US 12,451,569 B2
Device for impact welding of battery terminals
Wayne Cai, Troy, MI (US); Teresa Jean Rinker, Royal Oak, MI (US); Jennifer Therese Bracey, Holly, MI (US); and Shunyi Zhang, Troy, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Jan. 28, 2022, as Appl. No. 17/587,126.
Prior Publication US 2023/0246315 A1, Aug. 3, 2023
Int. Cl. H01M 50/566 (2021.01); B23K 11/00 (2006.01); B23K 101/36 (2006.01)
CPC H01M 50/566 (2021.01) [B23K 11/0026 (2013.01); B23K 2101/36 (2018.08)] 14 Claims
OG exemplary drawing
 
1. A device for magnetic welding of battery boils comprising:
a coil holder; where the coil holder comprises one or more electrical coils that are operative to be activated by an electrical current;
a foil holding fixture; wherein the foil holding fixture comprises a plurality of arms; wherein each pair of adjacent arms is operative to move towards one another to crimp a plurality of battery foils; and
an anvil; wherein the anvil is operative to support a battery tab and the battery foils.