Title:
APPARATUS AND METHOD FOR NOTCHING ELECTRODE SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2023/033371
Kind Code:
A1
Abstract:
Disclosed are an apparatus and a method for notching an electrode substrate, wherein a punching oil-supply hole is formed in a punch, and punching oil is applied to a wall surface of the punch via the hole, thus solving the conventional problem of an electrode collector being contaminated. Also, foreign substances generated during the punching of an electrode can be discharged via the hole formed in the punch. The apparatus for notching the electrode substrate is characterized by comprising: a die member on which an electrode substrate is disposed; and a punch member provided with a punch which is above and spaced from the die member and moves vertically toward the die member, wherein the wall surface of the punch is provided with one or more punching oil-supply holes for applying punching oil to the outer surface of the punch.
Inventors:
AHN CHANG BUM (KR)
Application Number:
PCT/KR2022/011071
Publication Date:
March 09, 2023
Filing Date:
July 27, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B26F1/12; B26D7/08; B26D7/18; B26F1/14; H01M4/04; H01M10/04; H01M50/531
Foreign References:
| KR102252500B1 | 2021-05-14 | |||
| KR20120017756A | 2012-02-29 | |||
| KR200446799Y1 | 2009-12-03 | |||
| CN208787640U | 2019-04-26 | |||
| JP2007007692A | 2007-01-18 | |||
| KR20210115771A | 2021-09-27 |
Other References:
See also references of EP 4194162A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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