Composite separator for lithium secondary battery, and lithium secondary battery using the composite separator
US9871242B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 23, 2015 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Nov 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite separator and a lithium secondary battery including the composite separator, and the composite separator includes a separator; a first coating layer disposed on a surface of the separator and including a (meth)acrylic polymer and/or (meth)acrylic modified polyester resin; and a second coating layer disposed on another surface of the separator and including a vinylidene fluoride-based polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.