US 12,237,467 B2
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
Hyun Seung Kim, Daejeon (KR); Yu Ha An, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); and Jeong Woo Oh, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/607,566
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Aug. 21, 2020, PCT No. PCT/KR2020/011162
§ 371(c)(1), (2) Date Oct. 29, 2021,
PCT Pub. No. WO2021/034141, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10-2019-0102521 (KR), filed on Aug. 21, 2019.
Prior Publication US 2022/0223911 A1, Jul. 14, 2022
Int. Cl. H01M 10/0567 (2010.01); C07D 233/60 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 10/0567 (2013.01) [C07D 233/60 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0025 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A non-aqueous electrolyte solution for a lithium secondary battery, the non-aqueous electrolyte solution comprising:
a lithium salt;
an organic solvent;
a compound represented by the following Formula 1a as a first additive; and
lithium difluorophosphate as a second additive,
wherein a weight ratio of the first additive to the second additive is in a range of 1:2 to 1:10

OG Complex Work Unit Chemistry