Title:
TAB FORMING DEVICE FOR JELLY-ROLL TYPE ELECTRODE ASSEMBLY, AND FORMING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/085828
Kind Code:
A1
Abstract:
The present invention relates to a forming device for bending, in a radial direction, an electrode tab portion exposed to an axial end of a jelly-roll type electrode assembly, and to a forming method therefor. The forming device may comprise a forming jig for bending the electrode tab, and a flattening jig for further flattening the bent electrode tab. The forming jig comprises a preforming circumferential surface and a bending guide surface. The preforming circumferential surface has a shape of which the inner diameter increases from the proximal end toward the distal end extending in a pressing direction. The bending guide surface is connected to the proximal end of the preforming circumferential surface and extends radially inward.
Inventors:
LEE SOONO (KR)
CHOI KYUHYUN (KR)
KONG JINHAK (KR)
LEE JE JUN (KR)
LIM JAE WON (KR)
CHOI KYUHYUN (KR)
KONG JINHAK (KR)
LEE JE JUN (KR)
LIM JAE WON (KR)
Application Number:
PCT/KR2022/017692
Publication Date:
May 19, 2023
Filing Date:
November 11, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/531; B21D1/02; B21D22/02; B30B11/04; H01M50/538
Foreign References:
| KR100599710B1 | 2006-07-12 | |||
| CN210754535U | 2020-06-16 | |||
| JP2001118562A | 2001-04-27 | |||
| JP2006310254A | 2006-11-09 | |||
| JP2000040502A | 2000-02-08 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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