Liqiang Mai is a chair professor at the State Key Lab of Advanced Technology for Materials Synthesis and Processing, the Dean for the School of Materials Science and Engineering, Wuhan University of Technology, China. His research focuses on nanomaterials and nanodevices for electrochemical energy storage.Lin Xu is a professor at the State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, China. His research focuses on electrochemical energy storage materials and devices. Wei Chen is an associate professor at the State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, China. His research focuses on functional nanomaterials and electrochemical energy storage.