微胶囊相变材料的制备、光热转换性能、储能及应用综述,Solar RRL

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微胶囊相变材料的制备、光热转换性能、储能及应用综述
Solar RRL ( IF 6.0 ) Pub Date : 2023-09-12 , DOI: 10.1002/solr.202300447
K.W. Wang _{1,

2} , Ting Yan _{1,

2} , L.C. Meng _{1,

2} , W.G. Pan _{1,

2}

Affiliation

纯相变材料（PCM）容易泄漏的缺点阻碍了其实际应用，而相变材料的封装技术因其能够减少泄漏而受到青睐。将大量太阳能储量与储能技术相结合，可以提高可再生能源的利用率，拓宽微封装相变材料（MEPCM）在太阳能领域的应用。首先，本文全面阐述了MEPCM的制备技术，包括物理法、化学法和物理化学法。其次，总结了不同方法的特点。然后，阐明了MEPCM性能对其蓄热能力的影响。这项工作展示了 MEPCM 的过冷、相分离、机械性能、封装效率和光热转换性能。利用金属材料及其氧化物、碳、半导体材料对MEPCM进行改性，以提高光吸收能力。此外，MXene等二维材料已被广泛用于改善MEPCM的光热性能。最后，讨论了MEPCM在建筑、泥浆、纺织和食品工业中的应用。这项工作可以为MEPCM的光热转换性能的优化策略和实际应用提供一些有用的指导。

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A Review on Microencapsulated Phase-Change Materials: Preparation, Photothermal Conversion Performance, Energy Storage, and Application

The leakage-prone disadvantage of pure phase change materials (PCMs) has hampered their practical application, and the encapsulation technology of PCMs has been favored for its ability to mitigate leakage. Combining large solar reserves with energy storage technology can increase the utilization of renewable energy and broaden the application of microencapsulated phase change materials (MEPCMs) in the field of solar energy. First, the fabrication technologies of MEPCMs, which include physical, chemical, and physical–chemical methods, have been comprehensively elaborated in this article. Second, the characteristics of different methods are also summarized. Then, the influences of MEPCMs properties on their thermal storage capacity have been clarified. This work shows the supercooling, phase separation, mechanical properties, encapsulation efficiency, and photothermal conversion performance of MEPCMs. Modification of MEPCMs by metal materials and their oxides, carbon, and semiconductor materials to improve the light absorption capacity. In addition, two-dimensional materials such as MXene have been widely used to improve the photothermal properties of MEPCMs. Finally, the applications of MEPCMs in the construction, slurry, textile, and food industries are discussed. This work can provide some useful guidance for the optimization strategies of the photothermal conversion performance and practical applications of MEPCMs.

更新日期：2023-09-12

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