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电化学聚合聚苯胺修饰电极对微生物燃料电池产电性能的影响研究.docx

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电化学聚合聚苯胺修饰电极对微生物燃料电池产电性能的影响研究 Title:InfluenceofElectropolymerizedPolyAniline-modifiedElectrodesonthePowerGenerationPerformanceofMicrobialFuelCells Abstract: Microbialfuelcells(MFCs)areemergingasapromisingtechnologytogenerateelectricitythroughthesynergisticinteractionbetweenmicroorganismsandelectrodematerials.TheperformanceofMFCscanbesignificantlyimprovedbymodifyingtheelectrodeswithconductivepolymers.Inthisstudy,theeffectofelectropolymerizedpolyAniline(PANI)-modifiedelectrodesonthepowergenerationperformanceofMFCswasinvestigated.TheresultsdemonstratedthatPANImodificationenhancedtheelectrontransferkinetics,increasedthesurfacearea,andprovidedafavorableenvironmentforbacterialcolonization.ThesefindingscontributetotheunderstandingoftheroleofPANIinMFCsandofferpotentialapplicationsforenergygenerationfrommicrobialsources. Introduction: Microbialfuelcells(MFCs)havegainedincreasingattentionassustainableenergysources,astheyconvertorganicmatterintoelectricitythroughthemetabolicprocessesofmicroorganisms.ThemaincomponentsofMFCsareelectrodes,whicharecrucialforefficientelectrontransferbetweenmicroorganismsandelectrodesurfaces.ModificationofelectrodematerialshasbeenexploredasaneffectivestrategytoenhanceMFCperformance.TheconductivepolymerpolyAniline(PANI)exhibitsexcellentelectricalconductivity,goodstability,andbiocompatibility,makingitapromisingcandidateforelectrodemodificationinMFCs. Methodology: ToinvestigatetheinfluenceofPANI-modifiedelectrodesonMFCperformance,atwo-chamberMFCsystemwasconstructed.Theanodeandcathodeweremadeofcarboncloth,withtheanodemodifiedbyelectropolymerizedPANI.TheMFCswereoperatedusingasyntheticwastewaterasthefuelsource,withtheperformanceparametersmonitoredregularly.Thepowergeneration,internalresistance,andmicrobialcommunitycompositionwereevaluatedtoassesstheeffectsofPANImodification. ResultsandDiscussion: ThePANImodificationsignificantlyimprovedthepowergenerationperformanceoftheMFCs.Comparedtotheunmodifiedelectrodes,thePANI-modifiedelectrodesexhibitedahighermaximu