Sealed alkaline secondary battery
US5069990A · kind A · utility
10Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1989 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Oct 10, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sealed alkaline secondary battery with a cadmium negative electrode employs a micro-porous separator having circular or elliptic pores, to thereby eliminate the occurrence of internal short-circuiting and to improve the oxygen gas absorption ability of the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.