High melt temperature microporous lithium-ion rechargeable battery separators and methods of preparation and use
US12431529B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Nov 2, 2020 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Nov 19, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed or provided are high melt temperature microporous Lithium-ion rechargeable battery separators, shutdown high melt temperature battery separators, battery separators, membranes, composites, and the like that preferably prevent contact between the anode and cathode when the battery is maintained at elevated temperatures for a period of time, methods of making, testing and/or using such separators, membranes, composites, and the like, and/or batteries, Lithium-ion rechargeable batteries, and the like including one or more such separators, membranes, composites, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.