Lithium electrochemical accumulator having a terminal directly connected to the electrochemical assembly and associated production methods
US10276888B2 · kind B2 · utility
2Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2015 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | May 4, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a lithium-ion electrochemical accumulator comprising an electrode assembly, a casing arranged to sealably contain the electrode assembly, two current output terminals each connected to one or other of the anode(s) and cathode(s) of the assembly, one of the terminals, called the first terminal, passing through a wall of the casing and being electrically insulated therefrom. According to the invention, the first terminal comprises a first conductive part passing through the casing and comprising a portion at least one region of which is welded directly to the bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.