Cylindrical secondary battery
US8691419B2 · kind B2 · utility
8Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2009 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Feb 18, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cylindrical secondary battery having improved performance in a compression test and a collision test. The cylindrical battery including a ceramic layer coated on at least one of a cathode plate and an anode plate, and a center pin having a wall thickness of 0.05 to 0.1 mm, which is inserted into the center of an electrode assembly of the battery. The ceramic layer can have a thickness of 6.0 μm to 8.0 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.