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1、SupercapacitorsAnOverviewoftheApplicationsofGraphene-BasedMaterialsinSupercapacitorsYiHuang,JiajieLiang,andYongshengChen*FromtheContents1.Introduction..........................2Duetotheirunique2Dstructureandoutstandingintrinsicphysicalproperties,suchasextr
2、aordinarilyhigh2.PreparationofGraphene-BasedMaterialselectricalconductivityandlargesurfacearea,graphene-usedforSupercapacitorElectrodes......3basedmaterialsexhibitgreatpotentialforapplication3.Graphene-BasedEDLCs:...............3insupercapacitors.Inthisrev
3、iew,theprogressmadesofarfortheirapplicationsinsupercapacitorsisreviewed,4.Graphene-ConductingPolymer-Composite-includingelectrochemicaldouble-layercapacitors,BasedPseudo-capacitors.............16pseudo-capacitors,andasymmetricsupercapacitors.5.Pseudo-capac
4、itorsBasedonGrapheneComparedwithtraditionalelectrodematerials,graphene-(MetalOxide)Composites.............20basedmaterialsshowsomenovelcharacteristicsandmechanismsintheprocessofenergystorageand6.Graphene-BasedAsymmetricSupercapacitors......................
5、.............25release.Severalkeyissuesforimprovingthestructureofgraphene-basedmaterialsandforachievingbetter7.ConclusionandOutlook..............27capacitorperformance,alongwiththecurrentoutlookforthefield,arealsodiscussed.small2012,©2012Wiley-VCHVerlagGmbH
6、&Co.KGaA,Weinheimwileyonlinelibrary.com1DOI:10.1002/smll.201102635reviewsY.Huangetal.carbide-derivedcarbons,[49]havebeeninvestigatedforuse1.IntroductionaselectrodesinEDLCs.ExtensiveexplorationshaveshownGraphene,aone-atom-thick2Dsinglelayerofsp2-bondedthatt
7、oachieveEDLCswithhighperformance,severalfactorscarbon,hasbeenconsideredasthebasicconstructionmate-ofthecarbon-basedmaterialsarecrucial:thespecificsurfacerialforcarbonmaterialsofallotherdimensionalities.[13]Asaarea(SSA),electricalconductivity,andporesizeandd
8、istri-resultofthisuniquestructuralproperty,grapheneisprovidedbution.Inmostcases,althoughporous-carbon-basedmate-withaseriesofprominentintrinsicchemicalandphysicalfea-rialscanobtainhighSSA,thelowconductivityof
