Sulfide-based solid electrolyte for lithium ion batteries
AssigneeMitsui Mining & Smelting Co., Ltd.
InventorsNorihiko Miyashita, Takashi Chikumoto, Hideaki Matsushima, Kenji Matsuzaki
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Abstract
Proposed is a new sulfide-based solid electrolyte for lithium ion batteries, the sulfide-based solid electrolyte relating to a compound that has a cubic argyrodite type crystal structure and is represented by Li7-x-2yPS6-x-yClx, and having excellent water resistance and oxidation resistance. Proposed is a sulfide-based solid electrolyte for lithium ion batteries, the sulfide-based solid electrolyte containing a compound that has a cubic argyrodite type crystal structure and is represented by compositional formula (1): Li7-x-2yPS6-x-yClx, in which compositional formula, conditions: 0.8≦x≦1.7 and 0<y≦−0.25x+0.5 are satisfied.
Claims15
A sulfide-based solid electrolyte for lithium ion batteries comprising a compound having a cubic argyrodite type crystal structure, wherein the compound is represented by compositional formula (1):
- Li7-x-2yPS6-x-yClx, and in the compositional formula (1), conditions:
- 0.8≦x≦1.7 and 0<y≦−0.25x+0.5 are satisfied.
Dependencies are inferred from the claim text.