Shichang Cai is a lecturer and master supervisor at the School of Material Science and Engineering, Henan University of Technology. He holds a B.S. from Henan University of Science and Technology, and an M.S. and a Ph.D. from Wuhan University of Technology. His main research directions are the structural design and performance optimization of proton exchange membrane fuel cells and metal–air battery catalyst layer units; the structural design of lithium–sulfur battery electrode materials and battery assembly testing; and the preparation of highly conductive and highly anti-oxidative micro–nano metal powders.