US 12,224,397 B2
Capsule for lithium-sulfur secondary battery and lithium-sulfur secondary battery comprising same
Kihyun Kim, Daejeon (KR); Sangryeo Lee, Daejeon (KR); and Lucia Kim, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/636,296
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jun. 8, 2021, PCT No. PCT/KR2021/007156
§ 371(c)(1), (2) Date Feb. 17, 2022,
PCT Pub. No. WO2021/256763, PCT Pub. Date Dec. 23, 2021.
Claims priority of application No. 10-2020-0073348 (KR), filed on Jun. 17, 2020.
Prior Publication US 2022/0294002 A1, Sep. 15, 2022
Int. Cl. H01M 10/056 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01)
CPC H01M 10/056 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2300/0065 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A capsule for a lithium-sulfur secondary battery comprising:
a core comprising a material required for formation and restoration of a solid electrolyte interface layer (SEI layer); and
a shell comprising a polymer surrounding the core,
wherein the polymer is formed by crosslinking an epoxy compound having two or more epoxy groups and a crosslinking agent having two or more amino groups.