Separator for rechargeable battery and rechargeable lithium battery including the same
US10840493B2 · kind B2 · utility
2Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Oct 6, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a separator for a rechargeable battery including a porous substrate and a heat resistance layer on at least one surface of the porous substrate, wherein the heat resistance layer includes an acryl-based heat resistance binder, a water-soluble binder, and a filler, and the acryl-based heat resistance binder includes a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit and a sulfonate group-containing structural unit, and a rechargeable lithium battery including the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.