Title:
SLOT DIE COATING DEVICE COMPRISING AIR VENT
Document Type and Number:
WIPO Patent Application WO/2021/045442
Kind Code:
A1
Abstract:
The present invention relates to a slot die coating device for coating an electrode current collector with an electrode active material slurry, the slot die coating device comprising: a coating roller; at least two dies; a discharge port from which the electrode active material slurry is discharged in the opposite direction to the direction in which gravity acts; and an air vent provided in each of the dies.
Inventors:
KIM KI TAE (KR)
LEE TAEK SOO (KR)
LEE DO HYUN (KR)
KIM CHEOLWOO (KR)
CHOY SANG HOON (KR)
LEE TAEK SOO (KR)
LEE DO HYUN (KR)
KIM CHEOLWOO (KR)
CHOY SANG HOON (KR)
Application Number:
PCT/KR2020/011446
Publication Date:
March 11, 2021
Filing Date:
August 27, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B05C5/02; B05C9/12; H01M4/04
Foreign References:
| JP2003112101A | 2003-04-15 | |||
| US7621737B2 | 2009-11-24 | |||
| US5425967A | 1995-06-20 | |||
| KR20190019827A | 2019-02-27 | |||
| US9391312B2 | 2016-07-12 |
Other References:
See also references of EP 3875178A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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