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US 11,444,317 B2Granted
Sulfide solid electrolyte
AssigneeIdemitsu Kosan Co., Ltd.
InventorsFutoshi Utsuno, Akiko Nakata, Kota Terai, Masaru Nakagawa
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Abstract
Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 Å or less.
Claims22
A sulfide solid electrolyte, comprising:
- Lithium;
- Phosphorus;
- Sulfur;
- and
- chlorine,
- wherein a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, and the sulfide solid electrolyte has an argyrodite-type crystal structure having a lattice constant in a range of 9.750 Å to 9.820 Å.
3 more elements
Dependencies are inferred from the claim text.