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Electrocatalytic Oxidation of Ethanol on Pt/nanoTiO2-CNT Complex Catalysts

CHU Dao-Bao, 安徽师范大学化学与材料科学学院, 安徽省功能性分子固体重点实验室, 安徽 芜湖 241000; 厦门大学化学系, 固体表面物理化学国家重点实验室, 福建 厦门 361005, Anhui Key Laboratory of Functional Molecular Solids, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China; Department of Chemistry, State Key Laboratory for Physical Chemistry of the Solid Surface, Xiamen University, Xiamen 361005, P. R. China, YIN Xiao-Juan, FENG De-Xiang, LIN Hua-Shui, TIAN Zhao-Wu
2006 Wuli huaxue xuebao  

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1 安徽师范大学化学与材料科学学院, 安徽省功能性分子固体重点实验室, 安徽芜湖 241000; 2 厦门大学化学系, 固体表面物理化学国家重点实验室, 福建厦门 361005) Abstract Pt/nanoTiO 2 鄄CNTcomplexcatalystswerepreparedbydirecthydrolysisofTi(OEt) 4 andelectrochemical scanelectrodepositingmethod.TheresultsofXRDandSEMshowedthatthenanoTiO 2 (anatase)andPtnanoparticles (sizeabout5耀10nm)weredisperseduniformlyonCNTfilmsurface.TheelectrocatalyticactivityofPt/nanoTiO 2 鄄CNT electrodewasinvestigatedbycyclicvoltammetryandchronopotentiogram.TheresultsindicatedthatPt/nanoTiO 2 鄄
more » ... NTelectrode(Ptloadingwas0.32mg·cm -2 )exhibitedhighelectrochemicalactivitysurfacearea(51.8m 2 · g -1 )andvery highelectrocatalyticactivityandstabilityfortheelectro鄄oxidationofethanolatroomtemperatureinatmosphere pressure.Theoxidationpeakpotentialsofethanolwere0.59,0.96,and0.24V,andthecorrespondingoxidationpeak currentsdensitieswere-115,-113,and-75mA·cm -2 .Thehighelectrocatalyticactivityandgoodstabilitycanbe attributedtothesynergisticcatalyticeffectamongnanocomposite.
doi:10.3866/pku.whxb20061013 fatcat:nrezc6szd5cwthpvz7setq2q6e
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CHU Dao-Bao, 安徽师范大学化学与材料科学学院, 安徽省功能性分子固体重点实验室, 安徽 芜湖 241000; 厦门大学化学系, 固体表面物理化学国家重点实验室, 福建 厦门 361005, Anhui Key Laboratory of Functional Molecular Solids, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China; Department of Chemistry, State Key Laboratory for Physical Chemistry of the Solid Surface, Xiamen University, Xiamen 361005, P. R. China, YIN Xiao-Juan, FENG De-Xiang, LIN Hua-Shui, TIAN Zhao-Wu. "Electrocatalytic Oxidation of Ethanol on Pt/nanoTiO2-CNT Complex Catalysts." Wuli huaxue xuebao 22.10 (2006) 1238-1242