Rechargeable battery
US10741820B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Dec 26, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery includes an electrode assembly and first and second lead tabs. The electrode assembly includes at least one separator between a first electrode and a second electrode. The first and second lead tabs are respectively connected to the first and second electrodes and are drawn out of a case. The electrode assembly includes a first assembly having a first length in a first direction and a second assembly having a second length in the first direction shorter than the first length. The first assembly includes at least one first uncoated tab protruding from the first electrode and connected to the first lead tab, and at least one second uncoated tab protruding from the second electrode and connected to the second lead tab. The second assembly includes the at least one second uncoated tab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.