Secondary battery
US10586963B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2017 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Oct 20, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to a top portion of the case. The cap assembly includes a safety vent and a cap-up. The cap-up has grooves on a surface thereof. The safety vent includes a downwardly protruding portion, is under the cap-up, and is electrically connected to the electrode assembly at the protruding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.