关键词: 储热, 太阳能热发电, 熔融盐

Abstract: Thermal storage technology is the key technology of solar thermal power generation industry，and molten salt is the dominant material of the heat storage industry.The conception and type of heat storage material were introduced.The development trend of solar thermal power generation at home and abroad was summarized，and the advantages and disadvantages of the carbonate，chloride，and nitrate as heat storage materials were compared.The research progress of molten salt，the composite of molten salt and other materials，such as metal，expanded graphite，and ceramics，was reviewed，and the views of avoiding isolated research and developing composite technology in heat storage materials were put forward. 

Key words: thermal storage, solar thermal power generation, molten salt