Method of preparing a nickel positive electrode active material
US7147676B2 · kind B2 · utility
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2References
10Claims
0Family size
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Key dates
| Filing date | Dec 8, 2005 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Dec 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nickel metal hydride storage battery having an excellent charging efficiency at high temperatures is provided by using a positive electrode comprising nickel hydroxide particles and at least one rare earth compound obtainable by treating a rare earth oxide with an aqueous alkaline solution and an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.