COATING DIE INCLUDING DOUBLE SLIT, AND ELECTRODE ACTIVE MATERIAL COATING APPARATUS USING SAME

Title:

COATING DIE INCLUDING DOUBLE SLIT, AND ELECTRODE ACTIVE MATERIAL COATING APPARATUS USING SAME

Document Type and Number:

WIPO Patent Application WO/2021/054645

Kind Code:

A1

Abstract:

The present invention relates to a double slit coating die, and an electrode active material coating apparatus comprising same, the double slit coating die comprising first to fourth blocks which are positioned sequentially adjacent to each other, and having a structure in which the positions of the first and second blocks can move in a direction tilted at an angle θ with respect to the interface between the second and third blocks. The present invention has the effects of preventing slip surfaces between blocks constituting the die from spreading apart, and reducing offset in a coating process.

Inventors:

KIM KI TAE (KR)
LEE DO HYUN (KR)
LEE TAEK SOO (KR)
KIM CHEOL WOO (KR)
JO YOUNG JOON (KR)
CHOY SANG HOON (KR)

Application Number:

PCT/KR2020/011606

Publication Date:

March 25, 2021

Filing Date:

August 31, 2020

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

B05C5/02; B05C11/10; H01M4/04

Foreign References:

US5425967A	1995-06-20
KR20190019827A	2019-02-27
US8821960B2	2014-09-02
KR20160124380A	2016-10-27
US7621737B2	2009-11-24
KR20190115337A	2019-10-11

Other References: