Lithium-sulfur secondary battery
US12255331B2 · kind B2 · utility
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Key dates
| Filing date | Oct 24, 2019 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Jun 13, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium-sulfur secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte solution are provided. The positive electrode has an SC factor value of 0.45 or more. The electrolyte solution includes a solvent and a lithium salt, and the solvent includes a first solvent having a DV2 factor value of 1.7 or less, and a second solvent which is a fluorinated ether-based solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.