Non-aqueous secondary lithium battery
作者： Kunio Moriya , Shin-Ichi Tobishima
DOI:
关键词: Propylene carbonate 、 Vanadium 、 Electrolyte 、 Aqueous solution 、 Lithium vanadium phosphate battery 、 Chemistry 、 Lithium 、 Inorganic chemistry 、 Ethylene carbonate 、 Lithium battery
摘要: The present invention provides an electrolyte for use in a secondary lithium battery comprising (i) vanadium oxide-based cathode active material having molar ratio of oxygen to between two and three, (ii) anode selected from the group consisting lithium, ion dischargeable alloys, intercalation or insertion compounds, (iii) solution salt(s) dissolved mixed organic solvent. solvent is mixture three kinds solvents, namely ethylene carbonate (EC), propylene (PC) 2-methyltetrahydrofuran (2MeTHF) following ratio: EC (x)PC(y)2MeTHF(z) where x, y z are volumetric mixing percentages each solvent, x+y+z = 100, x 50 (or < 50). resultant has good charge-discharge cycle life safe.
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