Secondary battery
US9118061B2 · kind B2 · utility
4Cited by
2References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 2, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Dec 28, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery, including a housing defining an interior space, the housing including a safety vent, the safety vent having a concave shape such that a central portion of the safety vent protrudes toward the space, a region of the safety vent that protrudes farthest toward the space being about midway between peripheral edges of the safety vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.