End cover assembly, battery cell, battery, power consumption device and liquid injection method
US12368201B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2021 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Feb 12, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application relates to an end cover assembly, a battery cell, a battery, a power consumption device and a liquid injection method. The end cover assembly includes an end cover, a sealing piece and a cover body, wherein the end cover is provided with a first hole for injecting electrolyte; the sealing piece is configured to seal the first hole; the cove body is configured to cover at least part of the sealing piece, the cover body is rotatable relative to the end cover to realize detachable connection between the cover body and the end cover; one of the sealing piece and the cover body is provided with a second hole, the other one of the sealing piece and the cover body is provided with a boss; the boss is inserted into the second hole, and the boss and the second hole are relatively rotatable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.