Battery Cell And Battery Module Comprising Same

Abstract: A battery cell according to one embodiment of the present invention comprises: a battery case in which an electrode assembly is mounted in an accommodating part, and which includes a sealing part having a structure in which the outer periphery thereof is sealed; an electrode lead which is electrically connected to an electrode tab included in the electrode assembly and which protrudes outward from the battery case through the sealing part; and a lead film positioned at a part, corresponding to the sealing part, at the top and/or the bottom of the electrode lead, wherein a gas exhaust guide part is inserted into the lead film, the battery case includes a cover part extending from the sealing part and the cover part is positioned on the lead film and can protrude outward from the battery case.

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