Coated separator with compressible elasticity, thermal shutdown and high temperature resistance
US10084169B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 1, 2011 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Feb 13, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium ion battery separator consists of a PE micro-porous substrate A and a micro-porous coating B which is located on the substrate A and formed of mixing pre-crosslinked rubber particles and ceramic fine powder composite materials. The separator has characteristics of good compressible elasticity, thermal shutdown, low heat shrinkage, high temperature membrane rupture resistance and so on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.