US 12,456,731 B2
Slurry composition for positive electrode for lithium secondary battery, and positive electrode and lithium secondary battery comprising same
Choonghyeon Lee, Daejeon (KR); Taek Gyoung Kim, Daejeon (KR); and Mijin Lee, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/790,053
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Oct. 8, 2021, PCT No. PCT/KR2021/013848
§ 371(c)(1), (2) Date Jun. 29, 2022,
PCT Pub. No. WO2022/080766, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 10-2020-0130788 (KR), filed on Oct. 12, 2020.
Prior Publication US 2023/0016691 A1, Jan. 19, 2023
Int. Cl. H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 4/62 (2013.01) [H01M 4/0402 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); H01M 4/38 (2013.01); H01M 4/5815 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A slurry composition for positive electrode for a lithium secondary battery, comprising:
a positive electrode active material;
an electrically conductive material;
a binder;
a thickening agent;
an additive; and
a solvent,
wherein the thickening agent comprises lithiated carboxymethyl cellulose (LiCMC), and
wherein the additive comprises LiCMC to which an aminobenzoic acid group is bonded (LiCMC-ABA).