Battery cell, battery pack, and vehicle comprising same

Abstract

A battery cell, a battery pack, and a vehicle including the same are disclosed, wherein a venting portion is implemented in the battery cap without a notch to reduce the internal pressure of the battery housing. A battery cell according to an embodiment of the present invention comprises: a cylindrical battery housing configured to accommodate an electrode assembly of a secondary battery and having an opening on one side; a battery cap coupled to the battery housing to cover the opening of the battery housing; and a fuse member disposed in a ring shape on the battery cap, wherein at least a portion of the ring-shaped region melts due to heat to discharge gas generated inside the battery housing.

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