CPC H01M 50/507 (2021.01) [H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/517 (2021.01); H01M 50/543 (2021.01)] | 12 Claims |
1. A battery module comprising:
a battery cell group including a plurality of battery cells stacked in one direction and coupled together;
a pair of end plates sandwiching the battery cell group from opposite sides of the battery cell group in the one direction;
a bus bar for coupling the battery cell group to a terminal for external connection; and
a fastening member for fastening the terminal to the bus bar, wherein:
an end plate of the pair of end plates has a recess adapted to partially house the fastening member in a mutually movable manner in the one direction, and
a gap is provided between an inner side wall of the recess and the fastening member along the one direction.
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