Rechargeable battery
US11404743B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Jan 29, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery is introduced, and an exemplary embodiment of the present invention provides a rechargeable battery including: an electrode assembly configured to charge and discharge a current; a case accommodating the electrode assembly therein; a cap plate configured to seal an opening of the case; an electrode terminal electrically connected to the electrode assembly and externally drawn out through the cap plate; a first valve assembly installed in an electrolyte injection opening of the cap plate to open and close the electrolyte injection opening; a gas removal opening formed in the cap plate to remove a gas; and a second valve assembly installed in the gas removal opening to open and close the gas removal opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.