Separator for electrochemical device and electrochemical device including the same
US12412959B2 · kind B2 · utility
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Key dates
| Filing date | Mar 6, 2024 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Mar 6, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator for an electrochemical device includes a porous polymer substrate; a first coating layer provided on at least one surface of the porous polymer substrate and containing a first polymer resin of a first solubility in an electrolyte; and a second coating layer provided on the first coating layer and including a second polymer resin of a second solubility in the electrolyte, and inorganic particles, wherein the first solubility is higher than the second solubility in the electrolyte, and the separator is provided on a negative electrode containing a silicon (Si).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.