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 |
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:
![]() 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.
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