APPARATUS FOR WELDING ELECTRODE TABS, METHOD FOR WELDING ELECTRODE TABS, AND SECONDARY BATTERY

The present invention relates to an apparatus for welding electrode tabs protruding from an electrode assembly to each other and includes a guide part configured to gather the electrode tabs on a predetermined gathering area, a welding part configured to weld the electrode tabs gathered by the guide part, and a bending part configured to bend the electrode assembly so that a length from the electrode assembly to the gathering area increases in at least a portion of the electrode tabs before being welded by the welding part.