A battery module is disclosed. A battery module according to one embodiment of the present invention comprises: a battery cell stack having a plurality of battery cells including electrode leads, wherein the plurality of battery cells are stacked; and an ICB cover including coupled and bent electrode lead connecting bodies in which an electrode lead of one of the plurality of battery cells and an electrode lead of another battery cell neighboring the one battery cell are connected to each other, wherein the ICB cover is provided in plurality, and the plurality of ICB covers is arranged to have layers different from each other.