Sulfide solid electrolyte for all-solid secondary battery, method of preparing the same, and all-solid secondary battery including the same
US12341154B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2022 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Sep 24, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sulfide solid electrolyte for an all-solid secondary battery includes lithium, phosphorus, sulfur, oxygen, and halogen atoms, wherein the sulfide solid electrolyte has an argyrodite-type crystal structure, the halogen atoms includes chlorine and at least two of bromine, iodine, and fluorine, an atomic ratio of sulfur to oxygen in the sulfide solid electrolyte is about 4 or higher, and an atomic ratio of chlorine to the at least two of bromine, iodine, and fluorine is about 9 or higher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.