BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and end plates arranged on both sides of the battery cell stack. At least one of the module frame and the end plate is formed with a venting part that discharges gas in one direction. The opening/closing of the venting part are adjusted according to the pressure rise inside the module frame.