Auricularia auricula-based Lithium-Sulfur Battery Fabrication

Auricularia auricula was obtained from Paektu Mountain in Jilin Province of China. Yeast was purchased from Changchun Hehe Biochemical Co., Ltd. Potassium hydroxide and anhydrous ethanol were purchased from Aladdin Biochemical Technology Co., Ltd. Anhydrous ethanol was purchased from China National Pharmaceutical Group Chemical Reagent Co., Ltd. Deionized water was self-made. Lithium metal sheet and conductive agent (super-P) were purchased from Wuxi Xinneng Lithium Industry Co., Ltd. Sublimated sulfur (S₈) was purchased from Aladdin Biochemical Technology Co., Ltd. LiTFSI, 1,3 dioxy cyclopentane (DOL), dimethoxyethane (DME) and lithium nitrate (LiNO₃) and N-methylpyrrolidone (NMP) were purchased from Aladdin Biochemical Technology Co., Ltd. Button type battery case (CR2032) was purchased from Shenzhen Weifeng Electronics Co., Ltd. Polyvinylidene fluoride (PVDF) was purchased from Solvay Fine Chemicals Co., Ltd. Aluminum foil (Al) was purchased from Beijing Institute of Non Ferrous Metals. Separator (Celgard 2400) was purchased from Celgard Corporation of USA. Lithium metal sheet (Li, 99.99%) was purchased from Tianjin Zhongneng Lithium Industry Co., Ltd. High purity argon (Ar, 99.99%) and nitrogen (N₂, 99.99%) were purchased form Changchun Zhongsheng Gas Co., Ltd.