Title:
APPARATUS AND METHOD FOR MANUFACTURING ELECTRODE PLATE OF SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/182656
Kind Code:
A1
Abstract:
An apparatus for manufacturing an electrode plate of a secondary battery according to an embodiment of the present invention comprises: a lower plate; an upper plate upwardly spaced apart from the lower plate; a pair of first nip rollers which adhere an electrode sheet to the upper surface of a carrier film and feed same between the lower plate and the upper plate; a pair of second nip rollers which are located behind the lower plate and the upper plate with respect to the moving direction of the carrier film and the electrode sheet and maintain the tension of the electrode sheet and the carrier film; at least one cutting mold which is provided on the bottom surface of the upper plate and cuts the electrode sheet into a preset shape; and a lift mechanism for lowering the upper plate to a height enabling the cutting mold to cut the electrode sheet but not to cut the carrier film. The cutting mold may have a closed-loop shape.
Inventors:
KIM YONGSEONG (KR)
KIM SUNGCHUL (KR)
KIM TAEAN (KR)
LEE NARA (KR)
KIM KYUNGSUB (KR)
KIM SUNGCHUL (KR)
KIM TAEAN (KR)
LEE NARA (KR)
KIM KYUNGSUB (KR)
Application Number:
PCT/KR2020/003335
Publication Date:
September 16, 2021
Filing Date:
March 10, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
B26F1/12; B26D7/26; B26D7/32; B26F1/14; B26F1/40; B65H20/02; B65H35/00; H01M4/04
Foreign References:
| KR20120065136A | 2012-06-20 | |||
| JP2012160352A | 2012-08-23 | |||
| JP2001010866A | 2001-01-16 | |||
| JP2019121536A | 2019-07-22 | |||
| US20160126596A1 | 2016-05-05 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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