Galvanic element, particularly alkaline storage battery
US4128705A · kind A · utility
6Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1977 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Jul 29, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a galvanic element which has a tendency to leak electrolyte at the lid seal, there is formed, on the metal enclosure portion which bears against the seal, a passive oxide surface layer which is not reducible at the negative electrode potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.