Patent ID: 11923564
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method for producing a battery module, comprising:
stacking a plurality of battery cells;
disposing a plurality of bus bars adjacent to electrode leads respectively provided at the plurality of battery cells, each bus bar having a flat upper surface and an inclined surface extending from the flat surface at an angle greater than 90 degrees and less than 180 degrees;
by a welding jig, bending the electrode leads from a vertical position into an inclined position so that the electrode leads are bent into contact with the inclined surfaces of the bus bars, respectively; and
welding the electrode leads and the bus bars through an opening formed in the welding jig,
wherein the welding jig includes an inclined surface corresponding to the inclined surface of each bus bar, the opening being in the inclined surface of the jig.