation of the converter circuit is 72.94 %, with a maximum output voltage of 12.14 V.
40
Riyadi, Tri Widodo Besar, Nurmuntaha Agung Nugraha, Eko Meilana Suroto, et al. "Effect of Mass Flow Rates of the Liquid Petroleum Gas on the Power of the Thermoelectric Generator." Defect and Diffusion Forum 440 (March 14, 2025): 61–67. https://doi.org/10.4028/p-d7bcru.
Full textAbstract:
A thermoelectric generator can produce electrical energy using the extra heat from many sources, such as a Liquefied Petroleum Gas (LPG) cooking stove. This study aimed to examine the impact of varying LPG mass flow rates on the temperatures and power output of a thermoelectric generator (TEG). The LPG stove was altered by incorporating a hot side heat exchanger to enclose the burner, enabling the integration of four thermoelectric generators coupled in a series configuration. The temperature of the TEG hot and cold sides was measured using thermocouples and recorded using a data logger controlled by an Arduino. It is evident from the result that increased LPG mass flow rates cause the heat exchanger on the stove burner to heat up. There was a link between the temperature trend line of the TEG and the current, voltage, and power. The gas mass flow rates of 0.26 kg/h, 0.18 kg/h, and 0.14 kg/h correspond to power outputs of 3.09 W, 1.53 W, and 0.1 W, respectively. This study has demonstrated that installing a thermoelectric module on the LPG stove can serve as an alternate method to harvest the energy from the waste heat.
41
Et. al., Polamraju V. S. Sobhan,. "Synergetic Control Based Fast-Converging MPPT Technique for Thermoelectric Generator Energy System." INFORMATION TECHNOLOGY IN INDUSTRY 9, no. 2 (2021): 230–37. http://dx.doi.org/10.17762/itii.v9i2.338.
Full textAbstract:
Recently, waste heat energy recovery has attracted the attention of many researchers. The power conversion efficiency of Thermoelectric Generator (TEG) system is enhanced by designing suitable MPPT controller. In this study a robust nonlinear control technique based on synergetic control theory is designed to extract maximum power from Thermoelectric Generator system (TEG). The designed synergetic control law ensures the fast convergence towards maximum power operating point without any oscillations under the presence of system uncertainties and variable temperature conditions. The TEG system comprises of a Thermoelectric Generator module, power converter, maximum power point tracking algorithm and load. The simulation results show viability of proposed strategy in comparison with Perturb and Observe (P&O) method under variable temperature.
42
Olexandr, Shtanko, Litvinova Maryna, Andrieiev Artem, Andrieieva Mariia, and Savchuk Petro. "BUILDING A TECHNOLOGICAL MODEL OF THE EXHAUST GAS ENERGY RECOVERY DEVICE FOR THE DIESEL ENGINE ON A SMALLSIZED VESSEL." Eastern-European Journal of Enterprise Technologies 1, no. 8 (103) (2020): 35–42. https://doi.org/10.15587/1729-4061.2020.194938.
Full textAbstract:
Recuperation systems that utilize the energy of exhaust gases from existing diesel engines are designed for large and medium-sized vessels. There is a need to develop an appropriate system to recover the energy of exhaust gases for small-sized vessels. We have designed a technological model of the recuperation device for small vessels in the form of a thermoelectric generator (TEG) that operates on the exhaust gas energy. Technical conditions for the TEG arrangement on a vessel have been analyzed and the components of its design have been defined. We have proposed technical solutions for improving the process of energy heat transfer from gas to a TEG, namely: the use of thermoelectric modules (TEM) with an operating temperature above 1,000 °С; the application of a square shape of the pipeline cross-section, and the arrangement of a spiral-type cylinder inside the generator pipeline. Based on the theoretical calculations, we have examined a thermal model of the thermoelectric generator and estimated the technological parameters for using TEM in order to ensure maximum value of efficiency for a TEG. The need to divide the generator into three constituent sections has been identified, which operate as separate generators. We have shown a possibility to receive up to 0.8 kW of electric energy when using a TEG provided the rotation speed of the diesel engine shaft is 1,500 rpm. An optimal technique for utilizing the generator electric energy has been proposed, which implies the application of a motor-wheel. A motor-wheel function is to transform the excess electrical energy from a TEG into mechanical energy (to support the main engine) within a comprehensive increase in the fuel utilization efficiency. An appropriate circuit to connect a motor-wheel to the vessel's power system has been given. We have identified ways to improve the efficiency of a thermoelectric generator and extend the scope of its application on small vessels
43
Saleh, Umar Abubakar, Muhammad Akmal Johar, Siti Amely Binti Jumaat, Muhammad Nazri Rejab, and Wan Akashah Wan Jamaludin. "Evaluation of a PV-TEG Hybrid System Configuration for an Improved Energy Output: A Review." International Journal of Renewable Energy Development 10, no. 2 (2021): 385–400. http://dx.doi.org/10.14710/ijred.2021.33917.
Full textAbstract:
The development of renewable energy, especially solar, is essential for meeting future energy demands. The use of a wide range of the solar spectrum through the solar cells will increase electricity generation and thereby improve energy supply. However, solar photovoltaics (PV) can only convert a portion of the spectrum into electricity. Excess solar radiation is wasted by heat, which decreases solar PV cells’ efficiency and decreases their life span. Interestingly, thermoelectric generators (TEGs) are bidirectional devices that act as heat engines, converting the excess heat into electrical energy through thermoelectric effects through when integrated with a PV. These generators also enhance device efficiency and reduce the amount of heat that solar cells dissipate. Several experiments have been carried out to improve the hybrid PV-TEG system efficiency, and some are still underway. In the present study, the photovoltaic and thermoelectric theories are reviewed. Furthermore, different hybrid system integration methods and experimental and numerical investigations in improving the efficiency of PV-TEG hybrid systems are also discussed. This paper also assesses the effect of critical parameters of PV-TEG performance and highlights possible future research topics to enhancing the literature on photovoltaic-thermoelectric generator systems.
44
Muhammad Amirul Nadim, Irnie Azlin Zakaria, Baljit Singh Bhathal Singh, Wan Ahmad Najmi Wan Mohamed, and Rosnadiah Bahsan. "Al2O3 and SiO2 Nanofluids Performance in Thermoelectric Generator." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 107, no. 1 (2023): 45–57. http://dx.doi.org/10.37934/arfmts.107.1.4557.
Full textAbstract:
Thermoelectric generator, TEG, is a device that converts heat into electricity through the Seebeck effect. Nanofluids on the other hand are a fluid that contains suspension of nanoparticles in a base fluid. Nanofluids provide better heat transfer performance as compared to conventional coolants which is attributed to the presence of nanoparticle suspension in the base fluid. The purpose of this study is to observe the performance of a single TEG when subjected to nanofluids as the cooling medium. In this study, single Al2O3 and SiO2 nanofluids at 0.5% volume concentration were used and circulated at different flowrates. The performance of TEG was then observed through the power output of TEG. The TEG used was the bismuth telluride, Bi2Te3, where temperature of 80°C is applied to the hot side of the TEG. Simultaneously, nanofluids were circulated at the cold side of the TEG with flowrates of 12, 49, 80 and 112 mL/s. The effect on the temperature difference in the TEG, thus producing different voltage was observed. Power is then calculated from the obtained voltage and current. SiO2 nanofluids was able to increase the maximum power output by 45%, while Al2O3 nanofluids increased the maximum power output by 70%.
45
Sato, Yusuke, Shingo Terashima, and Eiji Iwase. "Origami-Type Flexible Thermoelectric Generator Fabricated by Self-Folding." Micromachines 14, no. 1 (2023): 218. http://dx.doi.org/10.3390/mi14010218.
Full textAbstract:
The flexibility of thermoelectric generators (TEGs) is important for low-contact thermal resistance to curved heat sources. However, approaches that depend on soft materials, which are used in most existing studies, have the problem of low performance in terms of the substrate’s thermal conductivity and the thermoelectric conversion efficiency of the thermoelectric (TE) elements. In this study, we propose a method to fabricate “Origami-TEG”, a TEG with an origami structure that enables both flexibility and the usage of high-performance rigid materials by self-folding. By applying the principle of the linkage mechanism to self-folding, we realized a fabrication process in which the TE element-mounting process and the active-material-addition process were separated in time. The fabricated origami-TEG showed similar internal resistance and maximum output power when attached to heat sources with flat and curved surfaces. Furthermore, it exhibited high-performance stability against both stretching and bending deformations.
46
Afghan, Syeda Adila, and Husi Géza. "Modelling and Analysis of Energy Harvesting in Internet of Things (IoT): Characterization of a Thermal Energy Harvesting Circuit for IoT based Applications with LTC3108." Energies 12, no. 20 (2019): 3873. http://dx.doi.org/10.3390/en12203873.
Full textAbstract:
This paper presents a simulation-based study for characterizing and analyzing the performance of a commercially available thermoelectric cooler (TEC) as a generator for harvesting heat energy along with a commercial-off-the-shelf (COTS) power management integrated circuit (PMIC); LTC3108. In this model, the transformation of heat was considered in terms of an electrical circuit simulation perspective, where temperature experienced by TEC on both cold and hot sides was incorporated with voltage supply as Vth and Vtc in the circuit. When it comes to modeling a system in a simulation program with an integrated circuit emphasis (SPICE) like environment, the selection of thermoelectric generator (TEG) and extraction methods are not straightforward as well as the lack of information from manufacturer’s datasheets can limit the grip over the analysis parameters of the module. Therefore, it is mandatory to create a prototype before implementing it over a physical system for energy harvesting circuit (EHC) optimization. The major goal was to establish the basis for devising the thermal energy scavenging based Internet of Things (IoT) system with two configurations of voltage settings for the same TEG model. This study measured the data in terms of current, voltage, series of resistive loads and various temperature gradients for generating the required power. These generated power levels from EHC prototype were able to sustain the available IoT component’s power requirement, hence it could be considered for the implementation of IoT based applications.
47
Atmoko, N. T., T. W. B. Riyadi, Haikal, Amarulloh, and H. L. Wijayanto. "The Experimental Investigation of Heating Rate Variant Method to Produce Power Output Generated by Thermoelectric Generator SP1848-SA." Journal of Physics: Conference Series 2406, no. 1 (2022): 012008. http://dx.doi.org/10.1088/1742-6596/2406/1/012008.
Full textAbstract:
Abstract Thermoelectric Generators (TEG) are a type of energy conversion device that uses the Seebeck effect to directly transform heat energy into electrical energy. The source of heat that will be transformed using this technology is one of many elements that determine TEG performance. Through laboratory-scale experimental tests, this research will examine how the performance of TEG in producing electricity and the temperature distribution profile is affected by changing the heating rate. The hot surface of the TEG module is heated by the heating plate, which is thought of as a source of wasted heat produced by the internal combustion engine. There are three heating rates available: low heating rate (0.35 °C/min), middle heating rate (0.93 °C/min), and high heating rate (1.55 °C/min). To collect temperature data in this research using the Arduino microcontroller temperature data logger, temperature measurements were taken on the TEG module’s hot surface (Th), cold surface (Tc), and ambient temperature (Ta). Arduino data logger is used to measure the electrical output performance in the form of net power output (P) generated by the TEG. The outcomes demonstrate that the pace of heating on the hot surface of the TEG module will impact to the surface temperature differential and the efficiency of the TEG module in producing electricity. The efficiency of TEG in producing electricity in the form of an average net power output increases with an increased heating rate.
48
Chung, Yi-Cheng, and Chun-I. Wu. "Enhancing Ocean Thermal Energy Conversion Performance: Optimized Thermoelectric Generator-Integrated Heat Exchangers with Longitudinal Vortex Generators." Energies 17, no. 2 (2024): 526. http://dx.doi.org/10.3390/en17020526.
Full textAbstract:
The effective utilization of renewable energy has become critical to technological advancement for the energetic transition from fossil fuels to clean and sustainable sources. Ocean Thermal Energy Conversion (OTEC) technology, which generates electricity by leveraging the temperature differential between surface and deep ocean waters, enables stable power generation around the clock. In this domain, the combination of thermoelectric generators (TEGs) and heat exchangers has exhibited immense potential for ameliorating the deficiencies of conventional OTEC. This study uses finite element numerical simulation of the COMSOL5.5 software to investigate the fluid dynamics characteristics of heat exchangers with flat fins and different types of longitudinal vortex generators (LVGs) under the same number of fins. This research encompasses heat exchangers with rectangular, triangular, and trapezoidal LVGs. Concurrently, the analysis examines how the vortices generated by the LVGs influence the thermoelectric performance of the TEGs. The results demonstrate that heat exchangers integrating flat fins and LVGs can enhance the power generation efficiency of TEGs. However, the pumping power required by the LVGs constrains the thermoelectric conversion efficiency. Compared to rectangular and triangular LVGs, trapezoidal LVGs achieve a superior balance between output and pumping power. Heat exchangers utilizing trapezoidal LVGs can attain the highest TEG thermoelectric conversion efficiency with a specific seawater flow velocity. Overall, these findings provide valuable reference information for applying TEGs and heat exchangers in OTEC design.
49
Jouhara, Hussam, Alina Żabnieńska-Góra, Navid Khordehgah, et al. "Thermoelectric generator (TEG) technologies and applications." International Journal of Thermofluids 9 (February 2021): 100063. http://dx.doi.org/10.1016/j.ijft.2021.100063.
Full text
50
MS., C. Muthupraba R.G. Sanjaikumar C. Balachandar N. Ragurajan and D. Viswa MS. C. Muthupraba. "Power Generation Using Thermoelectric Generator Integrated with Solar Radiation Monitoring with IOT." International Journal of Advanced Scientific and Technical Research 15, no. 1 (2025): 102–7. https://doi.org/10.5281/zenodo.15193249.
Full textAbstract:
<strong>Abstract—</strong>The project aims to supply electricity to electric or electronic systems from one or different energy sources present in the environment without grid connection or utilisation of batteries. These energy sources are solar (photovoltaic), movements (kinetic), radio-frequencies and thermal energy (thermoelectricity). The thermoelectric energy harvesting technology exploits the Seeback effect. This effect describes the conversion of temperature gradient into electric power at the junctions of the thermoelectric elements of a thermoelectric generator (TEG) device. This device is a robust and highly reliable energy converter, which aims to generate electricity in applications in which the heat would be otherwise dissipated. The significant request for thermoelectric energy harvesting is justified by developing new thermoelectric materials and the design of new TEG devices. Moreover, the thermoelectric energy harvesting devices are used for waste heat harvesting in microscale applications <strong>Index Terms—</strong>Thermoelectric Generator, Seeback effect, Temperature Gradient, IoT cloud