1. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
2. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, P. R. China
3. Research Institute of Chemical Defense, Beijing 100191, P. R. China
4. Huzhou Kunlun Power Battery Materials Company, Ltd., Huzhou 313000, P. R. China
5. Department of Energy Engineering, Hanyang University, Seoul 133-791, Republic of Korea
6. Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia