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公开(公告)号：US20210399278A1
公开(公告)日：2021-12-23
申请号：US17285984
申请日：2020-10-06
Applicant: LG CHEM, LTD.
Inventor： Taek Soo LEE , Sang Hoon CHOY , Ki Tae KIM , Cheol Woo KIM , Young Joon JO
Abstract: The present invention relates to an electrode slurry coating device and method, wherein the heights of first and second slot die heads for discharging active material can be controlled according to time to improve process efficiency and reduce defect rates when forming an active material layer having a double layer structure.
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