	US 12,278,375 B2
	Lithium secondary battery electrode comprising LiOH, manufacturing method therefor, and lithium secondary battery comprising electrode
Eunkyung Cho, Daejeon (KR); and Doo Kyung Yang, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/044,653
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Sep. 17, 2019, PCT No. PCT/KR2019/011955 § 371(c)(1), (2) Date Oct. 1, 2020, PCT Pub. No. WO2020/060131, PCT Pub. Date Mar. 26, 2020.
Claims priority of application No. 10-2018-0111952 (KR), filed on Sep. 19, 2018; and application No. 10-2019-0113731 (KR), filed on Sep. 16, 2019.
Prior Publication US 2021/0098792 A1, Apr. 1, 2021
Int. Cl. H01M 4/136 (2010.01); H01M 4/04 (2006.01); H01M 4/133 (2010.01); H01M 4/1393 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01)

CPC H01M 4/628 (2013.01) [H01M 4/0404 (2013.01); H01M 4/0416 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/38 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); H01M 2004/028 (2013.01)]

3 Claims

1. An electrode for a lithium secondary battery comprising: LiOH,

wherein the electrode is a positive electrode for a lithium-sulfur battery,

wherein the positive electrode comprises a sulfur-carbon composite active material,

wherein the sulfur-carbon composite active material comprises carbon nanotubes and elemental sulfur,

wherein the carbon nanotubes and sulfur are mixed in a weight ratio of 1:1 to 1:9,

wherein the sulfur-carbon composite active material is prepared by heat-treating a mixture of LiOH-impregnated carbon nanotubes and elemental sulfur at a temperature of 120 to 200° C., and

wherein LiOH is present in an amount of 0.06 parts by weight to 0.15 parts by weight based on 100 parts by weight of active material.