Laminate sheet for battery cases having thickness deviation and pouch-shaped battery case manufactured using the same
US11322788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2019 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Jan 9, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed are a laminate sheet for battery cases with improved formability, the laminate sheet for battery cases including, as a preliminary recess portion configured to receive an electrode assembly, a preliminary bottom portion and a preliminary sidewall portion constituting the side surface of the preliminary recess portion, wherein a preliminary sealing portion is located at an outer edge extending from the preliminary sidewall portion, and the thickness of the preliminary sidewall portion is formed so as to be larger than the thickness of the preliminary bottom portion, a pouch-shaped battery case manufactured by forming the laminate sheet, and a battery pack including the pouch-shaped battery case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.