US 11,728,513 B2
Elecrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery, and lithium secondary battery including electrolyte
Harim Lee, Yongin-si (KR); Younghye Kang, Yongin-si (KR); Aeran Kim, Yongin-si (KR); Hyejin Park, Yongin-si (KR); Myungheui Woo, Yongin-si (KR); Duckjae You, Yongin-si (KR); Taejin Lee, Yongin-si (KR); Jinhyeok Lim, Yongin-si (KR); Wonseok Cho, Yongin-si (KR); Olga Tsay, Yongin-si (KR); Hyunbong Choi, Yongin-si (KR); and Pavel Shatunov, Yongin-si (KR)
Assigned to SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed on Apr. 24, 2020, as Appl. No. 16/857,307.
Claims priority of application No. 10-2019-0049300 (KR), filed on Apr. 26, 2019.
Prior Publication US 2020/0343589 A1, Oct. 29, 2020
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 4/505 (2010.01); C07F 7/10 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01)
CPC H01M 10/0567 (2013.01) [C07F 7/10 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/004 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electrolyte for a lithium secondary battery, the electrolyte comprising:
a lithium salt;
a non-aqueous organic solvent; and
an additive, the additive including a compound represented by Formula 1 below:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R1 to R6 are each independently a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxyalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, or a substituted or unsubstituted C2-C30 heteroaryl group;
R7 and R8 are each independently hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxyalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, or a substituted or unsubstituted C2-C30 heteroaryl group; and
R9 to R11 are each independently hydrogen, fluorine, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxyalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, or a substituted or unsubstituted C2-C30 heteroaryl group.