Separator for starved electrolyte lead/acid battery
US4233379A · kind A · utility
20Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1979 |
| Grant date | Nov 11, 1980 |
| Priority date | — |
| Expiry date | May 17, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Compositions and papers made therefrom useful as separator materials in starved electrolyte lead/acid batteries are described. The compositions comprise a mixture of 30% to 80% by weight of perlite and 20% to 70% by weight of glass fibers. The glass fibers have diameters in the range of from 0.3 to 1.0 micrometers while the perlite has particle sizes in the range of from about 3 to about 100 micrometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.