High melt integrity battery separator for lithium ion batteries
US7087343B2 · kind B2 · utility
10Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2003 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Aug 31, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The battery separator for a lithium battery is made from a nonwoven flat sheet material having high temperature melt integrity, a microporous membrane having low temperature shutdown properties, and an adhesive bonding the nonwoven flat sheet to the microporous membrane and being adapted for swelling when contacted by an electrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.