聚苯胺与石墨烯基复合材料的制备的的研究

《聚苯胺与石墨烯基复合材料的制备的的研究》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、AbstractSupercapacitorwasconsideredasanewtypeofelectrochemicalcapacitorinthelastfewyears，whichperformedwellinthehighpowerdensityandenergydensity．Inner-empty-tubulousPolyaniline(PANI)andPolyaniline／Graphenecompositeweresynthesizedinthisexperiment．Thecharacterizationandelectrochemicalpe

2、rformanceofthematerialswerestudiedbyRaman，FT-IR，XRD，SEM，TEM，Galvannostaticcharge／dischargeandCV．Themainresultswereasfollows：(1)TheInner-empty-tubulousPANlwithdiameterof300-500amwerepreparedbysynthesizedwithcitricaciddoped．TheratiooftheCA．AniandAPSwere1：1．5：1．FT-IR，XRDpatternindicatedt

3、hatthePANlwasEmeraldinestatedopedwithCAandlittlecrystallizable．Onthecontrary,thePANIdopedwithCSAdemonstrateddifferentamorphousstructures，whichpiledupwithuncrystallizableparticles．ElectrochemicalanalysisdemonstratedthattheInner-empty—tubulousPANIshowedanimprovedperformanceassupercapaci

4、tor．ThespecificcapacitanceoftheInner-empty-tubulousPANlwas831．75F-g～，20％higherthanthetraditionalPANIblockmaterials，whichalsoexhibitedhighlycyclicstability．(2)TheGraphite-oxidewassynthesizedbytheimproved-hummermethod，whichshowedjessdefects，andthevalueG·Dwashigher．WiththeCTABandKH-570tr

5、eatedonthesurface，16。diffractionpeakdemonstratedthedistancebetweenthelevelswasenlarged．AfterwhichgraphenewassynthesizedwiththePACandEDAusedasthereducingagent．AnalysisresultsshowedthatthemorevolumethePACwasadded，thevalueofthelG’Io_washigher．GraphenewhichwastreatedwithCTABandwasreducing

6、byPACshowedthehighestvalueoftheIc。Io一．ThespecificcapacitanceoftheGraphenewasabout300F-g～atthesameconditions．(3)Graphenewasultrasonic-dispersedinthesolutionwhichalreadydissolvedtheCAandAni，andtheninitiated!bytheAPSandpolymerized．Theabsorbanceintensityoftheidenticalpeakwasstrengthenedon

7、theFT-IRspectrogram，ontheothersidethepeakoftheGraphene／PANlwhichobtainedbytheKH-570andEDAshowedtheintensitywasweakened．ThePANI／Graphenehadexcellentelectricdouble-layercapacitance，incharge／dischargeandcyclicstability．．The2-dimensionalcompositesdemonstratedhighspecificcapacitance，thespe

8、cific