SECONDARY BATTERY, AND ULTRASONIC WELDING DEVICE AND WELDING METHOD FOR SECONDARY BATTERY

• Main Authors: 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
• Language: English; French; Korean
• Published: 20.01.2022
• Subjects: 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

The present invention comprises: an anvil provided such that the surface on which an electrode tab and an electrode lead provided in an electrode assembly overlap each other is disposed thereon; a horn provided to weld the overlapping surface disposed on the anvil; and an inspection member for inspecting the degree of horizontality of an opposite member with respect to the overlapping surface on the basis of an overlapping surface horizontal value which is a horizontal value of the overlapping surface with respect to a predetermined reference surface, and an opposite horizontal value which is a horizontal value, with respect to the reference surface, of the opposite member which is one of a welding part of the horn facing the overlapping surface and a placement part of the anvil on which the overlapping surface is disposed. La présente invention comprend : une enclume disposée de telle sorte que la surface sur laquelle une languette d'électrode et un câble d'électrode disposés dans un ensemble d'électrodes se chevauchent est disposée sur ladite enclume ; une sonotrode prévue pour souder la surface de chevauchement disposée sur l'enclume ; et un élément d'inspection pour inspecter le degré d'horizontalité d'un élément opposé relativement à la surface de chevauchement sur la base d'une valeur horizontale de surface de chevauchement qui est une valeur horizontale de la surface de chevauchement relativement à une surface de référence prédéfinie, et d'une valeur horizontale opposée qui est une valeur horizontale, relativement à la surface de référence, de l'élément opposé qui est un élément parmi une partie de soudage de la sonotrode faisant face à la surface de chevauchement et une partie de placement de l'enclume sur laquelle la surface de chevauchement est disposée. 본 발명은 전극조립체에 구비된 전극탭과 전극리드의 겹친면이 배치되게 마련되는 앤빌; 상기 앤빌에 배치된 상기 겹친면을 용접하게 마련되는 혼; 및 소정의 기준면에 대한 상기 겹친면의 수평값인 겹친면 수평값과, 상기 겹친면을 향하는 상기 혼의 용접부 및 상기 겹친면이 배치되는 상기 앤빌의 배치부 중 어느 하나인 대향부재의 상기 기준면에 대한 수평값인 대향 수평값에 기초해서, 상기 겹친면에 대한 상기 대향부재의 수평 정도를 검사하는 검사부재를 포함한다.