Separator and nonaqueous electrolyte battery
US9065121B2 · kind B2 · utility
3Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2012 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Aug 27, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A separator is provided. The separator includes a base layer and a surface layer, wherein the surface layer is on at least one side of the base layer, and wherein the surface layer is structured so as to collapse at time of charging to prevent damage to a negative electrode due to expansion thereof. A battery including the separator is also provided. An electric device, an electric vehicle, and an electrical storage device including the battery are further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.