Flame-retardant separator including porous substrate with crystalline sulfonyl-containing metal salt, and electrochemical device having the same
US12237535B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Jun 21, 2021 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Oct 20, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a composite separator for an electrochemical device, and the composite separator according to the present invention includes a porous substrate and a crystalline metal salt. The composite separator may serve as a salt source to a liquid electrolyte of the electrochemical device, and additionally or independently, may have flame retardancy by the metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.