多壁碳納米管-聚苯胺復合材料的制備及其在超級電容器中的應用.pdf

1、蘭州理工大學碩士學位論文多壁碳納米管聚苯胺復合材料的制備及其在超級電容器中的應用姓名：張晶申請學位級別：碩士專業(yè)：材料學指導教師：孔令斌20080428多壁碳納米管／聚苯胺復合材料的制備及其在超級電容器中的應用AbstractInrecentyears，supercapacitorsastheelectricalenergystoragesystemshaVeattractedgrowingattentionduetothehigher

2、specificpowerandhigherspecificenergyAstheelectrodematerialofsupercapacitors，conductingpolymerhasmanyadVantages，suchas，quickandefficientdischarge，withoutingcharge／dischargecontrolcircuit，longcyclelife，temperaturerelieCand

3、enVironmentalamicabilityItalsopossessescharacteristicsofsemiconductororconductoraftereffectivelydopedPolyaniline(PANI)conductingpolymersduelStOoneofthemostinterestingitsenVironmentalstability，easeinpreparation，excitingel

4、ectrochemical，opticalandelectricalpropertiesCarbonnanotubeshasuniquemechanical，electricity，magnetismperf6rmancebecauseofits’lightsizeandbigrelativesurfaceInthisdissertation，first，themulti—walledcarbonnanotubes(MWCNT)were

5、dissolVedwellintoan訂ine，andwesynthesizedMWCNT／PANIcompositeselectrodematerialsbychemicaloxidatiVep01ymerizationandelectrochemicalpolymerization，respectiVely，andstudyitselectrochen[1icalcapacitiVeperformancefbrsupercapaci

6、torsThemainstudiesareasfollows：1TheMWCNTwerediss01Vedwellintoan訂ineViareflexprocessinthedarkandthenthedarkredMWCNTanilinesolutionwasobtained2TheMWCNT／PANIcompositeswefepreparedviasimplechemicaloxidatiVepolymerization，and

7、themicrostructure，thethermalstability，thesupercapcitiVebehaViorsofthesecompositefilmswefeinvestigatedwithSEM，TGA，F(xiàn)TIR，cyclicVoltammetry，charge—discharge，andimpedancespectroscopyTheresultsshowthattheeffectofMWCNToncomposi

8、tesisaframework，PANIcancoatgrowedaroundtheMWCNTframeworkComparingwiththepurePANI，theMWCNT／PANIcompositeshavemoreactiVesitesf6rfaradicreactionandlargerspecificcapacitance3TheMWCNT／PANIcompositefilmswerepreparedbyelectroch