BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

A battery module includes a battery cell stack including a plurality of battery cells stacked and arranged in a first direction; a module housing in which the battery cell stack is housed; and a deformation preventing structure disposed between the outermost battery cell of a plurality of battery cells and the module housing, wherein the module housing includes a housing plate including a space part and disposed adjacent to the outermost battery cell, the deformation preventing structure includes: a pressure plate fixed to the housing plate and supported on the battery cell stack; and a spring structure accommodated in the space part of the housing plate and disposed between the pressure plate and the housing plate. The space part is constituted by a recess portion provided on one side of the housing plate facing the battery cell stack.