Battery cell, cover assembly, battery, electricity-consuming apparatus, method and device of manufacturing battery cell
US12155084B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2024 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Feb 14, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery cell, a cover assembly, a battery, an electricity-consuming apparatus, a method and a device of manufacturing the battery cell are provided by the present application. The battery cell includes an electrode assembly; a casing accommodating the electrode assembly, in which the casing includes a wall portion, the wall portion includes a stepped hole, the stepped hole includes a first hole segment, a second hole segment and a first stepped face; a sealing member, in which a first sealing interface is formed between the sealing member and the first stepped face, the first sealing interface surrounds the first hole segment, and the sealing member includes a ventilating hole communicating with the first hole segment; a gas-ventilating film including a body and a convex portion, in which the body covers the ventilating hole, a second sealing interface is formed between the body and the sealing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.