Rechargeable battery having current collector plate with protrusion
US8557430B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 22, 2010 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Jun 22, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery including an electrode assembly including first and second electrode plates, each of which includes an electrode uncoated portion and a separator interposed between the first and second electrode plates, and at least one current collector plate, each current collector plate contacting one of the electrode uncoated portions of the first and second electrode plates, wherein each current collector plate includes a protrusion protruding toward the electrode assembly and having a contact portion contacting one of the electrode uncoated portions, and a slit in the contact portion disposed at a predetermined angle with respect to the direction of the electrode assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.