Battery cell degassing apparatus
US10873065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2017 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Jan 6, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M10/052
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery cell degassing apparatus for degassing a battery cell having a gas pocket, which includes a chamber cover to which the battery cell is detachably mounted, a vacuum chamber coupled to the chamber cover and configured to accommodate the battery cell in a vacuum environment, the chamber cover being slidable in a horizontal direction with respect to the vacuum chamber, a piercing unit provided at the vacuum chamber to pierce a part of the gas pocket, and a pressing unit provided at the vacuum chamber to be spaced apart from the piercing unit and configured to flatten an upper surface and a lower surface of the battery cell and to discharge a gas inside the battery cell to the outside of the battery cell is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.