Battery separator and lithium secondary battery
US7595130B2 · kind B2 · utility
43Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2004 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Nov 28, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A separator is disclosed which enables to inject a non-aqueous electrolytic solution easily during production of batteries such as lithium ion secondary batteries and also enables to produce a battery which is excellent in various battery performances.The battery separator comprises a long porous film in which plural non-porous linear regions are arranged in a width direction of the film, at least one surface of the linear regions being a concave or convex surface is advantageously used as a battery separator for lithium secondary batteries or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.