Battery Module

Abstract: A battery module according to an embodiment of the present invention may comprise: a module frame; a plurality of pouch-type battery cells disposed in parallel within the module frame; and a plurality of vent holes formed through one surface of the module frame. The pouch-type battery cell comprises: a battery case including an electrode assembly having an electrode lead, a receiving part that receives the electrode assembly, a short side sealing part which is located at a portion of the circumference of the receiving part and from which the electrode lead protrudes, and a long side sealing portion located at another portion of the circumference of the receiving part and folded toward the receiving part; and a plurality of fixing members attached to the battery case to fix the long side sealing part in a folded state, and arranged to be spaced apart from each other about the longitudinal direction of the long side sealing part. Each of the vent holes may have a larger area of non-overlap with the fixing members than an area of overlap with the fixing members.

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