ELECTROLYTE FOR LITHIUM BATTERIES, LITHIUM BATTERIES AND METHOD FOR PRODUCING THE SAME

摘要

An electrolyte and a lithium secondary battery containing the same are provided. The electrolyte includes a lithium salts, a solvent and an additive. The additive includes substances A, B and C, wherein substance A is vinylene carbonate, substance B includes at least one of fluorinated, chlorinated ethylene carbonate or diethylene carbonate, and substance C includes at least one of ethylene sulfite, 1,3-propanesultone and propenyl sulfite. The methods of producing the electrolyte and the lithium secondary battery are also provided.