Patent ID: 11888168
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 7:
8. A method of manufacturing a battery module, the method comprising:
manufacturing a first frame having a lower surface and opposite side surfaces;
manufacturing a second frame through a press method;
coupling the first frame to a battery cell stack;
coupling the second frame to the battery cell stack; and
coupling the first frame and the second frame,
wherein in manufacturing the second frame, forming front and rear surfaces of the second frame is further included to integrally form an upper surface and the front and rear surfaces, and at least one frame connecting part formed in the second frame is bent through the press method to form the upper surface and the front and rear surfaces of the second frame, and
wherein the at least one frame connecting part is bent in a vertical direction to vertically connect the front and rear surfaces of the second frame and the upper surface of the second frame.