BATTERY MODULE, BATTERY PACK COMPRISING SAME BATTERY MODULE, AND VEHICLE COMPRISING SAME BATTERY PACK

A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a busbar frame assembly supporting the plurality of battery cells and including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a plurality of fixing jig holes provided in top and bottom surfaces of the busbar frame assembly, and into which welding jigs for fixing the busbar frame assembly are inserted in a welding process for electrically connecting the electrode leads of the plurality of battery cells to the plurality of busbars.