Battery module

According to the present invention, a battery module (100) includes a plurality of unit battery cells (110) stacked along a first direction (X), and a pair of end plates (150) disposed along the first direction (X) at both end portions of the plurality of unit battery cells (110). A pressure control unit (160) is provided between an end plate (150) and the outermost unit battery cell (110), the pressure control unit (160) being elastically biased in the first direction (X).