Alkaline dry battery
US7244529B2 · kind B2 · utility
4Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2002 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Jan 16, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In order to obtain an alkaline dry battery low in the possibility of electrolyte leakage and excellent in discharge performance as well as an alkaline dry battery which is not likely to cause an internal short circuit even with the use of a thin separator, as a zinc powder used is one including 65 to 75 wt % of first zinc particles having a particle size of larger than 75 μm and not larger than 425 μm, and 25 to 35 wt % of second zinc particles having a particle size of not larger than 75 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.