%0 Journal Article
%T ElectrocatalyticactivityofporousnanostructuredFe/Pt-Feelectrodeformethanolelectrooxidationinalkalinemedia
%A Javad Hosseini
%A Mehdi Abdolmaleki
%A Hamid Reza Pouretedal
%A Mohammad Hossein Keshavarz
%J ´ß»¯Ñ§±¨
%P 1029-1034
%D 2015
%R 10.1016/S1872-2067(15)60841-5
%X £¿AnelectrochemicalapproachtofabricateananostructuredFe/Pt-Fecatalystthroughelectrodepositionfollowedbygalvanicreplacementispresented.AnFe/Pt-FenanostructuredelectrodewaspreparedbydepositionofFe-ZnontoaFeelectrodesurface,followedbyreplacementoftheZnbyPtatopen-circuitpotentialinaPt-containingalkalinesolution.Scanningelectronmicroscopyandenergy-dispersiveX-raytechniquesrevealthattheFe/Pt-FeelectrodeisporousandcontainsPt.TheelectrocatalyticactivityoftheFe/Pt-Feelectrodeforoxidationofmethanolwasexaminedbycyclicvoltammetryandchronoamperometry.TheelectrooxidationcurrentontheFe/Pt-FecatalystismuchhigherthanthatonflatPtandsmoothFecatalysts.TheonsetpotentialandpeakpotentialontheFe/Pt-FecatalystaremorenegativethanthoseonflatPtandsmoothFeelectrodesformethanolelectrooxidation.AllresultsshowthatthisnanostructuredFe/Pt-Feelectrodeisveryattractiveforintegratedfuelcellapplicationsinalkalinemedia.
%K Methanolelectro-oxidation
%K NanostructuredFe/Pt-Fe
%K Electrocatalyticbehavior
%K Galvanicreplacement
%K Cyclicvoltammetry
%K Directmethanolfuelcell
%U http://www.chxb.cn/CN/abstract/abstract21619.shtml