Laser welding method and laser welding device for secondary battery

Disclosed is a laser welding method for a secondary battery, in which a first electrode substrate tab and a second electrode substrate tab are laser-welded onto a first electrode uncoated region of a first electrode plate and a second electrode uncoated region of a second electrode plate, respective...

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Bibliographische Detailangaben
Hauptverfasser:	Park, Myung Jun, Heo, Jin Gyu, An, Seong Bae, Ryu, Sang Hyun, Park, Hyung Bin, Jung, Hee Dong, Roh, Jae Hoon, An, Yong Gyu
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Disclosed is a laser welding method for a secondary battery, in which a first electrode substrate tab and a second electrode substrate tab are laser-welded onto a first electrode uncoated region of a first electrode plate and a second electrode uncoated region of a second electrode plate, respectively, wherein the first electrode substrate tab and the second electrode substrate tab are fusion-bonded with a laser beam so as to have a preset welding pattern at welding portions thereof.