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US 12,119,448 B2Granted
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
AssigneeLG Energy Solution, Ltd.
InventorsShul Kee Kim, Young Min Lim, Ha Eun Kim
Life of this patent
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Abstract
A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, and particularly, to a non-aqueous electrolyte solution includes 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 compound represented by Formula 2.
Claims10
A non-aqueous electrolyte solution for a lithium secondary battery, the non-aqueous electrolyte solution 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 compound represented by Formula 2:
- wherein, in Formula 1,
- R1 and R2 are each independently a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and R3 is hydrogen or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms,
- wherein, in Formula 2,
- A and A′ are each independently oxygen (O), sulfur(S), or nitrogen (N),
- R4 is a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and R5 to R7 are each independently hydrogen or an alkyl group having 1 to 4 carbon atoms,
- wherein the organic solvent does not comprise propyl propionate.
9 more elements
Dependencies are inferred from the claim text.