%0 Journal Article %T ApplicationofFilm-formingAdditivesforIonicLiquidBasedElectrolyte %A 孙敏倩 %A 胡志强 %A 蔡迎军 %A 董陶 %A 吕兴梅 %J 过程工程学报 %D 2012 %X N-methyl-N-propylpiperidiniumbis(trifluoromethanesulfonyl)imidewassynthesizedfortheapplicationinionicliquidbasedelectrolytesinlithiumionbattery,10%vinylenecarbonate(VC)and10%1,3-propanesultone(PS)wereaddedtotheelectrolytesystemrespectivelyasadditivestoimprovethepropertyofsolidelectrolyteinterfaceandcyclicperformance.Theresultsofcyclicvoltammetryshowedthathomogenousandcompactsolidelectrolyteinterfacefilmformedongraphiteelectrodewhichwasdetectedbyobservingthemorphologyofcycledgraphiteanode.CharginganddischargingperformanceofLiFePO4/Lihalfcellwastestedintheelectrolytewithorwithoutadditives.Theinitialspecificdischargingcapacitieswereincreasedto129.4and123.0mA×h/gbytheadditionofVCandPS,respectively,comparedwiththatofadditive-freeelectrolyte.Thedischargingretentionswere88.9%and84.6%inelectrolytecontainingVCandPSafter10cycles. %K vinylenecarbonate %K 1 %K 3-propanesultone %K N-methyl-N-propylpiperidiniumbis(trifluoromethanesulfonyl)imide %K solidelectrolyteinterface %U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=16635