BATTERY PACK, MANUFACTURING METHOD OF BATTERY PACK, AND VEHICLE

A battery pack that reduces the possibility of chain ignition and the degradation of space efficiency is provided by preventing side rupture of the battery cell and securing structural rigidity within the battery module. A battery pack of the present disclosure includes a pack case; a battery cell assembly including a plurality of battery cells accommodated in the pack case; a resin layer filling a relatively lower portion of the space between the plurality of battery cells; and an inorganic film filling a relatively upper portion of the space between the plurality of battery cells.