Alkaline storage battery and process for the production thereof
US6602640B1 · kind B1 · utility
1Cited by
3References
16Claims
0Family size
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Key dates
| Filing date | Sep 26, 2000 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Apr 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An alkaline storage battery comprising a positive electrode active material mainly composed of nickel hydroxide, characterized in that the nickel hydroxide is a higher order nickel hydroxide covered with a cobalt compound on the surface thereof or in the vicinity thereof and the higher order nickel hydroxide is provided with at least one compound selected from the group consisting of yttrium compound, erbium compound and ytterbium compound on the surface thereof or in the vicinity
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.