Seal for metal-air batteries
US4343869A · kind A · utility
70Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1981 |
| Grant date | Aug 10, 1982 |
| Priority date | — |
| Expiry date | Feb 9, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved metal-oxygen button cell having a thermoplastic sealing annular ring placed between the cathode assembly and the grommet is provided. The cell basically is comprised of the following components: a conductive metal can, a cathode assembly in the can, a conductive metal cover, an anode material in the cover, a separator between the cathode assembly and anode material, a grommet and a thermoplastic sealing annular ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.