Patent ID: 11894520
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 0:
1. A non-aqueous electrolyte comprising:
a lithium salt;
an organic solvent;
a first additive; and
a second additive,
wherein the first additive is a compound represented by Formula 1; and
the second additive is a polymer comprising a repeating unit represented by Formula 2-1, Formula 2-2, and Formula 2-3:, wherein, in Formula 1,
R is a substituted or unsubstituted alkylene group having 1 to 3 carbon atoms, and
R1 to R3 are each independently H, an alkyl group having 1 to 3 carbon atoms, or a nitrile group,, wherein, in Formula 2-1 above,
R4 is any one selected from the group consisting of H, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, a halogen atom, and a nitrile group,, wherein, in Formula 2-2 above,
R4 is an alkyl group having 1 to 10 carbon atoms which is substituted with at least one nitrile group, and
R5 is any one selected from the group consisting of H, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, a halogen atom, and a nitrile group, and, wherein, in Formula 2-3 above,
Rb is an fluoroalkyl group having 1 to 10 carbon atoms, and
R6 is any one selected from the group consisting of H, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, a halogen atom, and a nitrile group.