Jiwei Wang received his B.Eng. degree in Materials Science and Engineering from East China University of Science and Technology in 2012, and his M.Sc. degree in the same field from Soochow University in 2015. He earned his Ph.D. in Chemistry from Western University, Canada, in 2019. He is currently a postdoctoral researcher in the Department of Mechanical and Industrial Engineering at Northeastern University, Boston, USA. His research focuses on operando X-ray diffraction to investigate reaction mechanisms in sodium-ion battery cathodes and developing advanced solid electrolytes for high-performance solid-state Li/Na batteries.