Patent ID: 11967736
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G  Y | IPC H

Claim 0:
1. A battery module comprising:
a cell assembly provided with a plurality of secondary batteries mutually stacked in a left to right direction, each of the plurality of secondary batteries having an electrode lead protruding in a front and back direction;
a bus bar assembly provided with a bus bar frame located on a front side or a rear side of the cell assembly, the bus bar frame having a plate-shaped body portion, and a bus bar mounted on an outer surface of the bus bar frame, the bus bar having a conductive metal to electrically connect the electrode leads of the plurality of secondary batteries to each other;
an inner cover provided with a plate portion located on an outer side of the cell assembly, the inner cover formed with a first chamfer on an outer peripheral portion of a front edge of the inner cover, the first chamfer extending to a top surface of the inner cover, and a coupling portion coupled to a first end portion of the body portion of the bus bar frame on a part of the outer peripheral portion of the plate portion;
a module housing having a tube shape with a top wall, a bottom wall and sidewalls, a first open end and a second open end; and
a second chamfer formed in the top wall at the first open end, the second chamfer extending to a bottom surface of the top wall.