Battery cell, battery pack containing the same, automobile, and method for manufacturing the same

Abstract

The present invention relates to a battery cell capable of preventing damage due to welding heat, a battery pack containing the same, an automobile, and a method for manufacturing the same. The present invention provides a battery cell comprising a can having an open end on one side, an electrode assembly housed inside the can, a current collector plate electrically connected to the electrode assembly, a cap covering the open end, and a welded portion to which the can and the cap are joined by welding, wherein the can comprises a beading portion pressed inward along the periphery near the open end on the side of the can, and a crimping portion bent inward along the periphery of the open end on the side of the can, wrapping around and securing the periphery of the cap. The present invention provides a battery cell, a battery pack containing the same, an automobile, and a method for manufacturing the same.

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