Rechargeable battery
US11557804B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2017 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Nov 1, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery according to an exemplary embodiment of the present invention may include an electrode assembly which can charge and discharge a current, a lead tab which is electrically connected to the electrode assembly, and a pouch case including an accommodation unit in which the electrode assembly is accommodated, and of which at least a portion of an edge side is formed to be curved, and a bonding unit which is formed to be extended from the edge side of the accommodation unit and seals the accommodation unit, wherein the bonding unit may include an upper bonding unit from which the lead tab is drawn out and a side bonding unit which is bent in a thickness direction of the accommodation unit and enables a support space to be formed between the side bonding unit and the accommodation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.