Secondary battery
US4968569A · kind A · utility
5Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1990 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Jan 31, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary battery which comprises a positive-electrode material, an electrolyte solution, a negative-electrode material comprising zinc, and a negative-electrode substrate made of lead or a lead alloy. In a modification, the negative-electrode substrate is made of an electro-conductive material, with the surface thereof being coated with lead or a lead alloy. The battery is free from dendrite short-circuit and has an improved cycle life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.