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

Claim 10:
11. 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 having an inclined surface corresponding to the inclined surface of each bus bar, simultaneously pressing the electrode leads 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 in the inclined surface of the welding jig,
wherein the number of stacked battery cells is three or more.