Battery Module And Battery Pack Including The Same

The battery module according to one embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a module frame housing the battery cell stack; and a first heat sink located at an upper part of the module frame, wherein the first heat sink includes an upper plate and a lower plate, wherein a lower plate of the first heat sink constitutes an upper cover of the module frame, and wherein the first heat sink includes a cooling flow passage having at least one partition wall formed between the upper plate and the upper cover of the module frame.