ARC WELDING DEVICE FOR SECONDARY BATTERY, AND WELDING METHOD USING SAME

Title:

ARC WELDING DEVICE FOR SECONDARY BATTERY, AND WELDING METHOD USING SAME

Document Type and Number:

WIPO Patent Application WO/2022/177289

Kind Code:

A1

Abstract:

An arc welding device for a secondary battery according to an embodiment of the present invention comprises: an upper fixing part which is connected to one electrode of a welding power source and at which multiple welding electrode parts are arranged; and a lower fixing part disposed to face the upper fixing part while an object to be welded is located between the upper fixing part and the lower fixing part, the lower fixing part being connected to the other electrode of the welding power source, wherein the upper fixing part includes a first facing surface which faces the object to be welded and is concavely formed toward the object to be welded, and the lower fixing part includes a second facing surface which faces the first facing surface and is convexly formed to correspond to the concave shape of the first facing surface.

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Inventors:

PARK JUNG HYUN (KR)
KIM TAE SU (KR)
LEE BEOM SEOK (KR)
LEE HYUK SOO (KR)

Application Number:

PCT/KR2022/002288

Publication Date:

August 25, 2022

Filing Date:

February 16, 2022

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

B23K9/10; B23K9/09; B23K9/16; B23K101/18; B23K101/36

Foreign References:

JPH0688132B2	1994-11-09
KR20130042954A	2013-04-29
CN106141387A	2016-11-23
KR20190077757A	2019-07-04
JP2007061830A	2007-03-15

Other References: