Separator for gel electrolyte battery
US6322923A · kind A · utility
85Cited by
16References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery separator for a gel electrolyte battery includes a microporous membrane; and an adherent coating thereon, or a gel-forming coating thereon, the gel-forming coating including a gel-forming polymer and a plasticizer. The gel-forming polymer is preferably a poly(vinylidene fluoride:hexafluoropropylene) copolymer, and the plasticizer is preferably an ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.