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US 2016/0079627 A1Published application
Electrolyte for Lithium Secondary Battery and 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 an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The lithium secondary battery using the electrolyte for a lithium secondary battery according to the present invention has excellent high-temperature stability, high-temperature capacity recovery rate, low-temperature discharge capacity, and life cycle characteristics.
Claims20
An electrolyte for a lithium 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, hydroxyl, halogen, halo(C1-C10)alkyl, (C1-C10)alkyl, (C1-C10)alkoxy, (C1-C10)alkoxycarbonyl, (C3-C12)cycloalkyl, (C3-C12)heterocycloalkyl, (C6-C12)aryl, (C3-C12)heteroaryl, or (C6-C12)aryl(C1-C10)alkyl;
- and
- A is —(CR3R4)n—, n being an integer of 1 to 4).
5 more elements
Dependencies are inferred from the claim text.