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US 2019/0058216 A1Published application
Electrolyte for lithium secondary battery and lithium secondary battery including the same
AssigneeLG Chem, Ltd.
InventorsJeong Woo Oh, Kyoung Ho Ahn, Chul Haeng Lee, Jung Hoon Lee
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Abstract
The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to an electrolyte for a lithium secondary battery, which includes a lithium salt, an organic solvent, and an oligomer represented by Formula 1 described in the present specification, and a lithium secondary battery in which overall performance is improved by suppressing reactivity with lithium metal by including the electrolyte.
Claims15
An electrolyte for a lithium secondary battery, the electrolyte comprising:
- a lithium salt;
- an organic solvent;
- and
- an oligomer represented by Formula 1:
- wherein, in Formula 1,
- R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group,
- R1 to R3 are each independently a fluorine-substituted or unsubstituted alkylene group having 1 to 5 carbon atoms,
- R4 is an alkylene group having 1 to 4 carbon atoms,
- R′ is hydrogen or an alkyl group having 1 to 3 carbon atoms,
- a is 1 to 3,
- n is the number of repeating units, and
- n is an integer of 1 to 75.
9 more elements
Dependencies are inferred from the claim text.