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Preparationofnano-PANI@MnO2bysurfaceinitiatedpolymerizationmethodusingasanano-tubularelectrodematerial:Theamounteffectofanilineonthemicrostructureandelectrochemicalperformance  
Preparationofnano-PANI@MnO2bysurfaceinitiatedpolymerizationmethodusingasanano-tubularelectrodematerial:Theamounteffectofanilineonthemicrostructureandelectrochemicalperformance
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关键词: Electrochemicalcapacitors  Electrodematerials  
资料大小: 1682k
所属学科: 功能高分子
来源: 来源网络
简介:
In this study,nano-polyanline and manganese oxide nanometer tubular composites(nano- PANI@MnO2) were prepared by a surface initiated polymerization method and used as electrochemical capacitorelec-trode materials ;and the effect of anilineamountonthemicrostructureandelectrochemicalperformancewasinvestigated.Themicrostructuresandsurfacemorphologiesofnano-PANI@MnO2werecharacterizedbyX-raydiffraction,scanningelectronmicroscopyandfouriertransformationinfraredspectroscope.Theelectrochemicalperformanceofthesecompositematerialswasperformedwithcyclicvoltammetry,charge–dischargetestandelectrochemicalimpedancespectroscopy,respectively.TheresultsdemonstratethatthefeedratioofanilinetoMnO2playedaveryimportantroleinconstructingthehierarchicallynano-structure,whichwould,hence,determinetheelectrochemicalperformanceofthematerials.Usingthetemplate-assistedstrategyandcontrollingthefeedratioofanilinetoMnO2,thenanometertubularstructureofnano-PANI@MnO2wasobtained.Amaximumspecificcapacitanceof386F/gwasachievedinaqueous1mol/LNaNO3electrolytewiththepotentialrangefrom0to0.6V(vs.SCE).
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