有机-无机复合相变材料的研究进展

doi:10.16085/j.issn.1000-6613.2018-0042

摘要/Abstract

摘要： 有机相变材料具有过冷度小、无相分离、蓄热强等优势，在相变储热领域一直受到广泛的关注。然而，较低的热导率、液相泄漏和较差的热稳定性成为限制其应用的瓶颈缺陷。近几年，有机-无机复合相变材料的研究成为新的热点，极大地促进了有机相变材料的应用和发展。本文综述了常见的提高有机相变材料导热性能的高导热性纳米材料，以及制备有机-无机定形复合相变材料常选用的多孔支撑材料，并从制备方法、作用方式和热物性等方面介绍了有机-无机复合相变材料，复合相变材料相比于单一纯相变材料具有诸多优越的性能。预测有关结构优化、封装工艺并与高效储能系统结合的研究会成为有机-无机复合相变材料未来的发展趋势。

关键词: 有机相变材料, 储热, 纳米材料, 多孔材料, 复合材料

Abstract: With the advantages of small supercooling degree, no phase separation and high thermal energy storage capacity, the organic phase change materials (PCMs) are given wide attention in the phase change thermal energy storage filed. However, the organic PCMs also have the defects of low thermal conductivity, liquid leakage and relatively poor thermal stability, which have significantly limited their applications. In recent years, the research of organic-inorganic composite PCMs has become a new hotspot, which tremendously facilitates the application and development of organic PCMs. In this paper, the nanomaterials with high thermal conductivity to improve the heat-conducting property of organic PCMs and the porous supporting materials to prepare organic-inorganic shape-stabilized composite PCMs are summarized. In addition, the preparation methods, interactions and thermophysical properties of organic-inorganic composite PCMs are introduced. Compared with single PCMs, the composite PCMs have many superior properties. It is predicted that the research on the structure optimization, packaging technology of organic-inorganic composite PCMs and their integration with high efficient heat storage systems will become the trend in the future.

Key words: organic phase change materials, thermal energy storage, nanomaterials, porous materials, composites

中图分类号:

TK02

何媚质, 杨鲁伟, 张振涛. 有机-无机复合相变材料的研究进展[J]. 化工进展, 2018, 37(12): 4709-4718.

HE Meizhi, YANG Luwei, ZHANG Zhentao. Research progress of organic-inorganic composite phase change materials[J]. Chemical Industry and Engineering Progress, 2018, 37(12): 4709-4718.

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