Abstract:Promoting the healthy development of energy storage technology and industry has great strategic significance on increasing the proportion of renewable energy, ensuring energy security, improving energy efficiency, and promoting the energy revolution. As one of the most important technologies, physical energy storage technology has received extensive attention. In this study, the major needs of physical energy storage technology are analyzed, and the development status and trends of five types of physical energy storage technologies and industry are summarized. Then the development problems and challenges of these physical energy storage technologies are confirmed, and corresponding recommendations are put forward. The study aims at providing a detailed reference for the research and development of physical energy storage technology and industry in China.