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1、JournalofPowerSources241(2013)231e238ContentslistsavailableatSciVerseScienceDirectJournalofPowerSourcesjournalhomepage:www.elsevier.com/locate/jpowsourSynthesisofhierarchicalsulfonatedgraphene/MnO2/polyanilineternarycompositeanditsimprovedelectrochemicalperformanceGuangxiangWang,
2、QianqiuTang,HuaBao,XingweiLi,GengchaoWang*KeyLaboratoryforUltrafineMaterialsofMinistryofEducation,ShanghaiKeyLaboratoryofAdvancedPolymericMaterials,SchoolofMaterialsScienceandEngineering,EastChinaUniversityofScienceandTechnology,P.O.Box289,130MeilongRd.,Shanghai200237,PRChinahighl
3、ightsTheMnO2/PANInanoparticleswith5e10nmwereuniformlydepositedontosulfonatedgraphenenanosheets.TernarycompositeshowshighelectricalconductivityandsurfaceareacomparedtoMnO2/PANI.Ternarycompositeexhibitssuperiorratecapabilityandexcellentcyclingstability.articleinfoabstractArticle
4、history:Anovelternarycompositeofsulfonatedgraphene/MnO2/polyaniline(sGMOPANI)issynthesizedviaaReceived23January2013dilutein-situpolymerizationmethodusingpotassiumpermanganateasoxidantunderneutralcondition.ReceivedinrevisedformTheFE-SEMandHRTEMimagesshowthatMnO2/polyanilinenanopar
5、ticleswiththediameterof58April2013e10nmdepositontosulfonatedgraphenenanosheets.SpectralanalysisrevealstheexistenceoftheAccepted25April2013hydrogenbondandpepinteractionbetweenMnO2/polyanilinenanoparticlesandsulfonatedgraphene.Availableonline2May2013Asaresult,thesGMOPANIcompositeba
6、sedonthetwo-electrodecellshowsimprovedelectrochemicalcapacitance(276Fg1at1g1in1MNaSO),betterratecapability(73%capacitanceretentionfrom0.2Keywords:241to20Ag),andhighercyclingstability(11.7%capacitancelossafter3000cycles)comparedtotheSupercapacitorManganesedioxideMnO2/polyanilin
7、ebinarycomposite.GrapheneÓ2013ElsevierB.V.Allrightsreserved.PolyanilineElectrochemicalperformance1.IntroductionInordertoimprovetheenergyperformanceofsupercapacitors,mostofworksarefocusedonsearchinginnovativeelectrodeWithincreasedsustainableenergyproductionfromsolarandmaterials,in
8、cludingcarbonaceousmaterials[7e9],conduc
