Method for attachment between a metal collector and a carbon felt of a battery and battery produced by the method
US10290874B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Sep 16, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Sep 16, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of attachment between a metal collector and a carbon felt of a battery includes the steps of impregnation of the pores of the carbon felt with a mixture of metal powder and of a binder, locally performed in at least one predetermined area of the carbon felt; and spot welding between the metal collector and the carbon felt impregnated with the metal powder, performed at the level of said at least one predetermined area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.