US 11,682,794 B2
Additive, non-aqueous electrolyte for lithium secondary battery including the same, and lithium secondary battery including the non-aqueous electrolyte
Sung Hoon Yu, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); and Yoo Sun Kang, Daejeon (KR)
Assigned to LG Energy Solution, Ltd.
Appl. No. 16/610,637
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Nov. 20, 2018, PCT No. PCT/KR2018/014277
§ 371(c)(1), (2) Date Nov. 4, 2019,
PCT Pub. No. WO2019/103434, PCT Pub. Date May 31, 2019.
Claims priority of application No. 10-2017-0155471 (KR), filed on Nov. 21, 2017.
Prior Publication US 2020/0058960 A1, Feb. 20, 2020
Int. Cl. H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); C07F 9/09 (2006.01); C07F 9/14 (2006.01)
CPC H01M 10/0567 (2013.01) [C07F 9/091 (2013.01); C07F 9/14 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0037 (2013.01)] 6 Claims
 
1. An additive comprising at least one compound selected from the group consisting of the compounds represented by the following Formula 1 and Formula 2:

OG Complex Work Unit Chemistry
in Formula 1 and Formula 2,
R1 is hydrogen or a halogen group,
R4 is hydrogen, a halogen group, a substituted or unsubstituted alkyl group of 1 to 5 carbon atoms or a substituted or unsubstituted alkoxy group of 1 to 5 carbon atoms,
R2 and R5 are each independently hydrogen, a halogen group, an unsubstituted alkyl group of 1 to 5 carbon atoms or a substituted alkoxy group of 1 to 5 carbon atoms,
R3 and R6 are each independently a substituted or unsubstituted alkylene group of 1 to 5 carbon atoms,
n1 and n3 are each independently an integer of 0 or 1,
n2 is an integer of 1 to 2, and
A is carbon or oxygen.