Nickel-metal hydride secondary cell, and method of manufacturing the same, hydrogen absorbing alloy particles for cell, method of manufacturing the same
US5219678A · kind A · utility
27Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1990 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Sep 27, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S420/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nickel-metal hydride secondary cell, comprising a hydrogen absorbing alloy negative electrode accommodated in an enclosure and containing spherical hydrogen absorbing alloy particles covered with a free cooling surface and having an average particle diameter of 1 to 100 .mu.m, a non-sintered type nickel positive electrode disposed within the enclosure and positioned to face the negative electrode with a separator interposed therebetween, and an alkaline electrolyte poured in the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.