US 11,916,197 B2
Electrolyte additives for secondary battery, non-aqueous electrolyte for secondary battery comprising same and secondary battery
Jeong Woo Oh, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); and Sung Guk Park, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., (KR)
Filed by LG Energy Solution, Ltd., Seoul (KR)
Filed on Mar. 24, 2022, as Appl. No. 17/702,948.
Claims priority of application No. 10-2021-0042033 (KR), filed on Mar. 31, 2021.
Prior Publication US 2022/0320583 A1, Oct. 6, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); C07D 233/60 (2006.01); H01M 10/0569 (2010.01); H01M 10/0568 (2010.01)
CPC H01M 10/0567 (2013.01) [C07D 233/60 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01)] 10 Claims
 
1. A non-aqueous electrolyte solution for a lithium secondary battery, the non-aqueous electrolyte solution comprising:
an electrolyte solution additive comprising a compound represented by Formula 1:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and
L is a direct bond, —O—, —COO—, —RO—, or —R′COO—,
wherein R and R′ are each independently an alkylene group having 1 to 10 carbon atoms.