BATTERY MODULE HAVING PAD COMPOSITE HAVING SWELLING ABSORPTION AND HEAT SHIELDING FUNCTION, BATTERY PACK COMPRISING SAME AND VEHICLE

Disclosed is a battery module, which includes a cell stack including a plurality of battery cells and at least one pad composite interposed between neighboring battery cells; and a module case configured to accommodate the cell stack, wherein the pad composite includes a pair of swelling absorption pads compressed according to a volume expansion of the battery cell caused by swelling; and a heat shielding pad interposed between the pair of swelling absorption pads to block heat transfer between the neighboring battery cells and configured to expand at a preset reference temperature or above.