Methods of welding a bonding connector of a contact plate to a battery cell terminal

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United States of America Patent

PATENT NO 11901531
APP PUB NO 20210288384A1
SERIAL NO

17335390

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Abstract

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Embodiments are directed to establishing a direct electrical bond between a bonding connector of a contact plate and a battery cell in a battery module. In a first embodiment, an oscillating laser is used to weld the bonding connector to a battery cell terminal over a target area over which the bonding connector makes non-flush contact. In a second embodiment, the bonding connector is flattened to reduce a gap between the bonding connector and the target area on the battery cell terminal, and then laser-welded (e.g., using an oscillating or non-oscillating laser). In a third embodiment, at least one hold-down mechanism is applied over the bonding connector to secure the bonding connector to the battery cell terminal, after which the bonding connector is laser-welded to the battery cell terminal.

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Patent Owner(s)

  • AMERICAN BATTERY SOLUTIONS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Damaske, Jörg Freiberg, DE 44 196
Eberhard, Martin Woodside, US 37 893
Eichhorn, Alexander Eppingen, DE 67 309
Fees, Heiner Bietigheim-Bissingen, DE 105 810
Maisch, Ralf Abstatt, DE 55 237
Track, Andreas Sachsenheim, DE 59 249

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