US 12,327,857 B2
Electrode manufacturing device
Keum Yong Park, Daejeon (KR); Jeong Soo Seol, Daejeon (KR); Hwan Han Kim, Daejeon (KR); and Jung Eun Lee, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/911,061
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Nov. 18, 2021, PCT No. PCT/KR2021/016946
§ 371(c)(1), (2) Date Sep. 12, 2022,
PCT Pub. No. WO2022/108349, PCT Pub. Date May 27, 2022.
Claims priority of application No. 10-2020-0154719 (KR), filed on Nov. 18, 2020.
Prior Publication US 2023/0108451 A1, Apr. 6, 2023
Int. Cl. B30B 3/00 (2006.01); B21B 27/02 (2006.01); H01M 4/04 (2006.01)
CPC H01M 4/0435 (2013.01) [B21B 27/02 (2013.01); B30B 3/00 (2013.01); B30B 3/005 (2013.01); B21B 2267/06 (2013.01); B21B 2267/18 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electrode manufacturing device comprising:
a pressing roll configured to apply pressure to an uncoated part of an electrode,
wherein the pressing roll comprises a central part, a first end part and a second end part,
wherein the uncoated part comprises an insulating coated part and a non-insulating coated part,
wherein the first end part is adjacent to a boundary between the insulating coated part and the non-insulating coated part,
wherein the second end part is located at a portion far away from the insulating coated part,
wherein a first outer diameter of the central part connected to the first end part is greater than a second outer diameter of the central part connected to the second end part, and
wherein the first end part and the second end part are decreased in outer diameters toward an outside from the central part.