Pouch type battery case, apparatus for molding the same, and pouch type secondary battery
US11682808B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2021 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Oct 6, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a pouch type battery case. The pouch type battery case include a cup part configured to accommodate an electrode assembly, which is formed by stacking electrodes and separators, therein and a plurality of die edges configured to connect an outer wall of the cup part to a side extending from the outer wall. At least one die edge includes a first area formed to be rounded with a first curvature radius and a second area formed to be rounded with a second curvature radius less than the first curvature radius.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.