Hydrogen absorbing alloy for electrode, hydrogen absorbing alloy electrode and alkaline storage battery
US6579645B2 · kind B2 · utility
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2References
21Claims
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Key dates
| Filing date | Mar 27, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Apr 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a hydrogen absorbing alloy electrode employed as a negative electrode of an alkaline storage battery, a covering layer containing at least one of metal elected from nickel and cobalt, and carbon particles is formed on a surface of the hydrogen absorbing alloy electrode or hydrogen absorbing alloy particles used in the hydrogen absorbing alloy electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.