1. School of Materials and Energy
2. University of Electronic Science and Technology of China
3. Chengdu 611731
4. P. R. China
5. Beijing National Laboratory for Condensed Matter Physics
6. Institute of Physics
7. Chinese Academy of Sciences
8. Beijing 100190
9. School of Mechanical and Automotive Engineering
10. Shanghai University of Engineering Science
11. Shanghai 201620
12. Research and Development Center
13. Tianqi Lithium Co., Ltd.
14. Chengdu 610093