相变蓄热技术在建筑节能领域应用广泛,回顾了近年来相变储热材料应用于建筑围护结构的研究进展,介绍了目前围护结构用相变材料(PCMs)的筛选和优化方向,系统地阐述了PCMs应用于建筑围护结构的研究现状,分析了影响不同形式相变围护结构性能的因素,最后指出无机PCMs及其复合材料在围护结构中的应用会成为研究者未来关注的热点;建立相变围护结构的热学、力学性能综合评价指标,有利于PCMs与建筑材料的混合应用;同时掺入PCMs导致建筑材料力学性能降低的问题也有待进一步研究,旨在为相变围护结构在我国建筑节能领域的发展和应用提供参考。
Phase change thermal storage technology is widely used in the field of building energy conservation.This paper reviewed the research progress of phase change thermal storage materials applied to building envelope in the recent years,introduced the screening and optimization direction of the phase change materials (PCMs) for building envelope,systematically expounded the research status of PCMs applied to building envelope,and analyzed the factors affecting the structural performance of different forms of PCMs building envelope.Finally,it pointed out that the application of inorganic PCMs and their composite materials in envelope would become the focus for researchers in the future.The establishment of comprehensive evaluation index of thermal and mechanical properties of phase change envelope was beneficial to the hybrid application of PCMs and building materials.At the same time,the degradation of mechanical properties of building materials caused by the incorporation of PCMs needed to be further studied.Our aim was to provide references for the development and application of phase change envelope in the field of building energy conservation in China.
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基金资助
国家自然科学基金(51666015);内蒙古自治区科技成果转化项目(CGZH2018150);内蒙古自治区自然科学基金(2022MS050353);内蒙古自治区直属高校基本科研业务费项目
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