摘要
Novelhierarchicalporouscarbonmembraneswerefabricatedthroughasimplecarbonizationprocedureofwell-definedblendingpolymermembraneprecursorscontainingthesourceofcarbonpolyacrylonitrile(PAN)andanadditiveofpolyvinylpyrrolidone(PVP),whichwaspreparedusingphaseinversionmethod.Theas-fabricatedmaterialswerefurtherusedastheactiveelectrodematerialsforsupercapacitors.TheeffectsofPVPconcentrationinthecastingsolutiononstructurefeatureandelectrochemicalcapacitiveperformanceoftheas-preparedcarbonmembraneswerealsostudiedindetail.Astheelectrodematerialforsupercapacitor,ahighspecificcapacitanceof278.0F/gcouldbeattainedatacurrentof5mA/cm2andabout92.90%capacityretentioncouldbemaintainedafter2000charge/dischargecyclesin2mol/LKOHsolutionwithaPVPconcentrationof0.3wt%inthecastingsolution.Thefacilehierarchicalporestructurepreparationmethodandthegoodelectrochemicalcapacitiveperformancemakethepreparedcarbonmembraneparticularlypromisingforuseinsupercapacitor.
出版日期
2014年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)