Pouch-type battery case and pouch type secondary battery
US12244023B2 · kind B2 · utility
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39Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 19, 2021 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Aug 19, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pouch-type battery case according to an embodiment of the present invention can include a cup part configured to accommodate an electrode assembly of stacked electrodes and separators. The cup part comprises a plurality of outer walls forming a periphery of the cup part, and a plurality of die edges connecting the plurality of outer walls to a side or degassing part. At least one of the die edges can be rounded to define a curvature radius of 1 mm or less. The cup part can have a depth of 6.5 mm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.