US 12,407,023 B1
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
Yoon Gyo Cho, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); Kyung Mi Lee, Daejeon (KR); Jung Min Lee, Daejeon (KR); Su Hyeon Ji, Daejeon (KR); Chul Eun Yeom, Daejeon (KR); and Jung Gu Han, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 18/994,756
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Jul. 11, 2023, PCT No. PCT/KR2023/009821
§ 371(c)(1), (2) Date Jan. 15, 2025,
PCT Pub. No. WO2024/019393, PCT Pub. Date Jan. 25, 2024.
Claims priority of application No. 10-2022-0089164 (KR), filed on Jul. 19, 2022.
Int. Cl. H01M 10/0567 (2010.01); H01M 4/38 (2006.01); H01M 4/525 (2010.01); H01M 4/583 (2010.01); H01M 10/052 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01)
CPC H01M 10/0567 (2013.01) [H01M 4/386 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 10/052 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0034 (2013.01); H01M 2300/0037 (2013.01)] 16 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 to R6 are each independently hydrogen, an alkyl group having 1 to 5 carbon atoms, or —(R′)n-C≡CH, R′ is an alkylene group having 1 to 5 carbon atoms, n is an integer of 0 to 3, and at least one of R1 to R6 is —(R′)n-C≡CH.