Pt石墨烯基复合材料的研制及对甲醇的电催化氧化功能研究.pdf

Abstract Directmethanolfuel a sourcein devices cell(DMFC)ispromisingpower portable andelectronic dueto its theoretical products hiigh energy environment-friendlinessand and easytransportationstorage．However,thepractical ofDMFCisstilllimitedseveral asthe catalytic application by problems，suchpoor and ofanode to is considered now,Pt-based activitystability catalysts．Up catalystwidely asthemosteffectiveanode forDMFCwhose is catalyst catalyticperformance determinedits and a granularity,thus substantiallyby structure，morphology developing andeffective to these towardsthe simple regulate maximum approach properties exsertionofPt is for the commercial catalyticactivityparticularlyimportantachieving useof noveltwodimensionalnano-carbon DMFC．Graphene，a material，haspromised useas duetoits surfaceareaand electrical great catalystsupport large high conductivity． More fabricatedthechemicalreduction-oxidationmethod importantly,thegraphene by has activesitesanddefectswhichmakesit functionalizedvarious plentiful readily by andthenfavorablefor Pt groups regulatingcatalyticperformancethroughpec