中文摘要：

综述了以聚乙二醇（Polyethylene glycol,PEG）为工作物质的复合相变材料的研究进展,重点介绍了聚乙二醇的热物性参数、聚乙二醇复合相变材料的类别、制备方法及研究现状,分析了聚乙二醇复合相变材料研究和应用中存在的问题及发展前景.

英文摘要：

Research progress of polyethylene glycol （PEG） composite phase change materials is summarized,and thermophysical parameters of polyethylene glycol,categories,preparation methods and research status of polyethylene glycol composite phase change materials are focused on.Moreover,the problems and foregrounds of polyethylene glycol composite phase change materials are proposed.