Login| Sign Up| Help| Contact|

Patent Searching and Data


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:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B05C5/02; B05C11/10; H01M4/04
Foreign References:
US5425967A1995-06-20
KR20190019827A2019-02-27
US8821960B22014-09-02
KR20160124380A2016-10-27
US7621737B22009-11-24
KR20190115337A2019-10-11
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
Download PDF: