US 12,203,005 B2
Conductive material dispersion
Hyo Sook Joo, Daejeon (KR); Houng Sik Yoo, Daejeon (KR); Dong Hyun Kim, Daejeon (KR); Il Jae Moon, Daejeon (KR); Hyeon Choi, Daejeon (KR); Woo Ha Kim, Daejeon (KR); and Sung Soo Yoon, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 18/025,783
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed May 25, 2022, PCT No. PCT/KR2022/007451
§ 371(c)(1), (2) Date Mar. 10, 2023,
PCT Pub. No. WO2022/250461, PCT Pub. Date Dec. 1, 2022.
Claims priority of application No. 10-2021-0069228 (KR), filed on May 28, 2021.
Prior Publication US 2023/0348734 A1, Nov. 2, 2023
Int. Cl. C09D 5/24 (2006.01); C09D 7/40 (2018.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/65 (2018.01); C09D 115/00 (2006.01); C09D 131/04 (2006.01); H01M 4/02 (2006.01); H01M 4/62 (2006.01)
CPC C09D 5/24 (2013.01) [C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/65 (2018.01); C09D 7/70 (2018.01); C09D 115/005 (2013.01); C09D 131/04 (2013.01); H01M 4/625 (2013.01); H01M 2004/028 (2013.01)] 17 Claims
 
1. A conductive material dispersion comprising single-walled carbon nanotubes, a dispersant, a dispersion aid, and a dispersion medium,
wherein the dispersant comprises polyvinyl butyral and hydrogenated nitrile butadiene rubber, and
wherein the dispersion aid comprises a compound represented by the following Formula 1:
A-(R)n  [Formula 1]
wherein in Formula 1, A is a structure having a carbon number of 16 to 50 and comprising four or more aromatic rings and nitrogen,
R is a structure comprising an anionic functional group, and
n is an integer of 1 to 5.