Clamping system and method for laser welding battery foils to a battery tab
US11095004B2 · kind B2 · utility
1Cited by
1References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 2, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Sep 15, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for laser welding a plurality of battery foils to a battery tab that does not include ultrasonic welding and includes clamping the plurality of battery foils and the battery tab together. Each of the plurality of battery foils has a thickness that is between 0.004 millimeters and 0.03 millimeters. The battery tab has a thickness that is between 0.1 millimeters and 0.5 millimeters. The method further includes laser welding the plurality of battery foils to the battery tab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.