End cover assembly, battery cell, degassing method, battery, and electric apparatus
US11705610B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2022 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Jul 25, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This application relates to an end cover assembly, a battery cell, a degassing method, a battery, and an electric apparatus. The end cover assembly includes: an end cover plate provided with a degassing hole, where the degassing hole penetrates through the end cover plate; and a degassing apparatus mounted in the degassing hole, where the degassing apparatus includes a columnar portion, a first limiting portion, a second limiting portion, a first elastic member, and a second elastic member. The columnar portion penetrates through the degassing hole. The first limiting portion and the second limiting portion are respectively located on an outer side and an inner side of the end cover plate. The first elastic member is located between the first limiting portion and the end cover plate. The second elastic member is located between the second limiting portion and the end cover plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.