US 12,119,450 B2
Non-aqueous electrolyte and lithium secondary battery including the same
Jeong Woo Oh, Daejeon (KR); Hyung Tae Kim, Daejeon (KR); and Chul Haeng Lee, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/614,041
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Aug. 25, 2020, PCT No. PCT/KR2020/011345
§ 371(c)(1), (2) Date Nov. 24, 2021,
PCT Pub. No. WO2021/040388, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 10-2019-0107365 (KR), filed on Aug. 30, 2019.
Prior Publication US 2022/0231339 A1, Jul. 21, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01)
CPC H01M 10/0567 (2013.01) [H01M 4/131 (2013.01); H01M 4/134 (2013.01); H01M 4/386 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01)] 10 Claims
 
1. A non-aqueous electrolyte, comprising:
an organic solvent;
a lithium salt; and
an additive,
wherein the additive comprises a compound represented by Formula I and a compound represented by Formula II

OG Complex Work Unit Chemistry
wherein, in Formula I, R1 is an alkylene group having 1 to 4 carbon atoms

OG Complex Work Unit Chemistry
wherein, in Formula II, R2, R3, and R4 are each independently a fluorine atom or a fluorine-substituted alkyl group having 1 to 10 carbon atoms, and
wherein the additive further comprises a silane-based compound.