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US 9,742,032 B2Granted
Compound and electrolyte of lithium secondary battery containing the same
AssigneeSK Innovation Co., Ltd.
InventorsJin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
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Abstract
Provided are a novel compound, an electrolyte for a lithium secondary battery containing the same, and a lithium secondary battery containing the electrolyte for a lithium secondary battery according to the present invention. The electrolyte for a secondary battery according to the present invention may have significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics.
Claims14
An electrolyte for a secondary battery comprising:
- a lithium salt;
- a non-aqueous organic solvent;
- and
- a compound represented by the following Chemical Formula 1:
- (In Chemical Formula 1,
- R1 to R4 are each independently hydrogen, cyano, halo(C1-C10)alkyl, (C1-C10)alkyl, (C 1-C10)alkoxy, or (C1-C10)alkoxycarbonyl;
- and
- A is a single bond or —(CR3R4)n—, n being an integer of 1 to 3
- wherein at least one of the R1 and R2 is (C1-C10)alkoxycarbonyl or halo(C1-C10)alkyl;
- and
- at least one of the R3 and R4 is (C1-C10)alkoxycarbonyl or halo(C1-C10)alkyl).
8 more elements
Dependencies are inferred from the claim text.