US 11,964,298 B2
Slot die coating device for electrode production
Jeong Soo Seol, Daejeon (KR); Hwan Han Kim, Daejeon (KR); and Seok Ju Chang, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/920,207
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed May 4, 2021, PCT No. PCT/KR2021/005580
§ 371(c)(1), (2) Date Oct. 20, 2022,
PCT Pub. No. WO2021/241902, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 10-2020-0064320 (KR), filed on May 28, 2020.
Prior Publication US 2023/0158538 A1, May 25, 2023
Int. Cl. B05C 5/02 (2006.01); B05C 1/08 (2006.01)
CPC B05C 5/0254 (2013.01) [B05C 1/08 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A slot die coating device comprising:
a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and
a block positioned in the internal space,
wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and
wherein the block comprises a first block including a first surface facing the first inside portion and a second surface in contact with the first discharge inside portion, and wherein the block further comprises a second block facing the second inside portion.