1. School of Metallurgy and Environment Central South University Changsha Hunan 410083 P. R. China
2. Engineering Research Center of the Ministry of Education for Advanced Battery Materials Changsha Hunan 410083 P. R. China
3. Hunan Provincial Key Laboratory of Nonferrous Value‐added Metallurgy Changsha Hunan 410083 P. R. China
4. Hunan Energy Frontiers New Materials Technology Co., LTD Changsha Hunan 410083 P. R. China