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Articles de revues sur le sujet « Phase-change materials, thermal properties »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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1

Zmeškal, O., and L. Dohnalová. "Thermal Properties of Phase Change Materials." International Journal of Thermophysics 35, no. 9-10 (2013): 1900–1911. http://dx.doi.org/10.1007/s10765-013-1436-9.

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Liu, Tai Qi, Li Yan Yang, Fu Rui Ma, Rui Xue Liu, Yu Quan Wen, and Xiao Wu. "Preparation and Properties of Microencapsulated Phase Change Materials." Applied Mechanics and Materials 204-208 (October 2012): 4187–92. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4187.

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Microencapsulated phase change materials were prepared by the interfacial polymerization method with polyurethane resin as the shell and disodium hydrogen phosphate dodecahydrate as the core. The factors which affect the diameter distribution, surface morphology and thermal properties of microencapsules were investigated by the means of SEM, DSC and TG. The results show that the diameter distribution is uniform and the microencapsules have high compactness. The particle size is centralize with the stirring rate of 8000r/m and emulsifying time for 30 minutes. The DSC results show that the melti

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Zhang, Shi Chao, Wei Wu, Yu Feng Chen, Liu Shi Tao, Kai Fang, and Xian Kai Sun. "Preparation and Properties of Phase Change Thermal Insulation Materials." Solid State Phenomena 281 (August 2018): 131–36. http://dx.doi.org/10.4028/www.scientific.net/ssp.281.131.

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With the increase of the speed of vehicle, the thermal protection system of its powerplant requires higher insulation materials. Phase change materials can absorb large amounts of heat in short time. So the introduction of phase change materials in thermal insulation materials can achieve efficient insulation in a limited space for a short time. In this paper, a new phase change thermal insulation material was prepared by pressure molding with microporous calcium silicate as matrix and Li2CO3 as phase change material. The morphology stability, exudation and heat insulation of the materials wer

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Feng, Guohui, Tianyu Wang, Na He, and Gang Wang. "A Review of Phase Change Materials." E3S Web of Conferences 356 (2022): 01062. http://dx.doi.org/10.1051/e3sconf/202235601062.

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Phase change materials (PCMs) use latent heat of phase change to store heat, which has the advantages of high energy storage density and low-temperature fluctuation. And it can be applied to many fields such as the building envelope and the Heating Ventilation and Air Conditioning (HVAC) system. The PCM is a kind of energy storage material with great potential, which positively impacts energy conservation and indoor environment improvement. In this paper, the relevant research on PCMs in recent years is reviewed, three common classification methods of PCMs are summarized, and the phase change

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Káňa, Miroslav, and Peter Oravec. "Phase change materials for energy storage: A review." Advances in Thermal Processes and Energy Transformation 3, no. 1 (2020): 06–13. http://dx.doi.org/10.54570/atpet2020/03/01/0006.

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Phase change materials are one of the most suitable materials to effectively utilize the thermal energy from renewable energy. This review is based on the thermophysical properties of various phase change materials. In particular, the melting point, thermal energy storage density and thermal conductivity of organic, inorganic and eutectic phase change materials are the main selection criteria for various thermal energy storage applications over a wide operating temperature range.

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王, 执乾. "Preparation and Properties of Phase Change Microcapsules and Thermal Conductive Phase Change Materials." Journal of Advances in Physical Chemistry 11, no. 03 (2022): 167–71. http://dx.doi.org/10.12677/japc.2022.113019.

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Tomassetti, Sebastiano, Francesca Luzi, Pengyu Cheng, et al. "Thermal Properties of Alternative Phase Change Materials for Solar Thermal Applications." International Journal of Heat and Technology 41, no. 3 (2023): 481–88. http://dx.doi.org/10.18280/ijht.410301.

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Zhang, G. H., and C. Y. Zhao. "Thermal and rheological properties of microencapsulated phase change materials." Renewable Energy 36, no. 11 (2011): 2959–66. http://dx.doi.org/10.1016/j.renene.2011.04.002.

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Huang, Dian Wu, and Hong Mei Wang. "Phase Change Materials of Microcapsules Containing Paraffin." Advanced Materials Research 482-484 (February 2012): 1596–99. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.1596.

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In this study, phase change microcapsules were prepared by in situ polymerization using paraffin as core material, poly(MMA -co- MAA) as shell material, Tween60/span60 as emulsifier. The surface morphology, thermal properties and particle size distribution of the prepared microcapsules were investigated by using SEM, TGA, DSC and ELS. The effects of paraffin core content and amount of emulsifier on the properties of microcapsules were studied.

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Sarı, Ahmet, Alper Biçer, and Gökhan Hekimoğlu. "Effects of carbon nanotubes additive on thermal conductivity and thermal energy storage properties of a novel composite phase change material." Journal of Composite Materials 53, no. 21 (2018): 2967–80. http://dx.doi.org/10.1177/0021998318808357.

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Fatty acids are commonly preferred as phase change materials for passive solar thermoregulation due to their several advantageous latent heat thermal energy storage (LHTES) properties. However, further storage container requirement of fatty acids against leakage problem during heating period and also low thermal conductivity significantly limit their application fields. To overcome these drawbacks of capric acid–stearic acid eutectic mixture as phase change material, it was first impregnated with expanded vermiculite clay by melting/blending method and then doped with carbon nanotubes. The eff

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A. Yadav, Mahendran Samykano, A. K. Pandey, et al. "A Systematic Review on Bio-Based Phase Change Materials." International Journal of Automotive and Mechanical Engineering 20, no. 2 (2023): 10547–58. http://dx.doi.org/10.15282/ijame.20.2.2023.16.0814.

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Global warming and energy depletion are the main problems faced in recent years due to energy consumption by industries and the global population. Phase change materials (PCMs) with significant properties tend to store and release energy and fill the demand and supply gap. Most organic and inorganic PCMs are not considered environmentally eco-friendly when used for thermal energy storage (TES). Because they are formed from non-conventional energy resources, their carbon footmark and environmental effect are not ignored. To reduce problems, an urgent need for eco-friendly materials is required.

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Yang, Shu. "Preparation and Properties of Polyethylene Glycol-Based Composite Phase Change Materials." Advanced Materials Research 1004-1005 (August 2014): 546–49. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.546.

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This paper aims to improve the small temperature range and poor heat-conducting property of polyethylene glycol (PEG) in practical use. One side, two different PEGs which have different phase change temperatures are mixed, in order to wider the temperature range; another side, the thermal conductivity was improved by adding graphite into composite. The structure characteristics and thermal property of composite were measured and studied. Thermal infrared imager is used to measure the practical effect of temperature-control, by coating composite on fabrics.

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Bozorg-Grayeli, Elah, John P. Reifenberg, Matthew A. Panzer, Jeremy A. Rowlette, and Kenneth E. Goodson. "Temperature-Dependent Thermal Properties of Phase-Change Memory Electrode Materials." IEEE Electron Device Letters 32, no. 9 (2011): 1281–83. http://dx.doi.org/10.1109/led.2011.2158796.

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Erkan, Gökhan. "Enhancing The Thermal Properties of Textiles With Phase Change Materials." Research Journal of Textile and Apparel 8, no. 2 (2004): 57–64. http://dx.doi.org/10.1108/rjta-08-02-2004-b008.

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Zhang, Jianrui, Yanhui Feng, Haibo Yuan, Daili Feng, Xinxin Zhang, and Ge Wang. "Thermal properties of C17H36/MCM-41 composite phase change materials." Computational Materials Science 109 (November 2015): 300–307. http://dx.doi.org/10.1016/j.commatsci.2015.07.033.

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Avdhut, Gujar. "Investigation of Phase Change Mechanisms in Metallurgy." Research and Development in Machine Design 7, no. 3 (2024): 24–28. https://doi.org/10.5281/zenodo.14258081.

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<em>Phase changes in metals play a critical role in determining their microstructure and, consequently, their mechanical properties. This study delves into the mechanisms of phase transformation in various metallurgical processes, such as solidification, annealing, and heat treatment. Employing techniques such as differential scanning calorimetry (DSC), X-ray diffraction (XRD), and scanning electron microscopy (SEM), we analyze the transition behavior of alloys under controlled thermal cycles. The findings reveal insights into phase stability, grain refinement, and the emergence of secondary p

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Yan, Quan Ying, Li Hang Yue, Li Li Jin, Ran Huo, and Lin Zhang. "The Experimental Research on the Thermal Properties of Shape-Stabilized Phase Change Materials." Applied Mechanics and Materials 291-294 (February 2013): 1159–63. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1159.

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This paper investigated the thermal performance of shape stabilized phase change paraffin and shape-stabilized phase change fatty acid. And the PCMs are mixtures of 60% 46# paraffin and 40% liquid paraffin, 65 % 48# paraffin and 35% liquid paraffin,30%capric acid and 70% lauric acid, 30%capric acid and 70% myristic acid. Support material is high-density polyethylene. The results in this paper show that: Thermal stability of both of the two types of phase change materials are good, thermal stability of shape stabilized phase change fatty acid is better than that of paraffin. Results in this pap

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Can, Ahmet, Mehmet Emin Ergun, and İsmail Özlüsoylu. "Properties of oak wood incorporating microencapsulated phase change material." BioResources 18, no. 3 (2023): 6068–85. http://dx.doi.org/10.15376/biores.18.3.6068-6085.

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Microencapsulated phase change materials (MPCMs) incorporated into oak wood via vacuum impregnation have shown promise as thermal energy storage (TES) materials. Physical and chemical properties of MPCMs and resulting Phase Change Energy Storage Wood (PCESW) were analyzed. Scanning electron microscopy and particle size analyses revealed similar particle sizes, while X-ray diffraction (XRD) and Fourier transform infrared spectra confirmed crystal phase and chemical structure. Thermal gravimetric analysis (TGA) and differential scanning calorimetry determined thermal properties, including phase

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Noran, N. K., A. K. Pandey, Jeyraj Selvaraj, D. Buddhi, and V. V. Tyagi. "Surfactant role in nano-enhanced phase change materials." IOP Conference Series: Earth and Environmental Science 1281, no. 1 (2023): 012043. http://dx.doi.org/10.1088/1755-1315/1281/1/012043.

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Abstract Advance research in phase change materials (PCMs) has been explored as a novel thermal energy storage (TES) material. The nano-filler of high-conductive material is very promising in improving the material’s thermal properties. Because of the high surface energy of nano-filler, it coagulates quickly and is difficult to disperse in PCMs. Surfactant has been explored by researchers to prevent particle cluster agglomeration and to stabilise particle suspensions. The two-step method has been used widely in synthesising Nano enhanced PCMs (NePCMs) with surfactants. Homogeneous and uniform

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Heniegal, Ashraf Mohamed, Omar Mohamed Omar Ibrahim, Nour Bassim Frahat, and Mohamed Amin. "Thermal and Mechanical Properties of Mortar Incorporated with Phase Change Materials (PCMs)." Key Engineering Materials 921 (May 30, 2022): 259–69. http://dx.doi.org/10.4028/p-f0qyby.

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Phase change materials (PCMs) integration into cement mortar is among the new studies of interest regarding modern energy-saving techniques and developing the thermal properties in buildings. This study aims to integrate microencapsulated-PCMs (micro-PCMs) with cement mortar at 0, 5, 10, and 15% to replace natural sand for thermal properties improvement of the building envelope. In addition, the effect of using micro-PCMs on mechanical, thermal properties, and PCMs leakage problems were studied. The cement mortars incorporated with micro-PCMs were investigated by scanning electron microscopy (

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Anagnostopoulos, A., M. Elena Navarro, Zhu Jiang, and Yulong Ding. "Enhancing composite phase change material thermal performance by tuning phase change materials properties with nanoparticles." Solar Energy Materials and Solar Cells 288 (August 2025): 113615. https://doi.org/10.1016/j.solmat.2025.113615.

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Ko, Hyeyoon, Dong-Gue Kang, Minwoo Rim, et al. "Heat managing organic materials: phase change materials with high thermal conductivity and shape stability." Polymer Chemistry 13, no. 9 (2022): 1152–57. http://dx.doi.org/10.1039/d1py01318a.

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By utilizing phenylnaphthalene-based thermal conducting monomers, advanced heat managing graft polymers were developed as a smart heat managing material that has excellent heat dissipation properties and thermal energy storage capabilities.

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Tselepi, Marina, Costas Prouskas, Dimitrios G. Papageorgiou, Isaac E. Lagaris, and Georgios A. Evangelakis. "Graphene-Based Phase Change Composite Nano-Materials for Thermal Storage Applications." Energies 15, no. 3 (2022): 1192. http://dx.doi.org/10.3390/en15031192.

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We report results concerning the functionalization of graphene-based nanoplatelets for improving the thermal energy storage capacity of commonly used phase change materials (PCMs). The goal of this study was to enhance the low thermal conductivity of the PCMs, while preserving their specific and latent heats. We focused on wax-based PCMs, and we tested several types of graphene nanoparticles (GNPs) at a set of different concentrations. Both the size and shape of the GNPs were found to be important factors affecting the PCM’s thermal properties. These were evaluated using differential scanning

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Yuan, Huanmei, Sitong Liu, Tonghe Li, et al. "Review on Thermal Properties with Influence Factors of Solid–Liquid Organic Phase-Change Micro/Nanocapsules." Energies 17, no. 3 (2024): 604. http://dx.doi.org/10.3390/en17030604.

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Solid–liquid organic phase-change micro/nanocapsules are potential candidates for energy storage. Recently, significant progress has been made regarding phase-change micro/nanocapsules in terms of their synthesis, properties, and applications. Extensive research has been conducted to enhance their thermal properties, such as thermal storage capacity, thermal conductivity, and thermal reliability. However, factors that influence the thermal properties of micro/nanocapsules have received little attention. This study presents a comprehensive review of phase-change micro/nanocapsules focusing on t

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Yang, X. H., C. H. Huang, H. B. Ke, L. Chen, and P. Song. "Evaluation of thermal control performance of phase change materials for thermal shock protection of electronics." Journal of Physics: Conference Series 2045, no. 1 (2021): 012032. http://dx.doi.org/10.1088/1742-6596/2045/1/012032.

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Abstract Phase change materials have important application value in the fields of heat storage, cold storage, and thermal shock protection of electronic chips. In particular, in the field of chip thermal shock protection, phase change materials can use the solid-liquid phase change process to absorb a large amount of latent heat, thereby suppressing the temperature rise of the chip and preventing it from overheating. At present, there are mainly three types of common phase change materials: organic, inorganic and metallic phase change materials. There exists significant difference in the therm

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Abdullaev, Azim Rasulovich, Xayotbek Mansurjon O’g’li Rafiqov, and Isroiljonova Nizomjon Qizi Zulxumor. "A Review On: Analysis Of The Properties Of Thermal Insulation Materials." American Journal of Interdisciplinary Innovations and Research 03, no. 05 (2021): 27–38. http://dx.doi.org/10.37547/tajiir/volume03issue05-06.

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Clothing insulation is one of the important factors of human thermal comfort assessment. Thermal insulation is the reduction of heat transfer (i.e., the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radioactive influence. Thermal insulation can be achieved with specially engineered methods or processes, as well as with suitable object shapes and materials. Heat flow is an inevitable consequence of contact between objects of different temperature. Thermal insulation provides a region of insulation in which thermal conducti

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Radomska, Ewelina, Lukasz Mika, and Karol Sztekler. "The Impact of Additives on the Main Properties of Phase Change Materials." Energies 13, no. 12 (2020): 3064. http://dx.doi.org/10.3390/en13123064.

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The main drawback of phase change materials (PCMs) is their low thermal conductivity, which limits the possibilities of a wide range of implementations. Therefore, the researchers, as found in the literature, proposed several methods to improve the thermal conductivity of PCMs, including inserting high thermal conductivity materials in nano-, micro-, and macro-scales, as well as encapsulation of PCMs. However, these inserts impact the other properties of PCMs like latent heat, melting temperature, thermal stability, and cycling stability. Hence, this paper aims to review the available in the o

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Yoo, Sanghyun, Everson Kandare, Ghowsalya Mahendrarajah, Mariam A. Al-Maadeed, and Akbar Afaghi Khatibi. "Mechanical and thermal characterisation of multifunctional composites incorporating phase change materials." Journal of Composite Materials 51, no. 18 (2016): 2631–42. http://dx.doi.org/10.1177/0021998316673894.

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The paper reports an experimental investigation on the mechanical and thermal properties of multifunctional composite laminates integrated with microencapsulated phase change materials. The different microstructures were created by incorporating microencapsulated phase change materials in glass–epoxy composites at weight fraction between 0 and 20 wt.%. To characterise the mechanical properties, tension, compression and flexural tests were conducted. The scanning electron microscope studies were used to investigate the damage mechanisms associated with these loading conditions. Thermal storage

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Mandal, Soumen. "Advancements in Phase Change Materials: Stabilization Techniques and Applications." Prabha Materials Science Letters 3, no. 2 (2024): 254–67. http://dx.doi.org/10.33889/pmsl.2024.3.2.016.

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Phase Change Materials (PCMs) are innovative materials that absorb and release thermal energy during phase transitions, making them ideal for thermal energy storage applications. This paper provides a comprehensive overview of PCMs, focusing on their functioning mechanisms, classifications, and shape stabilization methods. PCMs operate by storing latent heat during melting and releasing it upon solidification, thereby maintaining a stable temperature during phase changes. They are classified into three main categories: organic, inorganic, and eutectic. Organic PCMs, such as paraffins and fatty

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Gu, Xiao Hua, Bao Yun Xu, Jia Liang Zhou, and Shi Wei Li. "Studies on Preparation and Properties of PEG/MMT Solid-Solid Phase Change Material." Advanced Materials Research 512-515 (May 2012): 1712–15. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.1712.

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This paper details the preparation of one kind of PEG/MMT solid-solid phase change materials. With polyethylene glycol (PEG) as the phase change materials, montmorillonite (MMT) as skeletons, through the graft copolymerization method, prepare PEG/MMT solid-solid phase change energy storage materials. The structure, the phase transition behavior and thermal stability of PEG/MMT phase change materials were analyzed and studied by infrared spectroscopy (FTIR), thermogravimetry (TG) and differential scanning calorimetry (DSC), and studied the influence of different molecular weight PEG on the capa

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Yadav, Apurv, Bidyut Barman, Abhishek Kardam, S. Shankara Narayanan, Abhishek Verma, and VK Jain. "Thermal properties of nano-graphite-embedded magnesium chloride hexahydrate phase change composites." Energy & Environment 28, no. 7 (2017): 651–60. http://dx.doi.org/10.1177/0958305x17721475.

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Phase change materials can provide large heat storage density with low volume. But their low thermal conductivity limits their heat transfer capabilities. Since carbonaceous nanoparticles have a good thermal conductivity they can be applied as an additive to phase change materials to increase their heat transfer rate. In this study, nano-graphite is used as an additive and the influences of its various concentrations on the thermal conductivity and melting and freezing rate for the nanoparticle-enhanced phase change materials is experimentally investigated. Experimental results indicates a red

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Kahwaji, Samer, and Mary Anne White. "Edible Oils as Practical Phase Change Materials for Thermal Energy Storage." Applied Sciences 9, no. 8 (2019): 1627. http://dx.doi.org/10.3390/app9081627.

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Edible oils could provide more accessible alternatives to other phase change materials (PCMs) for consumers who wish to build a thermal energy storage (TES) system with sustainable materials. Edible oils have good shelf life, can be acquired easily from local stores and can be less expensive than other PCMs. In this work, we explore whether margarine, vegetable shortening, and coconut oil are feasible PCMs, by investigations of their thermal properties and thermal stability. We found that margarine and vegetable shortening are not useful for TES due to their low latent heat of fusion, ΔfusH, a

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Liao, Xiao Hua, Hai Feng Shi, Nan Song, and Xing Xiang Zhang. "Fabrication of Thermochromatic Microencapsulated Phase Change Materials." Advanced Materials Research 332-334 (September 2011): 1856–59. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.1856.

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Microencapsulated n-octadecane (MicroC18) and doped with thermochromatic powders (TC-MicroC18) were prepared with melamine-formaldehyde (M-F) resin as the wall via in-situ polymerization. The chemical structure and thermal behavior of microcapsules were investigated using fourier transform infrared spectroscopy (FTIR), and differential scanning calorimetry (DSC). Experimental results show that 63 wt% n-C18 has been incorporated into microcapsules, and the obvious thermochromatic effect of TC-MicroC18 is displayed with temperature changing. The structure-properties of TC-MicroC18 also is discus

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Przybek, Agnieszka, Michał Łach, Paulina Romańska, Justyna Ciemnicka, Karol Prałat, and Artur Koper. "Geopolymer Concretes with Organic Phase Change Materials—Analysis of Thermal Properties and Microstructure." Materials 18, no. 11 (2025): 2557. https://doi.org/10.3390/ma18112557.

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Geopolymer concretes, synthesized from industrial by-products such as fly ash through alkaline activation, have attracted considerable attention due to their favorable thermal and microstructural properties. Incorporating phase change materials (PCMs) into geopolymer matrices can improve thermal properties, making them suitable for various sustainable construction applications. The thermal properties of geopolymer concrete depend on the composition and structure of the materials used. Adding PCMs to geopolymer concrete can significantly improve its thermal properties by increasing its heat sto

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Paprota, Natalia, Magdalena Szumera, and Kinga Pielichowska. "The Impact of Boron Nitride Additive on Thermal and Thermochromic Properties of Organic Thermochromic Phase Change Materials." Materials 17, no. 15 (2024): 3632. http://dx.doi.org/10.3390/ma17153632.

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Thermochromic phase change materials (TPCMs) are gaining increasing interest among scientists. These multifunctional materials can store thermal energy but also, at the same time, during the phase transition, they can change colour. Thermal conductivity is also extremely important for this type of material, which is why various additives are used for this purpose. This work aimed to study the properties of thermochromic phase change materials with an inorganic modifier. Stearic acid, behenyl alcohol, and bromocresol purple were used as thermochromic system components, while boron nitride parti

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Rmili, Yosra, Khadim Ndiaye, Lionel Plancher, Zine El Abidine Tahar, Annelise Cousture, and Yannick Melinge. "Properties and Durability of Cementitious Composites Incorporating Solid-Solid Phase Change Materials." Applied Sciences 14, no. 5 (2024): 2040. http://dx.doi.org/10.3390/app14052040.

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This paper investigates the properties and durability of cementitious composites incorporating solid-solid phase change materials (SS-PCM), an innovative heat storage material. Mortars with varying SS-PCM contents (0%, 5%, 10%, 15%) were formulated and characterized for rheological, structural, mechanical, and thermal properties. Durability assessment focused on volume stability (shrinkage), chemical stability (carbonation), and mechanical stability (over thermal cycles). Mortars with SS-PCM exhibited significant porosity and decreased mechanical strength with higher SS-PCM content. However, t

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Pereira, José, Ana Moita, and António Moreira. "An Overview of the Nano-Enhanced Phase Change Materials for Energy Harvesting and Conversion." Molecules 28, no. 15 (2023): 5763. http://dx.doi.org/10.3390/molecules28155763.

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This review offers a critical survey of the published studies concerning nano-enhanced phase change materials to be applied in energy harvesting and conversion. Also, the main thermophysical characteristics of nano-enhanced phase change materials are discussed in detail. In addition, we carried out an analysis of the thermophysical properties of these types of materials as well as of some specific characteristics like the phase change duration and the phase change temperature. Moreover, the fundamental improving techniques for the phase change materials for solar thermal applications are descr

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Wang, Xiuli, Qingmeng Wang, Xiaomin Cheng, Yi Yang, Xiaolan Chen, and Qianju Cheng. "Enhanced Heat Transfer of 1-Octadecanol Phase-Change Materials Using Carbon Nanotubes." Molecules 30, no. 15 (2025): 3075. https://doi.org/10.3390/molecules30153075.

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Solid–liquid phase-change materials (PCMs) have attracted considerable attention in heat energy storage due to their appropriate phase-transition temperatures and high thermal storage density. The primary issues that need to be addressed in the wide application of traditional PCMs are easy leakage during solid–liquid phase transitions, low thermal conductivity, and poor energy conversion function. The heat transfer properties of PCMs can be improved by compounding with carbon materials. Carbon nanotubes (CNTs) are widely used in PCMs for heat storage because of their high thermal conductivity,

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Larciprete, Maria Cristina, Stefano Paoloni, Gianmario Cesarini, Concita Sibilia, Vitalija Rubežienė, and Audrone Sankauskaitė. "Thermo-regulating properties of textiles with incorporated microencapsulated Phase Change Materials." MRS Advances 5, no. 18-19 (2020): 1023–28. http://dx.doi.org/10.1557/adv.2020.106.

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ABSTRACTPhase change materials (PCMs) are getting increasing interest due to their capacity to absorb, store and release heat energy. Their effectiveness is characterized by quantities of absorbed/released heat energy, expressed as enthalpy. Specifically, the larger is the enthalpy, the more efficient thermoregulation effect is achieved. With this in mind, PCMs can be used in the manufacture of thermally regulated clothing in order to minimize heat strain and simultaneously improve thermal comfort. Moreover, such materials also modify their infrared radiation emission during phase transition,

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Wełnic, Wojciech, Johannes A. Kalb, Daniel Wamwangi, Christoph Steimer, and Matthias Wuttig. "Phase change materials: From structures to kinetics." Journal of Materials Research 22, no. 9 (2007): 2368–75. http://dx.doi.org/10.1557/jmr.2007.0301.

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Phase change materials possess a unique combination of properties, which includes a pronounced property contrast between the amorphous and crystalline state, i.e., high electrical and optical contrast. In particular, the latter observation is indicative of a considerable structural difference between the amorphous and crystalline state, which furthermore is characterized by a very high vacancy concentration unknown from common semiconductors. Through the use of ab initio calculations, this work shows how the electric and optical contrast is correlated with structural differences between the cr

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Janumala, Emeema, Murali Govindarajan, Venkateswara Bomma Reddi, and Sivakandhan Chinnasamy. "Investigations on phase change materials for enhancement of thermal conductivity." Thermal Science, no. 00 (2021): 219. http://dx.doi.org/10.2298/tsci201113219j.

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Experimental work has been undertaken to improve the thermal conductivity of the Phase Change Material (PCM), Paraffin Wax (PW) by adding Alumina and Copper particles in increased mass fractions to elevate thermal energy storage efficiency. Composite PCMs of PW-Alumina and PW-Copper with 5%,10% and 15% mass fractions were prepared by sonication. Morphology of microstructures of PW and composite PCMs were examined using Scanning Electron Microscope (SEM). Thermophysical properties were measured using Standard testing methods. Latent heat and Specific heat were recorded with Differential Scannin

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Lin, Saw Chun, and Hussain H. Al-Kayiem. "Thermal Reliability of Paraffin Wax Phase Change Material for Thermal Energy Storage." Applied Mechanics and Materials 699 (November 2014): 263–68. http://dx.doi.org/10.4028/www.scientific.net/amm.699.263.

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Phase change materials (PCMs) as thermal energy storage medium are proven to be effective to enhance the performance of solar thermal system. The degradation of the thermal properties due to thermal cycles is changeable and accordingly the performance of the solar thermal cycle may decline. In this study, the thermal reliability of paraffin wax was investigated to analyse the ability to be used as thermal energy storage (TES) for solar water heating purposes that subjected to many phase change cycles. The mixtures were subjected to 400 phase change cycles and the thermal properties were measur

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Pop, Lucian-Cristian, Mihaela Baibarac, Ion Anghel, and Lucian Baia. "Gypsum Composite Boards Incorporating Phase Change Materials: A Review." Journal of Nanoscience and Nanotechnology 21, no. 4 (2021): 2269–77. http://dx.doi.org/10.1166/jnn.2021.18957.

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The purpose of this review is to provide an overview of the available gypsum based composite including various phase change materials employed to increase the thermal energy storage capacity of building materials. A wide range of materials such as n-alkane, saturated fatty acid, fatty acid esters etc are used as phase change materials. Adding carbonaceous material (carbon nanofibers, activated nanocarbon, graphite nanosheets etc.) to augment some properties is also a common practice. In addition, there are presented the methods of obtaining the nano/macro-composites together with some thermal

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Hammes, Nathalia, Claver Pinheiro, Iran Rocha Segundo, et al. "Coaxial Fibres Incorporated with Phase Change Materials for Thermoregulation Applications." Applied Sciences 14, no. 6 (2024): 2473. http://dx.doi.org/10.3390/app14062473.

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Nowadays, the growing concern about improving thermal comfort in different structures (textiles, buildings, and pavements, among others) has stimulated research into phase change materials (PCMs). The direct incorporation of PCMs into composite materials can cause mechanical impacts. Therefore, this study focuses on the design of phase change coaxial fibres (PCFs), using commercial cellulose acetate (CA) or recycled CA obtained from cotton fabrics (CAt) as the sheath and polyethylene glycol (PEG) 2000 as the core, via the wet spinning method; the fibres vary in molecular weight, concentration

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Mahran, S. Hijazeen, and K. Murtadha Talib. "Energy management in residential building using phase change materials." Algerian Journal of Materials Chemistry 4, no. 2 (2021): 81–90. https://doi.org/10.5281/zenodo.5572819.

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This study aimed to calculate the heat losses from the building through walls, windows, and waste energy in boiler flue gases, where the problem of this study is to reduce the heat loss through the building using phase change materials and to extract the waste energy from boiler flue gas and store it in phase change materials as a thermal mass storage. The study revealed a group of results among which by adding a new layer from phase change material to the wall, it behaves as a thermal insulation due to low thermal conductivity and contributed to reduce heat loss through walls by (72%). In the

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Min, Kyung-Eun, Jae-Won Jang, Jun-Ki Kim, Chien Wern, and Sung Yi. "Thermophysical Properties of Inorganic Phase-Change Materials Based on MnCl2·4H2O." Applied Sciences 12, no. 13 (2022): 6338. http://dx.doi.org/10.3390/app12136338.

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Manganese (II) chloride tetrahydrate, classified as an inorganic phase-change material (PCM), can be used as a thermal energy storage material, saving and releasing thermal energy during its phase transitions. In this study, thermophysical properties, such as phase change temperatures, latent heat, and thermal conductivities, of four types of MnCl2·4H2O PCMs were investigated under single and dual phases (liquid-, solid-, and dual-phase PCMs) using differential scanning calorimetry (DSC) and a heat flow meter. PCMs with a liquid or dual phases exhibited superheating issues, and their melting t

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Ma, Yanhong, Yue Li, Qifei Xie, Xianhao Min, and Xinzhong Wang. "Investigations on preparations and thermal properties of microencapsulated phase change materials." IOP Conference Series: Earth and Environmental Science 295 (July 25, 2019): 032093. http://dx.doi.org/10.1088/1755-1315/295/3/032093.

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Rao, Z. H., S. H. Wang, Y. L. Zhang, G. Q. Zhang, and J. Y. Zhang. "Thermal Properties of Paraffin/Nano-AlN Phase Change Energy Storage Materials." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 36, no. 20 (2014): 2281–86. http://dx.doi.org/10.1080/15567036.2011.590869.

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İnce, Şeyma, Yoldas Seki, Mehmet Akif Ezan, Alpaslan Turgut, and Aytunc Erek. "Thermal properties of myristic acid/graphite nanoplates composite phase change materials." Renewable Energy 75 (March 2015): 243–48. http://dx.doi.org/10.1016/j.renene.2014.09.053.

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Xie, Jingchao, Yue Li, Weilun Wang, Song Pan, Na Cui, and Jiaping Liu. "Comments on Thermal Physical Properties Testing Methods of Phase Change Materials." Advances in Mechanical Engineering 5 (January 2013): 695762. http://dx.doi.org/10.1155/2013/695762.

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