Secondary battery including plural electrode units with tabs smaller than end face of electrode unit, and battery module including the same
US11233297B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Nov 29, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.