Battery module and battery pack and vehicle with it

Abstract

Battery pack (1000) comprising: several battery modules (100); and a pack housing (200) in which the several battery modules (100) are accommodated, the pack housing (200) comprising a left side frame (230), a right side frame (240), a base plate (210) coupled to a lower section of each of the left side frame (230) and the right side frame (240), a top plate (220) coupled to an upper section of each of the left side frame (230) and the right side frame (240), a front cover (250) forming a front wall of the pack housing (200), and a rear cover (260) forming a rear wall, and wherein a gas outlet passage is provided in each of the left side frame (230) and the right side frame (240).