Flat-type cell
US5576117A · kind A · utility
43Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1996 |
| Grant date | Nov 19, 1996 |
| Priority date | — |
| Expiry date | Mar 6, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat-type cell comprising cup shaped positive and negative electrode cases, each having a cylindrical part with the negative electrode case being placed inside the positive electrode case with their cylindrical parts facing each other with a gasket in between, wherein the cylindrical part of the negative electrode case has its open edge folded outwardly to form U shaped section and its cylindrical part expanded outwardly, so that the inner volume of the negative electrode case is enlarged and the electrical capacity is improved with decreased self-discharge and electrolyte leakage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.