Rechargeable battery
US10044008B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2015 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Feb 23, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to aspects of embodiments of the present invention, a secondary battery includes: an electrode assembly including: a first electrode plate; a second electrode plate; and a separator between the first electrode plate and the second electrode plate; a can comprising an opening formed on an end of the can to accommodate the electrode assembly; and a cap plate configured to seal the opening of the can, the cap plate including: a first surface; a second surface parallel to the first surface; a third surface coupling the first and second surfaces and having a constant height; and a chamfer at a portion of the first surface which contacts the third surface, wherein the chamfer has a varying tilt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.