BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING SAME

The present invention relates to a battery module, and a battery pack and a vehicle comprising the same. A battery module according to an embodiment of the present invention comprises: one or a plurality of unit modules; and a module case having an accommodation space in which a plurality of unit modules are placed, wherein the unit module comprises: a plurality of battery cells which are configured in a tubular unit case can-shaped secondary battery type having a hollow, arranged in the hollow of the unit case, arranged in parallel in one direction along the length direction, and electrically connected to each other; and an electrode lead having a cathode lead located on one side of the unit module and an anode lead located on the other side of the unit module.