US 12,438,192 B2
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
Yu Ha An, Daejeon (KR); Hyun Seung Kim, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); and Jeong Woo Oh, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/632,047
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Sep. 9, 2020, PCT No. PCT/KR2020/012170
§ 371(c)(1), (2) Date Feb. 1, 2022,
PCT Pub. No. WO2021/049872, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 10-2019-0112753 (KR), filed on Sep. 11, 2019.
Prior Publication US 2022/0278369 A1, Sep. 1, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 2300/0025 (2013.01)] 11 Claims
 
1. A non-aqueous electrolyte solution for a lithium secondary battery, the non-aqueous electrolyte solution comprising:
a lithium salt;
an organic solvent; and
a first additive,
wherein the first additive is a compound represented by Formula 1:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R1 and R3 are each independently a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms,
R2 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, and
R4 and R5 are each independently a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms.