Battery Module, And Battery Pack And Vehicle Comprising Battery Module

Disclosed is a battery module, which includes a plurality of battery cells having electrode leads protruding thereon, and a bus bar assembly for electrically connecting the electrode leads of the plurality of battery cells. The bus bar assembly includes a bus bar frame, a plurality of lead slots defined by the bus bar frame so that the electrode leads pass therethrough, at least one sensing bus bar disposed between the plurality of lead slots and connected to the electrode leads, and an elastic guider disposed at the rear of the at least one sensing bus bar in a front and rear direction of the bus bar frame.