BATTERY PACK, ENERGY STORAGE SYSTEM AND VEHICLE COMPRISING BATTERY PACK

A battery pack with improved safety is provided according to an embodiment of the present disclosure. The battery pack according to an embodiment of the present disclosure includes a battery module having at least one battery cell; and a thermal runaway suppression unit mounted to one side of the battery module and configured to form a positive pressure inside the battery module when an abnormal situation occurs in any one battery cell.