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Title:
DIE COATER FOR COATING ACTIVE MATERIAL OF SECONDARY BATTERY CURRENT COLLECTOR
Document Type and Number:
WIPO Patent Application WO/2023/191440
Kind Code:
A1
Abstract:
The disclosed invention relates to a die coater capable of effectively and simultaneously coating two different types of liquids on a current collector for a secondary battery, the die coater comprising: a lower block having a manifold accommodating an electrode slurry; an upper block coupled to the lower block and having an insulating liquid inlet; and a coater shim interposed between the upper block and the lower block, wherein, in one example, the coater shim includes: a first coater shim forming a first slit through which the electrode slurry accommodated in the manifold is discharged; and a second coater shim forming a second slit through which an insulating liquid supplied through the insulating liquid inlet is discharged, wherein the second coater shim is pressed by a fixing bolt screwed into the insulating liquid inlet.

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Inventors:
PARK JOON SUN (KR)
KIM GUK TAE (KR)
LEE TAEK SOO (KR)
KIM MAN HYEONG (KR)
CHOI MIN HYUCK (KR)
Application Number:
PCT/KR2023/004088
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B05C5/02; B05C11/10; H01M4/04
Foreign References:
KR102035826B12019-10-24
KR100921583B12009-10-14
JP2005137974A2005-06-02
KR20170126463A2017-11-17
KR20210029579A2021-03-16
KR102035826B12019-10-24
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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