Battery including a hydrogen-absorbing cathode material
US6489056B1 · kind B1 · utility
11Cited by
31References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2000 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Feb 23, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An alkaline battery has a cathode including a hydrogen absorbing material and an anode including zinc free of lead, mercury, or cadmium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.