Patent ID: 11967679
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A composition for a gel polymer electrolyte, the composition comprising a lithium salt, a non-aqueous organic solvent, a polymerization initiator, and an oligomer,
wherein the oligomer comprises at least one selected from the group consisting of oligomers represented by Formula 1 and Formula 2:, wherein, in Formula 1,, R′ and R″ are each independently an aliphatic hydrocarbon group or an aromatic hydrocarbon group,
R1 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkylene group having 4 to 20 carbon atoms, a substituted or unsubstituted arylene group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocycloalkylene group having 2 to 20 carbon atoms, —CO—O—R—, where R is an alkylene group having 1 to 10 carbon atoms, —Ro—CO—, where Ro is an alkylene group having 1 to 10 carbon atoms, or —Ri—O—R′i—, where Ri and R′i are each independently a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms,
R2 is —CO—O—R3—O—, where R3 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkylene group having 4 to 20 carbon atoms, a substituted or unsubstituted arylene group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocycloalkylene group having 2 to 20 carbon atoms, —CO—O—R—, where R is an alkylene group having 1 to 10 carbon atoms, —Rj—CO—, where Rj is an alkylene group having 1 to 10 carbon atoms, or —Rk—O—R′k—, where Rk and R′k are each independently a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, or —R4—CO—O—, where R4 is a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkylene group having 4 to 20 carbon atoms, a substituted or unsubstituted arylene group having 6 to 20 carbon atoms, or a substituted or unsubstituted heterocycloalkylene group having 2 to 20 carbon atoms),
Ra, Rb, Rc, and Rd are each independently hydrogen or an alkyl group having 1 to 3 carbon atoms,
n is an integer of 1 to 100, and
m is an integer of 1 to 100,
a and c are each independently an integer of 0 to 2, and
b and d are each independently an integer of 1 to 3:, wherein, in Formula 2,
R5, R6, R7, and R8 are each independently a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkylene group having 4 to 20 carbon atoms, a substituted or unsubstituted arylene group having 6 to 20 carbon atoms, a substituted or unsubstituted heterocycloalkylene group having 2 to 20 carbon atoms, —CO—O—Rm—, where Rm is an alkylene group having 1 to 10 carbon atoms, —Rn—CO—, where Rn is an alkylene group having 1 to 10 carbon atoms, or —R12—O—R13—, where R12 and R13 are each independently a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms,
R9, R10, and R11 are each independently an aliphatic hydrocarbon group or an aromatic hydrocarbon group,
Re, Rf, Rg, and Rh are each independently hydrogen or an alkyl group having 1 to 3 carbon atoms,
o is an integer of 1 to 100,
p is an integer of 1 to 100, and
q is an integer of 1 to 100,
a1 and c1 are each independently an integer of 0 to 2, and
b1 and d1 are each independently an integer of 1 to 3.