1. School of Metallurgy and Environment, Central South University, Changsha 410083, China
2. School of Physics and Chemistry, Hunan First Normal University, Changsha 410205, Hunan, China
3. National Engineering Research Center of Silicon-based Materials Manufacturing Technology, Luoyang 471023, China
4. China ENFI Engineering Co., Ltd., Beijing 100038, China
5. Guizhou Engineering Research Center for Carbon Materials Aluminum Electrolysis, Guiyang 550025, China