Non-aqueous electrolyte solution additive, and non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery which include the same
AssigneeLG Energy Solution, Ltd.
InventorsHyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
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Abstract
A non-aqueous electrolyte solution additive, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution are disclosed herein. In some embodiments, the non-aqueous electrolyte solution additive includes a Lewis base compound capable of rapidly reacting with an acid. In some embodiments, the lithium secondary battery including the non-aqueous electrolyte solution has improved high-temperature storage durability.
Claims10
A non-aqueous electrolyte solution for a lithium secondary battery, the non-aqueous electrolyte solution comprising:
- a lithium salt;
- an organic solvent;
- and a compound represented by Formula 1 as a first additive,
- wherein, in Formula 1,
- R1 to R4 are each independently hydrogen or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms.
Dependencies are inferred from the claim text.