BATTERY MODULE HAVING IMPROVED ELECTRODE LEAD CONNECTION STRUCTURE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

A battery module according to an embodiment of the present disclosure includes: a cell stack including a plurality of battery cells each including a pair of electrode leads; a fastening bar frame including a pair of lead slits through which electrode leads of adjacent battery cells are drawn out; and a fastening bar including an insertion slit through which a pair of electrode leads passing through the pair of adjacent lead slits pass, the fastening bar being coupled to the fastening bar frame.