ULTRASONIC WELDING DEVICE AND WELDING METHOD FOR SECONDARY BATTERY

ULTRASONIC WELDING DEVICE AND WELDING METHOD FOR SECONDARY BATTERY

An ultrasonic welding device for a secondary battery, which is configured to weld an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, according to the present invention comprises: an anvil on which the overlapping surface of the electrode ta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KU, Cha Hun, LEE, Jin Yong, JUNG, Hun Bum, KIM, Jeong Yeon, HWANG, Ji Hun, CHOI, Jae Hwa, BAE, Sang Ho, JUNG, Su Taek, HAN, Chang Min, BAEK, Young Seok, KIM, Jung Joo
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELECTRICITY
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:An ultrasonic welding device for a secondary battery, which is configured to weld an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, according to the present invention comprises: an anvil on which the overlapping surface of the electrode tab and the electrode lead is disposed; a horn configured to apply ultrasonic waves to the overlapping surface of the electrode tab and the electrode lead, which is disposed on the anvil, while pressing the overlapping surface; an electrode tab measuring part configured to measure a thickness of the electrode tab disposed on the overlapping surface; and a pressure adjusting device configured to adjust a pressure applied to the overlapping surface by the anvil and the horn according to the thickness value of the electrode tab, which is measured by the electrode tab measuring part.