Patent ID: 7732093
Filing Date: 2010-06-08
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolyte comprising organic solvents, electrolyte saline, and mixed additives, said mixed additives comprising: at least a compound of compound group A, at least a compound of compound group B, and the compound of compound group C, wherein: compound group A are selected from inorganic saline including Li2SO4 and Li2SO3; compound group B are selected from vinylene carbonate, and propylene carbonate; and compound group C is diethyl sulfone, and wherein the weight percentages of the compounds of the mixed additives in the non-aqueous electrolyte are: compound group A: 0.1%-3.0%; compound group B: 0.5%-4.0%; and compound group C: 1.0%-5.0%.