Renjie Chen (陈人杰)Prof. Chen is a full pro fessor, doctoral superviso of Beijing Institute o Technology. He is the d rector of Innovation Cen ter for Advanced Energ Materials and Smart Ba teries of Advanced Tech nology Research InstituteHe is currently Deputy Secretary-General of the Chinese Materials Research Society, SecretaryGeneral of Energy Conversion and Storage Materials Sub-Committee, Council Member of the Fast Ionic Conductor Sub-Committee of the Chinese Ceramic Society, Council Member of the International Academy of Electrochemical Energy Science(IAOEES), Vice Chairman of the New Chemical Materials Professional Committee of the Chemical Industry and Engineering Society of China, Expert of National Battery Industry of China Battery Industry Association, Researcher of Collaborative Innovation Center for Electric Vehicle, editorial board member of “Energy Storage and Power Battery Technology and Application” series,“Materials China” and “Journal of Electrochemistry”, etc.