US 12,009,480 B2
Metal-sulfur battery
Yonghong Deng, Guangdong (CN); Bing Han, Guangdong (CN); and Yinglin Xiao, Guangdong (CN)
Assigned to SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/281,280
Filed by SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Sep. 29, 2019, PCT No. PCT/CN2019/108833
§ 371(c)(1), (2) Date Mar. 30, 2021,
PCT Pub. No. WO2020/063938, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 201811158211.2 (CN), filed on Sep. 30, 2018; and application No. 201811159714.1 (CN), filed on Sep. 30, 2018.
Prior Publication US 2022/0006123 A1, Jan. 6, 2022
Int. Cl. H01M 10/0568 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0568 (2013.01) [H01M 4/364 (2013.01); H01M 4/381 (2013.01); H01M 4/382 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0034 (2013.01); H01M 2300/0037 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A metal-sulfur battery, comprising a positive electrode material, a negative electrode material and an electrolyte, the positive electrode material comprises one of elemental sulfur or S-based compound; the electrolyte comprises a solvent and an electrolyte salt; and the electrolyte salt comprises one or more salts represented by structural formulas 1-3:

OG Complex Work Unit Chemistry
wherein, R1 is selected from S or Se; R2 is selected from C, Si, Ge or Sn; M1 is selected from N, B, P, As, Sb or Bi; M2 is selected from Li, Na, K, Ru, Cs, Fr, Al, Mg, Zn, Be, Ca, Sr, Ba or Ra; R3 is selected from an unsaturated carbon chain containing 1-4 carbons with part or all of hydrogen substituted by a halogen element or a halogenated hydrocarbyl group.