| CPC H01M 50/244 (2021.01) [H01M 50/209 (2021.01); H01M 50/211 (2021.01); H01M 50/224 (2021.01); H01M 50/242 (2021.01); H01M 50/262 (2021.01); H01M 50/271 (2021.01); H01M 50/276 (2021.01)] | 14 Claims |
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1. A battery module comprising:
a battery cell stack, in which a plurality of battery cells are stacked;
a module frame configured to accommodate the battery cell stack, and having an opened front surface and an opened rear surface facing each other; and
a front end plate and a rear end plate configured to cover the front surface and the rear surface of the module frame, respectively,
wherein the module frame comprises a first bonding surface formed at edges constituting at least one of the front surface and the rear surface,
wherein at least one end plate of the front end plate and the rear end plate comprises a second bonding surface bonded to the first bonding surface, and a rib located closer to a center of the at least one end plate than the second bonding surface and protruding toward the module frame, and
wherein a thickness of the rib located at an upper edge of the at least one end plate is different from a thickness of the rib located at a lower edge of the at least one end plate.
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