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    XIAO Changren, ZHU Shengtian, ZHANG Guoqing, YANG Xiaoqing. Application Research Progress of Functional Polymers in Phase Change Thermal Storage Materials[J]. Journal of Functional Polymers, 2021, 34(4): 336-351. doi: 10.14133/j.cnki.1008-9357.20210113001
    Citation: XIAO Changren, ZHU Shengtian, ZHANG Guoqing, YANG Xiaoqing. Application Research Progress of Functional Polymers in Phase Change Thermal Storage Materials[J]. Journal of Functional Polymers, 2021, 34(4): 336-351. doi: 10.14133/j.cnki.1008-9357.20210113001

    Application Research Progress of Functional Polymers in Phase Change Thermal Storage Materials

    • Phase change thermal storage materials (PCMs) can store/release a large amount of heat through phase transition while keeping the temperature within a constant range, so they are widely used in building energy conservation, waste heat recovery, cold-chain transportation, solar-thermal energy conversion/storage, battery thermal management, and other fields. However, conventional solid-liquid PCMs confront severe problems of leakage and shape collapse after the saturation of heat storage. The most promising ways to solve these stability problems of PCMs while guaranteeing adequate thermal storage density are to elaborately design/synthesize high adsorptive functional polymer materials as the skeletons to encapsulate PCMs or constrain phase change molecules into polymer backbones to obtain phase-changeable functional polymers. This review summarizes the application research progress of functional polymers in PCMs, taking functional polymer materials as the theme and focusing on the three aspects of functional polymer frameworks of solid-liquid PCMs, solid-solid phase change functional polymers, and their application. This article is expected to provide significant references to the design and preparation of PCM-related functional polymer materials.
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