BATTERY MODULE IMPROVED IN CELL COVER STRUCTURE

摘要

Disclosed is a battery module comprising: a plurality of cells having a plate-type structure; and a plurality of cell covers having a plate-type body made of a plastic material capable of housing each cell, and successively fitted to and stacked on each other, wherein a plurality of vortex forming protrusions are formed on upper and lower surfaces of the cell covers, a penetration part for an air flow is formed on side parts facing each other, and the vortex forming protrusions are arranged to be shifted in a flow path between the cell covers fitted to each other.