1. School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, China
2. National Engineering Laboratory for High Efficiency Recovery of Refractory Nonferrous Metals, Changsha, Hunan 410083, China
3. Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, China
4. School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
5. School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P.R. China