1. School of Metallurgy and Environment Central South University Changsha 410083 China
2. Engineering Research Centre of Advanced Battery Materials Ministry of Education Changsha 410083 China
3. Hunan Provincial Key Laboratory of Nonferrous Value‐added Metallurgy Changsha 410083 China
4. National Key Laboratory of Energy Metal Resources and New Materials Changsha 410083 China
5. Hunan Energy Frontiers New Materials Technology Co., Ltd Changsha 410208 China