Poly(alkylene oxide) siloxane-based electrolytes for rechargeable batteries
US11769905B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 7, 2017 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Nov 22, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrochemical device includes a cathode including elemental selenium, elemental sulfur, or selenium-sulfur containing composite; a negative electrode; a separator; and an electrolyte including a poly(alkyleneoxide) siloxane; and a salt; wherein a concentration of the salt in the electrolyte is sufficient to minimize dissolution of polysulfides/polyselenides formed during cycling of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.