1. School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China
2. Beijing Huairou Laboratory, Beijing 101400, China
3. Beijing Key Laboratory of Microstructure and Property of Solids, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China
4. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
5. Beijing Swift New Energy Co. LTD., Beijing 100124, China