Non-aqueous electrolyte of silicon-based anode lithium ion battery
A non-aqueous electrolyte, lithium-ion battery technology, applied in the field of lithium-ion batteries, can solve the problems of conductive agent peeling, poor high temperature performance, membrane structure rupture, etc., and achieve the effects of reducing consumption, improving cycle performance and increasing elasticity
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[0022] Example 1
[0023] Prepare silicon-based negative lithium ion non-aqueous electrolyte in a BRAUN glove box. The glove box is filled with nitrogen with a purity of 99.999%. The moisture in the glove box is less than 5 ppm. The temperature is room temperature. The electrolyte ratio is: ethylene carbonate ( EC), ethyl methyl carbonate and diethyl carbonate are mixed at a mass ratio of 1:1:1 and then 1mol / L lithium hexafluorophosphate (LiPF 6 ), and then add 5% fluoroethylene carbonate, 1% tetra(dimethylvinylsiloxy) silane and 1% lithium bisfluorosulfonimide based on the total electrolyte mass.
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