Nickel-metal hydride storage battery and production method thereof
US7022434B2 · kind B2 · utility
2Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Jul 12, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In order to obtain a nickel-metal hydride storage battery having a long cycle life and a low self-discharge rate, in a nickel-metal hydride storage battery comprising: a positive electrode containing nickel hydroxide; a negative electrode containing a hydrogen storage alloy; a separator interposed between the positive and negative electrodes; and an electrolyte comprising an aqueous alkaline solution, a water absorbent polymer, a water repellent and an aqueous alkaline solution are added into the separator. This battery can be produced with low cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.