Abstract:Electrochemical energy storage materials and technology are the keys to solve the clean energy utilization, conversion and storage. This paper elaborates the scientific research achievements in field of electrochemical energy storage materials and technology in recent years, including supercapacitors, lithium ion battery, lithium sulfur battery and their applications, especially the research progress in Laboratory of Materials for Batteries and Energy Storage Technology of Nanjing University of Aeronautics and Astronautics. Moreover, the main problems of the materials and technology for electrochemical energy storage are analyzed, and their development trends and application prospect are prospected at last.