LASER CUTTING APPARATUS - LG ENERGY SOLUTION LTD

Title:

LASER CUTTING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2023/234570

Kind Code:

A1

Abstract:

The present invention relates to a laser cutting apparatus enabling reducing the replacement time of equipment when changing an electrode model, increasing the interval of replacement of the equipment due to deterioration, and increasing the efficiency of a process by comprising a mask jig for preventing an electrode from moving during the process. The laser cutting apparatus, according to the present invention, is for notching an electrode tab in a moving electrode sheet, the laser cutting apparatus comprising: a laser irradiator for repeatedly irradiating laser, along a predetermined path, on a notching region of an electrode sheet; a drum for moving the electrode sheet; and a mask jig for supporting the notching region by being disposed on the opposite side of the laser irradiator so as to have the notching region arranged therebetween, wherein the mask jig may be attached to/detached from the drum.

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Inventors:

LEE BYUNG HEE (KR)
KIM TAE SU (KR)
PARK DONG HYEUK (KR)
LEE SEO JUN (KR)
LEE HYO JIN (KR)
KIM GIL WOO (KR)
SEO SANG KEE (KR)
PARK JONG IN (KR)
LEE HYUK SOO (KR)
PARK JUNG HYUN (KR)
KIM WON SEOP (KR)
SONG WON GYU (KR)
NA KI BEOM (KR)
LEE HEON SEUNG (KR)
MOON HONG SEOK (KR)

Application Number:

PCT/KR2023/006073

Publication Date:

December 07, 2023

Filing Date:

May 03, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

B23K26/362; B23K26/06; B23K26/16; B23K26/38; B23K37/04; H01M4/04; H01M10/04; H01M50/533; H01M50/536; B23K101/36

Foreign References:

KR20200133942A	2020-12-01
KR102158708B1	2020-09-22
JP2021014611A	2021-02-12
JPH08155668A	1996-06-18
KR102182307B1	2020-11-24
KR102245162B1	2021-04-27
CN107160036A	2017-09-15

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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