This paperhas introduced the classes and characters of phas e Change materials.The applications of phase change materials have been disc ussed mainly in solar, electric.

• 本文系统地介绍了相变材料分类及其特点,主要讨论了相变材料在太阳能、电力、工业热能、建筑物、纺织品等工业与民用方面的应用。