BATTERY MODULE, AND BATTERY PACK AND VEHICLE WHICH COMPRISE SAME

Provided are a battery module, a battery pack including the same and a vehicle including the battery module. The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a cover in which the battery cell stack is accommodated; and a bus bar electrically connecting the plurality of battery cells; a relay comprising a connection terminal to be coupled to the bus bar; and a joint block coupled to the bus bar and the connection terminal of the relay.