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Articoli di riviste sul tema "Solar cells – Design and construction"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 26 gennaio 2023

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1

Bhavnani, S. H. "Design and Construction of a Solar-Electric Vehicle." Journal of Solar Energy Engineering 116, no. 1 (February 1, 1994): 28–34. http://dx.doi.org/10.1115/1.2930061.

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Recent concerns relating to global warming caused by greenhouse gases, coupled with a growing awareness of the limited available resources of fossil fuels, have spurred an interest in alternative energy powered vehicles. This paper describes the analysis, development, and testing of an aerodynamic vehicle powered by photovoltaic cells. The primary components of the vehicle are the composite material body, the aluminum space frame, the wheel hubs and front suspension assembly, the drive train, and the electrical system. The frame was designed using finite element analysis with the components of

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Pavlovic, A., V. Mikhnych, M. Bertoldi, and C. Fragassa. "Investigating encapsulation design strategy of photovoltaic cells in the case of a solar race car." IOP Conference Series: Materials Science and Engineering 1214, no. 1 (January 1, 2022): 012042. http://dx.doi.org/10.1088/1757-899x/1214/1/012042.

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Abstract The efficiency in converting solar energy into electricity is fundamental wherever photovoltaic panels are present, still more crucial in the design of racing solar vehicles. Even minimal reductions in conversion ratio, maintained for the long solar races, cause solar cars to lose race positions and competitiveness. Here we introduce a numerical-experimental study for choosing the best combination of materials to encapsulate cells in solar roofs. The tangible expectation is to improve the performance of the monocrystalline silicon cells used in our solar vehicle by maximizing heat dis

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Bodnár, István, Dániel Koós, Patrik Iski, and Ádám Skribanek. "Design and Construction of a Sun Simulator for Laboratory Testing of Solar Cells." Acta Polytechnica Hungarica 17, no. 3 (2020): 165–84. http://dx.doi.org/10.12700/aph.17.3.2020.3.9.

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Nanda, Rizki Aulia, Karyadi Karyadi, Fathan Mubina Dewadi, Amir Amir, and Mohamad Rizkiyanto. "Archimedes' Principle Applied to Buoy Design for Measuring Purposes in Offshore Illumination Conditions." Jurnal Teknik Mesin Mechanical Xplore 3, no. 1 (August 8, 2022): 40–48. http://dx.doi.org/10.36805/jtmmx.v3i1.2692.

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Solar cells are becoming so common that every industry except PLN is already using them to produce alternative energy. The more solar cells used, the more light intensity meters are needed to calculate the amount of Illumination in a given area. This research entails constructing or implementing software, calculating the float's balance against the impact of waves, and determining how the float distributes load using the Archimedes principle. Electrical construction and chassis buoyancy are included in the design. When the density of water is greater than the density of the object, namely >

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Zhang, Shuaiqing. "Two-Terminal Perovskite Tandem Solar Cells: from Design to Commercial Prospect." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 368–76. http://dx.doi.org/10.54097/hset.v27i.3780.

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Tandem Solar Cells (TSCs) with multi-junction are capable to break the SQ limit and achieve high PCE through absorbing larger range of light wavelength by multiple absorber layers with different band gaps. Perovskite solar cells are ideal light absorbing materials for TSC because of its high PCE, high suitability with other absorbers, low cost and easy fabrication. Perovskite-based TSCs have so far outperformed single-junction devices in PCE, garnering considerable interest from both academia and material industry. In this review, the basic science of perovskite Tandem Solar Cells (PTSCs) is p

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Li, Qianqian, Zhongxing Jiang, Jingui Qin, and Zhen Li. "Heterocyclic-Functionalized Organic Dyes for Dye-Sensitized Solar Cells: Tuning Solar Cell Performance by Structural Modification." Australian Journal of Chemistry 65, no. 9 (2012): 1203. http://dx.doi.org/10.1071/ch12126.

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Due to their high conversion efficiency and low cost of production, dye-sensitized solar cells based on organic dyes have attracted considerable attention. By utilizing various heterocycles as construction blocks for organic dyes, the performance of solar cells was optimized to exhibit good light-harvesting features and suppress interfacial recombinations. The aim of this review is to highlight recent progress in the molecular design of heterocyclic-functionalized organic dyes for efficient dye-sensitized solar cells, and special attention has been paid to the relationship between chemical str

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Dzyuba, N., T. Kaverzneva, N. Leonova, and I. Skripnik. "Protection Against Traffic Noise Acoustic Screens with Solar Cells." IOP Conference Series: Earth and Environmental Science 988, no. 3 (February 1, 2022): 032003. http://dx.doi.org/10.1088/1755-1315/988/3/032003.

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Abstract In connection with the growth of cities and the increase in building density, the problem of noise control in the city is becoming increasingly relevant. To protect residential areas from the noise of traffic flows in megacities, acoustic barriers with their own design features are widely used. These features can be based on a number of reasons: a complex noise picture, imperfection of noise insulation or noise absorption materials, high cost of execution, and other reasons. The article shows that the use of transport acoustic barriers with hoods, the design of which includes solar pa

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Zhang, Lisha, Linlin Song, Qiwei Tian, Xingyu Kuang, Junqing Hu, Jianshe Liu, Jianmao Yang, and Zhigang Chen. "Flexible fiber-shaped CuInSe2 solar cells with single-wire-structure: Design, construction and performance." Nano Energy 1, no. 6 (November 2012): 769–76. http://dx.doi.org/10.1016/j.nanoen.2012.07.022.

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Schoden, Fabian, Anna Katharina Schnatmann, Tomasz Blachowicz, Hildegard Manz-Schumacher, and Eva Schwenzfeier-Hellkamp. "Circular Design Principles Applied on Dye-Sensitized Solar Cells." Sustainability 14, no. 22 (November 17, 2022): 15280. http://dx.doi.org/10.3390/su142215280.

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In a world with growing demand for resources and a worsening climate crisis, it is imperative to research and put into practice more sustainable and regenerative products and processes. Especially in the energy sector, more sustainable systems that are recyclable, repairable and remanufacturable are needed. One promising technology is dye-sensitized solar cells (DSSCs). They can be manufactured with low energy input and can be made from non-toxic components. More than 70% of the environmental impact of a product is already determined in the design phase of a product, which is why it is essenti

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Li, Hongkun. "The Recent Progress and the state-of-art applications of Perovskite Solar Cells." Highlights in Science, Engineering and Technology 5 (July 7, 2022): 216–22. http://dx.doi.org/10.54097/hset.v5i.745.

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With the awareness of using clean and sustainable energy, the utilization of solar power is of great importance in human society. Following the trend, solar cells are required to have higher and higher power conversion efficiency. Contemporarily, perovskite materials, as a new type of materials for construction of solar cells, exhibits great potential to have high efficiency. This article focuses on the methods on improving power conversion efficiencies of perovskite solar cells and discusses the limitation of recent technologies and industrial applications, and the future prospect of perovski

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Daoud, Raid W., Obed Majeed Ali, Omer Khalil Ahmed, and Ihab A. Satam. "Arduino-based design and implementation of experimental rooms with a trombe wall for solar cells applications." Bulletin of Electrical Engineering and Informatics 12, no. 3 (June 1, 2023): 1248–55. http://dx.doi.org/10.11591/eei.v12i3.4522.

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The simplicity of design and construction following the researcher's or company's notion is the most typical description of solar panels. There will be a set of sensors in every design to derive information about the environment's shifting seasons and days. Two chambers of 1 m2 and 2 m in height were constructed for this study. A solar panel made from a unique exchangeable material has been installed instead of one of the walls, allowing a space between them for experimental reasons. Several temperature sensors were mounted inside and outside the chamber, as well as on the surface of the solar

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Huang, Dingyan, Huimin Xiang, Ran Ran, Wei Wang, Wei Zhou, and Zongping Shao. "Recent Advances in Nanostructured Inorganic Hole−Transporting Materials for Perovskite Solar Cells." Nanomaterials 12, no. 15 (July 28, 2022): 2592. http://dx.doi.org/10.3390/nano12152592.

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Organic−inorganic halide perovskite solar cells (PSCs) have received particular attention in the last decade because of the high−power conversion efficiencies (PCEs), facile fabrication route and low cost. However, one of the most crucial obstacles to hindering the commercialization of PSCs is the instability issue, which is mainly caused by the inferior quality of the perovskite films and the poor tolerance of organic hole−transporting layer (HTL) against heat and moisture. Inorganic HTL materials are regarded as promising alternatives to replace organic counterparts for stable PSCs due to th

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Xu, Haifeng, and Zhong Jin. "Reasonable construction of Fe3O4/Ni@N-RGO nanoflowers as highly efficient counter electrodes for dye-sensitized solar cells." Sustainable Energy & Fuels 4, no. 7 (2020): 3604–12. http://dx.doi.org/10.1039/d0se00494d.

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The rational design of high-performance yet low-cost counter electrodes (CEs) with exceptional catalytic activity for the I<sup>−</sup>/I<sub>3</sub><sup>−</sup> redox couple and excellent corrosion resistance is of great importance for dye-sensitized solar cells (DSSCs).

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Shukla, Utkarsh. "Solar Autopilot Drone." Journal of Advanced Research in Power Electronics and Power Systems 07, no. 1&2 (May 13, 2020): 13–23. http://dx.doi.org/10.24321/2456.1401.202003.

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Advances in technology have made the drone an affordable tool for various purposes. This article focuses on gaining knowledge of drone at a working and conceptual level. Firstly, there is a detailed explanation of the construction of the drone. Some of the most essential elements of a drone include frame, propellers, engine, system of power the electronic control and communication system. Whether you fly your drone for commercial or recreational purposes, staying in the air as long as possible is the goal. But of course, the battery life of the drone can put a damper on how much you can accomp

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Pa, P. S. "Design of Thin Films Removal on Solar-Cells Silicon-Wafers Surface." Applied Mechanics and Materials 121-126 (October 2011): 805–9. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.805.

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In this study, the design of the mechanism of a recycling system using composite electrochemical and chemical machining for removing the surface layers from silicon wafers of solar cells is studied. The reason for constructing a new engineering technology and developing a clean production approach to perform the removal of surface thin film layers from silicon wafers is to develop a mass production system for recycling defective or discarded silicon wafers of solar cells that can reduce pollution. The goal of the development is to replace the current approach, which uses strong acid and grindi

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Shukla, Naman, K. Anil Kumar, Madhu Allalla, and Sanjay Tiwari. "Analysis of High Efficient Perovskite Solar Cells Using Machine Learning." Journal of Ravishankar University (PART-B) 35, no. 1 (March 8, 2022): 09–15. http://dx.doi.org/10.52228/jrub.2022-35-1-2.

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Affordable manufacturing along with high efficiency perovskite solar cell in photovoltaic technology has everyone's attention. Perovskite, which is in the lead role in solar cells, is full of characteristics such as high absorption coefficient, low exciton binding energy, charge carrier capable of having better mobility as well as more diffusion length and availability in suitable energy band. The application of machine learning technology is proving to be a boon to ensure optimum implementation with different properties in photovoltaic device, design, simple construction process and low-cost

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Ahmad Gondal, Irfan. "Design and experimental analysis of a solar thermoelectric heating, ventilation, and air conditioning system as an integral element of a building envelope." Building Services Engineering Research and Technology 40, no. 2 (November 19, 2018): 220–36. http://dx.doi.org/10.1177/0143624418814067.

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This study presents an innovative concept of a compact integrated solar-thermoelectric module that can form part of the building envelope. The heating/cooling modes use the photovoltaic electrical current to power the heat pump. The experimental analysis was carried out and the results of coefficient of performance were in the range 0.5–1 and 2.6–5 for cooling and heating functions, respectively. The study demonstrates that thermoelectric cooler can effectively be used for heating, ventilation, and air conditioning applications by integrating with solar panels especially in cooling application

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White, David A. "Modular Design of Li-Ion and Li-Polymer Batteries for Undersea Environments." Marine Technology Society Journal 43, no. 5 (December 1, 2009): 115–22. http://dx.doi.org/10.4031/mtsj.43.5.16.

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AbstractLi-Ion chemistry is ideal for undersea environments. The cells are sealed and do not outgas, and the polymer versions can withstand pressures greater than 10,000 psi. This combination results in a battery that is easier and safer to use and one that does not require heavy, expensive pressure vessels.Recent advances in electronic control of the Li-Ion battery and new modular design concepts for construction of complex battery systems have resulted in battery systems that are more robust, more flexible, longer lived, easier to charge and maintain, and safer than their lower density count

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Zhang, Xin, Yee Sin Ang, Lay Kee Ang, and Jincan Chen. "Concentrated thermionic solar cells using graphene as the collector: theoretical efficiency limit and design rules." Nanotechnology 33, no. 6 (November 16, 2021): 065404. http://dx.doi.org/10.1088/1361-6528/ac3459.

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Abstract We propose an updated design on concentrated thermionic emission solar cells, which demonstrates a high solar-to-electricity energy conversion efficiency larger than 10% under 600 suns, by harnessing the exceptional electrical, thermal, and radiative properties of the graphene as a collector electrode. By constructing an analytical model that explicitly takes into account the non-Richardson behavior of the thermionic emission current from graphene, space charge effect in vacuum gap, and the various irreversible energy losses within the subcomponents, we perform detailed characterizati

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Shi, Yaqi, and Wei Luo. "Application of Solar Photovoltaic Power Generation System in Maritime Vessels and Development of Maritime Tourism." Polish Maritime Research 25, s2 (August 1, 2018): 176–81. http://dx.doi.org/10.2478/pomr-2018-0090.

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Abstract The use of new energy generation technologies such as solar energy and electric propulsion technologies to form integrated power propulsion technology for ships has become one of the most concerned green technologies on ships. Based on the introduction of the principles and usage patterns of solar photovoltaic systems, the application characteristics of solar photovoltaic systems and their components in ships are analyzed. The important characteristics of the marine power grid based on solar photovoltaic systems are explored and summarized, providing a basis for future system design a

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Javier, Aguirre Contreras, Aguirre Muñoz Javier, and Arzate Perez Miguel. "Design of a System Generating Electricity by Means of a Solar Heater for a House." Resourceedings 2, no. 1 (February 25, 2019): 128. http://dx.doi.org/10.21625/resourceedings.v2i1.456.

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This article discloses a domestic system that allows greater energy efficiency in a home located in Mexico City, which facilitates its contribution to a green urbanism by installing it in the buildings of the City.The system was designed and built using a solar heater (CalGen) that was installed in a house with four people. Aluminum cans were used in the CalGen as vacuum tubes, the water heated in the cans was used in the shower, in addition the CalGen structure were placed photoelectric cells, which were controlled by an Arduino Uno, in order to increase the efficiency of the solar radiation.

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Van Dongen, Pauline, Ellen Britton, Anna Wetzel, Rogier Houtman, Ahmed Mohamed Ahmed, and Stephanie Ramos. "Suntex." Journal of Facade Design and Engineering 10, no. 2 (December 6, 2022): 141–60. http://dx.doi.org/10.47982/jfde.2022.powerskin.9.

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The key objective of this research project is to “create a new architectural textile, Suntex, by interweaving thin film solar cells and electrically conductive yarn into a structural technical textile, so it can generate energy while it is providing shade, structure or an aesthetic update to a building.” Textile has strong potential as a sustainable building material because it can be lightweight, material efficiency and low carbon. Moreover, its flexibility provides great design freedom and its transparency makes it very suitable for façade applications, maintaining views to the outside

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Kango, Riklan, Hadiyanto Hadiyanto, and Ezra Hartarto Pongtuluran. "Design and Implementation of Smart Bench Integrated Solar Cell for Public Space Electricity Saving." International Journal Papier Advance and Scientific Review 2, no. 2 (December 22, 2021): 72–81. http://dx.doi.org/10.47667/ijpasr.v2i2.121.

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The purpose of this research is to design a multifunctional garden bench integrated with solar panels. The bench product is created by utilizing sunlight as a source of electrical energy for the object features of the bench product. The implementation method for producing innovative bench products uses a research and development approach, including concept, design, collection of materials, assembly, and testing. The bench was tested to supply electricity to the LED lights and USB ports. Furthermore, analyzing statistical data the average value of; current, voltage, and power generated by the i

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Gatto, Emanuela, Raffaella Lettieri, Luigi Vesce, and Mariano Venanzi. "Peptide Materials in Dye Sensitized Solar Cells." Energies 15, no. 15 (August 3, 2022): 5632. http://dx.doi.org/10.3390/en15155632.

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In September 2015, the ONU approved the Global Agenda for Sustainable Development, by which all countries of the world are mobilized to adopt a set of goals to be achieved by 2030. Within these goals, the aim of having a responsible production and consumption, as well as taking climate action, made is necessary to design new eco-friendly materials. Another important UN goal is the possibility for all the countries in the world to access affordable energy. The most promising and renewable energy source is solar energy. Current solar cells use non-biodegradable substrates, which generally contri

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Chen, Shih-Hsiu, Kuan-Yi Kuo, Kun-Hung Tsai, and Chia-Yun Chen. "Light Trapping of Inclined Si Nanowires for Efficient Inorganic/Organic Hybrid Solar Cells." Nanomaterials 12, no. 11 (May 26, 2022): 1821. http://dx.doi.org/10.3390/nano12111821.

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Light/matter interaction of low-dimensional silicon (Si) strongly correlated with its geometrical features, which resulted in being highly critical for the practical development of Si-based photovoltaic applications. Yet, orientation modulation together with apt control over the size and spacing of aligned Si nanowire (SiNW) arrays remained rather challenging. Here, we demonstrated that the transition of formed SiNWs with controlled diameters and spacing from the crystallographically preferred <100> to <110> orientation was realized through the facile adjustment of etchant composit

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Sobik, Piotr, Radosław Pawłowski, Anna Pluta, Olgierd Jeremiasz, Kazimierz Drabczyk, Grażyna Kulesza-Matlak, and Paweł Antoni Zięba. "The impact of ribbon treatment on the interconnection of solar cells withina glass free PV module." Microelectronics International 36, no. 3 (July 1, 2019): 95–99. http://dx.doi.org/10.1108/mi-11-2018-0076.

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Purpose The purpose of this paper is to investigate the behavior of interconnections between solar cells in a glass-free solar modules. As glass weight can be a limitation, it is still interesting to investigate other types of systems, especially when the glass was replaced with a polymeric front sheet. Such systems can be more sensitive for the solar cell interconnection ribbon fatigue. Design/methodology/approach To examine this effect, the set of glass-based and glass-free modules were prepared using various ribbon thickness and treatment concerning its stretching or curving before laminati

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Dharmadasa, I. M., and A. E. Alam. "How to Achieve Efficiencies beyond 22.1% for CdTe-Based Thin-Film Solar Cells." Energies 15, no. 24 (December 15, 2022): 9510. http://dx.doi.org/10.3390/en15249510.

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This review paper summarises the key issues of CdTe and CdS/CdTe solar cells as observed over the past four decades, and focuses on two growth techniques, electrodeposition (ED) and closed space sublimation (CSS), which have successfully passed through the commercialisation process. Comprehensive experience in electrical contacts to CdTe, surfaces & interfaces, electroplated CdTe and solar cell development work led to the design and experimentally test grading of band gap multilayer solar cells, which has been applied to the CdS/CdTe structure. This paper presents the consistent and reprod

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Plebankiewicz, Ireneusz, Krzysztof Artur Bogdanowicz, and Agnieszka Iwan. "Photo-Rechargeable Electric Energy Storage Systems Based on Silicon Solar Cells and Supercapacitor-Engineering Concept." Energies 13, no. 15 (July 28, 2020): 3867. http://dx.doi.org/10.3390/en13153867.

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Recently, use of supercapacitors as energy storage systems has attracted considerable attention. However, the literature is scarce of information about the optimization of hybrid systems, using supercapacitors as the main energy storage system. In our study, we focused step-by-step on the engineering concept of a photo-rechargeable energy storage system based on silicon solar cells and supercapacitors. In the first step, based on commercially available elements, we designed a solar charger and simulated its work in idealized conditions. Secondly, we designed appropriate electronic connections

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Racharla, Suneetha, K. Rajan, and K. R. Senthil Kumar. "A Fuzzy Logic Controlled Single Axis Solar Tracking System." Applied Mechanics and Materials 787 (August 2015): 893–98. http://dx.doi.org/10.4028/www.scientific.net/amm.787.893.

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Recently renewable energy sources have gained much attention as a clean energy. But the main problem occurs with the varying nature with the day and season. Aim of this paper is to conserve the energy, of the natural resources. For solar energy resource, the output induced in the photovoltaic (PV) modules depends on solar radiation and temperature of the solar cells. To maximize the efficiency of the system it is necessary to track the path of sun in order to keep the panel perpendicular to the sun. This paper proposes the design and construction of a microcontroller-based solar panel tracking

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Khalifa, Mohamed E., Abdulraheem S. A. Almalki, Amar Merazga, and Gaber A. M. Mersal. "Design, Molecular Modeling and Synthesis of Metal-Free Sensitizers of Thieno Pyridine Dyes as Light-Harvesting Materials with Efficiency Improvement Using Plasmonic Nanoparticles." Molecules 25, no. 8 (April 15, 2020): 1813. http://dx.doi.org/10.3390/molecules25081813.

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Considering the thiophene unit as an electron-rich heterocycle, it is investigated with the aim of elucidating its potential efficiency for solar cell application. With the introduction of active substituents such as COOEt, CONH2 and CN into the thiophene segment, three novel thieno pyridine sensitizers (6a–c), based on donor-acceptor D-π-A construction, are designed and synthesized. The effect of the anchoring groups is investigated based on their molecular orbital’s (MO’s) energy gap (Eg). The electrostatic interaction between the synthesized dyes and metal nanoparticles, namely gold, silver

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Al-Ahmad, Alaa, John Holdsworth, Benjamin Vaughan, Warwick Belcher, Xiaojing Zhou, and Paul Dastoor. "Optimizing the Spatial Nonuniformity of Irradiance in a Large-Area LED Solar Simulator." Energies 15, no. 22 (November 10, 2022): 8393. http://dx.doi.org/10.3390/en15228393.

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The solar simulator has allowed all photovoltaic devices to be developed and tested under laboratory conditions. Filtered xenon arc lamps were the gold-standard source for solar simulation of small-area silicon photovoltaic devices; however, scaling these devices to illuminate large areas is neither efficient nor practical. Large-area solar simulation to meet appropriate spectral content and spatial nonuniformity of irradiance (SNI) standards has traditionally been difficult and expensive to achieve, partly due to the light sources employed. LED-based solar simulation allows a better electrica

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Bangaru, Varun, Srisailam Deshamonula, and Shiva Rama Krishna. "Single Axis Sun Tracking Solar System Using IC L293D." International Journal of Computer Science and Mobile Computing 11, no. 1 (January 30, 2022): 66–73. http://dx.doi.org/10.47760/ijcsmc.2022.v11i01.009.

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Of all the renewable energies, solar power is the only energy gained its popularity and importance quickly. Through the solar tracking system, we are able to manufacture a plenteous quantity of energy that makes the solar panel’s workability far more efficient. Perpendicular quotient of the solar panels with the sun rays are that the reason lying behind its efficiency. Pecuniary, its installation charges are high provided cheaper choices are on the market. This project is mentioned all regarding the design and construction mechanism of the paradigm for the sun solar tracking system having a si

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Alfaraidy, Faris A., and Hassan A. Sulieman. "The Economics of Using Solar Energy: School Buildings in Saudi Arabia as a Case Study." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 7, no. 1 (May 1, 2019): 13. http://dx.doi.org/10.14500/aro.10461.

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As a result of increasing population and building of new schools in Saudi Arabia, the demand for electricity is growing rapidly. In this context, the utilization of renewable energy resources such as solar energy appears to goal since it is abundant and holds huge ecological and economic promise. This study aims to provide a new entrance in school buildings’ design and construction by studying the current situation of energy consumption, the possibility of using solar cells, and the economics of its exploitation in school buildings. Interviews were conducted in school buildings at different le

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Konishi, Toshifumi, Masaki Horie, Tatsuo Wada, Shin Ogasawara, Jun-ichi Kikuchi, and Atsushi Ikeda. "Supramolecular photocurrent-generating systems using porphyrin composite materials." Journal of Porphyrins and Phthalocyanines 11, no. 05 (May 2007): 342–47. http://dx.doi.org/10.1142/s1088424607000382.

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Supramolecular design principles for a porphyrin-sensitized, wet-type solar cell are described. To construct efficient organic photocurrent-generating systems, the following two important targets exist: (i) kinetic control of photoinduced electron-transfer processes by spatial, three-dimensional alignment of photo-functional molecules (sensitizers, electron donors, acceptors, and mediators) and (ii) highly dense deposition of composites of the photo-functional molecules on an electrode. These objectives can be achieved by tailoring a photoactive multilayer using supramolecular interactions, su

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Bai, Jitao, Simiao Zhang, Jiahe Liang, Yanlong Zhao, Weiyi Li, Yu Diao, and Dongfan Shang. "A systematic design method for green buildings based on the combined system of flexible solar cells and reactors on buildings." Building and Environment 209 (February 2022): 108657. http://dx.doi.org/10.1016/j.buildenv.2021.108657.

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36

Yu, Yunhe, Nishant Narayan, Victor Vega-Garita, Jelena Popovic-Gerber, Zian Qin, Marnix Wagemaker, Pavol Bauer, and Miro Zeman. "Constructing Accurate Equivalent Electrical Circuit Models of Lithium Iron Phosphate and Lead–Acid Battery Cells for Solar Home System Applications." Energies 11, no. 9 (September 1, 2018): 2305. http://dx.doi.org/10.3390/en11092305.

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Abstract (sommario):

The past few years have seen strong growth of solar-based off-grid energy solutions such as Solar Home Systems (SHS) as a means to ameliorate the grave problem of energy poverty. Battery storage is an essential component of SHS. An accurate battery model can play a vital role in SHS design. Knowing the dynamic behaviour of the battery is important for the battery sizing and estimating the battery behaviour for the chosen application at the system design stage. In this paper, an accurate cell level dynamic battery model based on the electrical equivalent circuit is constructed for two battery t

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Reynolds, James, Evan Williams, Devon Martin, Caleb Readling, Parvez Ahmmed, Anders Huseth, and Alper Bozkurt. "A Multimodal Sensing Platform for Interdisciplinary Research in Agrarian Environments." Sensors 22, no. 15 (July 26, 2022): 5582. http://dx.doi.org/10.3390/s22155582.

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Agricultural and environmental monitoring programs often require labor-intensive inputs and substantial costs to manually gather data from remote field locations. Recent advances in the Internet of Things enable the construction of wireless sensor systems to automate these remote monitoring efforts. This paper presents the design of a modular system to serve as a research platform for outdoor sensor development and deployment. The advantages of this system include low power consumption (enabling solar charging), the use of commercially available electronic parts for lower-cost and scaled up de

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38

Tian, Bozhi, and Charles M. Lieber. "Design, synthesis, and characterization of novel nanowire structures for photovoltaics and intracellular probes." Pure and Applied Chemistry 83, no. 12 (October 31, 2011): 2153–69. http://dx.doi.org/10.1351/pac-con-11-08-25.

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Abstract (sommario):

Semiconductor nanowires (NWs) represent a unique system for exploring phenomena at the nanoscale and are expected to play a critical role in future electronic, optoelectronic, and miniaturized biomedical devices. Modulation of the composition and geometry of nanostructures during growth could encode information or function, and realize novel applications beyond the conventional lithographical limits. This review focuses on the fundamental science aspects of the bottom-up paradigm, which are synthesis and physical property characterization of semiconductor NWs and NW heterostructures, as well a

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Hasan, Husam Abdulrasool, Jenan S. Sherza, Jasim M. Mahdi, Hussein Togun, Azher M. Abed, Raed Khalid Ibrahim, and Wahiba Yaïci. "Experimental Evaluation of the Thermoelectrical Performance of Photovoltaic-Thermal Systems with a Water-Cooled Heat Sink." Sustainability 14, no. 16 (August 17, 2022): 10231. http://dx.doi.org/10.3390/su141610231.

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A design for a photovoltaic-thermal (PVT) assembly with a water-cooled heat sink was planned, constructed, and experimentally evaluated in the climatic conditions of the southern region of Iraq during the summertime. The water-cooled heat sink was applied to thermally manage the PV cells, in order to boost the electrical output of the PVT system. A set of temperature sensors was installed to monitor the water intake, exit, and cell temperatures. The climatic parameters including the wind velocity, atmospheric pressure, and solar irradiation were also monitored on a daily basis. The effects of

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40

Pandey, Rahul, Sakshi Sharma, Jaya Madan, and Rajnish Sharma. "Numerical simulations of 22% efficient all-perovskite tandem solar cell utilizing lead-free and low lead content halide perovskites." Journal of Micromechanics and Microengineering 32, no. 1 (December 1, 2021): 014004. http://dx.doi.org/10.1088/1361-6439/ac34a0.

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Abstract Lead-free or low lead content perovskite materials are explored in photovoltaic (PV) devices to mitigate the challenges of toxic lead-based halides. However, the conversion efficiency from such materials is far below compared to its counterparts. Therefore, to make a humble contribution in the development of lead-free or low lead content perovskite solar cells (PSCs) for future thin-film PV technology, a simulation study of tin (Sn) and Pb mixed halide (MAPb0.5Sn0.5I3, 1.22 eV) PSC is carried out in this manuscript. The device is further optimized in terms of transport layer and thick

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Keiyinci, Sinan, and Kadir Aydin. "Ground simulation of fuel cell/battery hybrid propulsion system for small unmanned air vehicles." Aircraft Engineering and Aerospace Technology 93, no. 5 (June 10, 2021): 783–93. http://dx.doi.org/10.1108/aeat-08-2020-0180.

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Purpose The endurance of small unmanned air vehicles (UAVs) is directly associated with the energy density of the propulsion system used. As the batteries commonly used in small UAVs have a relatively low energy density, they are not sufficient for long-term endurance tasks. The purpose of this paper is to offer a solution to increase the endurance of a concept small UAV with combination of different power sources. The design, construction and ground tests of fuel cell-powered hybrid propulsion systems are presented in this paper. Design/methodology/approach The power requirements of a concept

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Guerrero-Ramirez, Esteban, Alberto Martinez-Barbosa, Marco Antonio Contreras-Ordaz, Gerardo Guerrero-Ramirez, Enrique Guzman-Ramirez, Jorge Luis Barahona-Avalos, and Manuel Adam-Medina. "DC Motor Drive Powered by Solar Photovoltaic Energy: An FPGA-Based Active Disturbance Rejection Control Approach." Energies 15, no. 18 (September 9, 2022): 6595. http://dx.doi.org/10.3390/en15186595.

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This paper presents an experimental platform for regulating the DC motor angular speed powered by photovoltaic cells. The experimental platform comprises an Eco Green Energy EGE-260P-60 solar panel, DC/DC SEPIC converter, DC bus, DC/DC buck converter, DC motor and Nexys 4 board with an Artix-7 100T FPGA. The DC/DC SEPIC converter is used for harvesting the maximum amount of energy from the PV cells using the perturb and observe algorithm to track the maximum power point. The DC/DC buck converter is used as the motor drive using the active disturbance rejection control to regulate the angular s

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Wu, Jieyun, Qing Li, Wen Wang, and Kaixin Chen. "Optoelectronic Properties and Structural Modification of Conjugated Polymers Based on Benzodithiophene Groups." Mini-Reviews in Organic Chemistry 16, no. 3 (January 25, 2019): 253–60. http://dx.doi.org/10.2174/1570193x15666180406144851.

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Abstract (sommario):

Organic conjugated materials have shown attractive applications due to their good optoelectronic properties, which enable them solution processing techniques in organic optoelectronic devices. Many conjugated materials have been investigated in polymer solar cells and organic field-effect transistors. Among those conjugated materials, Benzo[1,2-b:4,5-b′]dithiophene (BDT) is one of the most employed fused-ring building groups for the synthesis of conjugated materials. The symmetric and planar conjugated structure, tight and regular stacking of BDT can be expected to exhibit the excellent carrie

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Yi, Yanjie, Jingshun Zhuang, Chao Liu, Lirong Lei, Shuaiming He, and Yi Hou. "Emerging Lignin-Based Materials in Electrochemical Energy Systems." Energies 15, no. 24 (December 13, 2022): 9450. http://dx.doi.org/10.3390/en15249450.

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Abstract (sommario):

Lignin is a promising material due to its excellent properties. It is commonly used in electrochemical energy systems (including electrolytes, electrodes, diaphragms, and binders) due to its low price, sustainability and rich functional groups. However, lignin’s applications in energy storage systems have not been systematically reviewed in the current research. In this article, recent advances in the preparation and design of lignin-derived energy storage materials were reviewed. Starting with a brief overview of the basic chemistry of lignin and the separation process, progress in the prepar

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Jeremiasz, Olgierd, Paweł Nowak, Franciszek Szendera, Piotr Sobik, Grażyna Kulesza-Matlak, Paweł Karasiński, Wojciech Filipowski, and Kazimierz Drabczyk. "Laser Modified Glass for High-Performance Photovoltaic Module." Energies 15, no. 18 (September 15, 2022): 6742. http://dx.doi.org/10.3390/en15186742.

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Abstract (sommario):

The solar module output power is the power generated by all individual cells in their specific electrical circuit configuration, multiplied by the cell-to-module power ratio. The cell-to-module power ratio thus reflects the sum of the losses and gains produced by the structure of the module. The biggest process change in module design during the last few years was the introduction of half cells. Another important trend is the use of bifacial cells to build bifacial modules. These two trends increase parts of the module that correspond to the intercell gaps, and the light does not meet the cell

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46

Liu, Siyang, Shuwang Yi, Peiling Qing, Weijun Li, Bin Gu, Zhicai He, and Bin Zhang. "Molecular Engineering Enhances the Charge Carriers Transport in Wide Band-Gap Polymer Donors Based Polymer Solar Cells." Molecules 25, no. 18 (September 8, 2020): 4101. http://dx.doi.org/10.3390/molecules25184101.

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Abstract (sommario):

The novel and appropriate molecular design for polymer donors are playing an important role in realizing high-efficiency and high stable polymer solar cells (PSCs). In this work, four conjugated polymers (PIDT-O, PIDTT-O, PIDT-S and PIDTT-S) with indacenodithiophene (IDT) and indacenodithieno [3,2-b]thiophene (IDTT) as the donor units, and alkoxy-substituted benzoxadiazole and benzothiadiazole derivatives as the acceptor units have been designed and synthesized. Taking advantages of the molecular engineering on polymer backbones, these four polymers showed differently photophysical and photovo

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47

Valsalakumar, Sreeram, Anurag Roy, Tapas K. Mallick, Justin Hinshelwood, and Senthilarasu Sundaram. "An Overview of Current Printing Technologies for Large-Scale Perovskite Solar Cell Development." Energies 16, no. 1 (December 24, 2022): 190. http://dx.doi.org/10.3390/en16010190.

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Abstract (sommario):

The power conversion efficiencies (PCEs) of Perovskite solar cells (PSCs) have seen significant performance improvements between 2012 and 2022. PSCs have excellent optoelectronic properties and can be built using low-cost materials. In order to compete with first-generation photovoltaic technologies, it will be necessary to scale up production. This review article explores the advancements in several scalable perovskite deposition techniques, including recent developments in the fabrication of high-quality perovskite film, their stabilities and commercialization status. Several scalable deposi

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48

Athmani, Wafa, Leila Sriti, Marwa Dabaieh, and Zohir Younsi. "The Potential of Using Passive Cooling Roof Techniques to Improve Thermal Performance and Energy Efficiency of Residential Buildings in Hot Arid Regions." Buildings 13, no. 1 (December 22, 2022): 21. http://dx.doi.org/10.3390/buildings13010021.

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Abstract (sommario):

In hot dry regions, the building envelope receives abundant solar radiation, which contributes to heat stress and indoor thermal discomfort. To mitigate overheating inside spaces, cooling is the main basic requirement during most of the year. However, due to the harsh climatic conditions, buildings fail to provide passively the required comfort conditions. Consequently, they are fully dependent on-air conditioning systems, which are huge energy consumers. As roofs are exposed to the sun throughout the daytime, they are estimated to be the main source of heat stress. In return, they can contrib

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49

Abdallah, Yomna K., and Alberto T. Estevez. "BIOACTIVE DEVICES AS SELF-SUFFICIENT SYSTEMS FOR ENERGY PRODUCTION IN ARCHITECTURE." Journal of Green Building 16, no. 2 (March 1, 2021): 3–22. http://dx.doi.org/10.3992/jgb.16.2.3.

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ABSTRACT Using bioenergy systems in architecture provides energy by means of negative emissions technologies (NETs). It plays an important role in stabilizing CO2 emissions at low levels. This depends on options of low life cycle emissions (for instance, a sustainable use of biomass residues), and on outcomes that are site-specific and rely on efficient integrated systems that convert biomass into bioenergy. The objective of this study is to develop self-sufficient systems that generate bioelectricity and offer safety, electricity generation efficiency, cost-effectiveness, waste treatment, int

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Allen, Norman S. "Book Review: Light Harvesting NanoMaterials, Bentham e-Books, ISBN: 978-1-60805-959-1; e-ISBN: 978-1-60805-958-4." Open Materials Science Journal 9, no. 1 (June 26, 2015): 49. http://dx.doi.org/10.2174/1874088x01509010049.

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Abstract (sommario):

Light Harvesting NanoMaterials, Bentham e-Books, ISBN: 978-1-60805-959-1;e- ISBN: 978-1-60805-958-4 Edited by Surya Prakash Singh The harvesting, capture and efficient conversion of solar light energy into electrical and heat energy through chemical and structural materials is now a rapid and exciting field of significant advancement and investigation in the scientific world. Many of these novel and often complex materials can attain important developments for many industrial outlets in energy transformation from solar power. This book targets a number of key newly developed nano-materials and

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