US 11,705,576 B2
Method for producing solid electrolyte
Hiroaki Yamada, Chiba (JP); and Takeshi Makino, Chiba (JP)
Assigned to IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Appl. No. 16/494,113
Filed by IDEMITSU KOSAN CO., LTD., Tokyo (JP)
PCT Filed Mar. 12, 2018, PCT No. PCT/JP2018/009470
§ 371(c)(1), (2) Date Sep. 13, 2019,
PCT Pub. No. WO2018/168754, PCT Pub. Date Sep. 20, 2018.
Claims priority of application No. 2017-048933 (JP), filed on Mar. 14, 2017.
Prior Publication US 2020/0373612 A1, Nov. 26, 2020
Int. Cl. H01M 4/02 (2006.01); H01M 10/0562 (2010.01); C03C 10/00 (2006.01)
CPC H01M 10/0562 (2013.01) [C03C 10/00 (2013.01); C03C 2204/00 (2013.01); H01M 2300/0068 (2013.01)] 13 Claims
 
1. A method for producing a sulfide-based solid electrolyte containing an alkali metal, a sulfur element, a phosphorus element and a halogen element, comprising performing a reaction of an alkali metal sulfide and a substance containing at least one element of a sulfur element, a phosphorus element and a halogen element in an organic solvent having an electron-withdrawing group and a benzene ring, and wherein the electron-withdrawing group is at least one selected from the group comprising a halogen element-containing group, a nitrogen element-containing group, and an oxygen element-containing group.