| 摘要 |
PROBLEM TO BE SOLVED: To provide a sulfide-based solid electrolyte for a lithium ion secondary battery, capable of reducing deterioration in battery performance during charging/discharging.SOLUTION: The solid electrolyte for a lithium ion secondary battery is synthesized from at least LiS and one or more sulfides selected from PS, PS, SiS, GeS, BS, and AlS, has an elemental sulfur component content of 1 wt.% or less, and contains an organic solvent. |
