Cylindrical secondary cell and a method of its manufacture
US11664561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2022 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Apr 15, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This disclosure presents an electrode lead plate (6) for a cylindrical secondary cell (1) comprising a terminal part (4) and an electrode roll (3) comprising a conductive sheet (3a). The electrode lead plate (6) comprises an inner contact region (6c) configured to be arranged in direct electrical contact with the terminal part (4) and an outer contact region (6e) configured to be arranged in direct electrical contact with the conductive sheet (3a), wherein the inner contact region (6c) is recessed in relation to the outer contact region (6e). Further, a terminal part (4) and a cylindrical secondary cell (1), as well as uses and methods of manufacture, are presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.