Separator for lithium cells having porous and cured layers on a non-woven support
US9257725B2 · kind B2 · utility
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13References
6Claims
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Key dates
| Filing date | Jul 21, 2012 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | May 14, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an embodiment of the disclosure, a separator utilized in a lithium battery is provided. The separator includes a non-woven polyester support, a porous layer of polyvinylidene fluoride (PVDF) or its derivatives formed on the non-woven polyester support, a layer of UV-curing or thermal-curing polymers formed on top of the porous layer of polyvinylidene fluoride (PVDF) or its derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.