Secondary battery with ion-exchange porous membrane
US4824743A · kind A · utility
4Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1986 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Oct 24, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ion-exchange porous, secondary battery separation membrane produced by mixing a high molecular compound matrix material, an ion exchange material, and a pore forming material, kneading the materials, forming the kneaded materials in the form of a membrane, and extracting the pore forming material from the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.