Method of producing hydrogen absorbing alloy powder, and electrode using hydrogen absorbing alloy powder produced by said method
US5858571A · kind A · utility
14Cited by
3References
19Claims
0Family size
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Key dates
| Filing date | Aug 29, 1997 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Aug 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of producing a hydrogen absorbing alloy powder, which comprises a step of treating a pulverized hydrogen absorbing alloy with a solution comprising a conjugated unsaturated compound having at least 5 conjugated .pi. bonds and a molecular weight of at least 100 and, prior to the this step, optionally comprises a step of treating a pulverized hydrogen absorbing alloy with a mineral acid or alkali; and an electrode using a hydrogen absorbing alloy powder produced by the aforesaid method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.