资源描述：
《Highly super capacitive electrodes made of graphene poly(pyrrole)》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、ViewOnlineChemCommDynamicArticleLinksCitethis:Chem.Commun.,2011,47,5753–5755www.rsc.org/chemcommCOMMUNICATIONHighlysupercapacitiveelectrodesmadeofgraphene/poly(pyrrole)P.A.Mini,AvinashBalakrishnan,ShantiV.Nair*andK.R.V.Subramanian*Received6thJanuary2011,Accepted29thMarch2011DOI:10.1039/c1cc00119a
2、1Wereportonthedevelopmentandcharacterizationofhighandyieldshighspecificcapacitancesofupto500Fg.performancesupercapacitorelectrodessynthesizedusingelectro-Anotherpopularconductingpolymer,polyaniline,wascoatedphoreticdepositionofgraphene,uponwhichthepoly(pyrrole)-onahierarchicallyporouscarbonmonoli
3、thtopreparealayerwaselectropolymerised.Thehighlycapacitiveelectrodecompositesupercapacitorelectrode,whichgavehighvalues115hadaspecificcapacitanceof1510Fg,areacapacitanceofofspecificcapacitance,powerdensityandenergydensity.231151mFcmandvolumecapacitanceof151Fcmat10mVs.Asacomparison,electrodesbas
4、edonintrinsicconductingpolymerlayers,fore.g.,pulsepolymerizedpolypyrrole,yields116Grapheneconsistingofatwo-dimensionalsheetofcovalentlyaspecificcapacitanceof400Fg;polyanilineyieldsa11718,19bondedcarbonatomshashighelectronicconductivity,lowspecificcapacitanceof234Fg.Variousgroupshave211trieddiffer
5、entmethods(suchaselectrochemicalcodeposition,massdensity,veryhighspecificsurfacearea(2630mg)2mixingofcarbonandpolymerunitsfollowedbyfreezedrying,andfindsamultitudeofapplicationsindevices.Theveryhighin-planeconductivityandsurfaceareamakesitanattractivemixingofcarbonaceouspolymersandcarbonnanotubesma
6、terialforuseindyesensitizedsolarcells,3supercapacitors4(CNT’s)followedbypyrolyzationetc.)topreparecompositeandotherhightechnologynicheareas.Anauthoritativereviewelectrodesofcarbon(CNT’s,otherformsofcarbon)andofgraphene—itselectronicstructure,synthesismethods,charac-conductingpolymers.Useofbothgra
7、pheneandhighlyterization,functionalizationanditscomposites—hasbeenconductingpolymersinacompositemodeisexpectedtohave5highsynergisticstoragecapacity.written.Electrochemicaldoublelayercapacitorsshowproperties6Inthepresen
