固相反应制备的Pt/C催化剂对乙醇氧化的电催化活性

doi:10.3866/PKU.WHXB20031103

Acta Phys. -Chim. Sin. ›› 2003, Vol. 19 ›› Issue (11): 1001-1004.doi: 10.3866/PKU.WHXB20031103

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Electrocatalytic Activity of Pt/C Catalyst Prepared with Solid Phase Reaction Method for Ethanol Oxidation

Ma Guo-Xian;Tang Ya-Wen;Yang Hui;Zhou Yi-Ming;Xing Wei;Lu Tian-Hong

Department of Chemistry, Nanjing Normal University, Nanjing　210097; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun　130022

Received:2003-04-02 Revised:2003-06-16 Published:2003-11-15
Contact: Lu Tian-Hong E-mail:tianhonglu@263.net

Abstract

Abstract: The Pt/C catalyst (Pt/C(s)) was prepared with solid phase reaction method and its electrocatalytic activity for the ethanol oxidation was studied. XRD and TEM measurements indicated that the average diameter and the crystalline extent of Pt particles in Pt/C(s) are 3.8 nm and 2.38, respectively, which are much lower than the average diameter (8.5 nm) and the crystalline extent (5.56) of the Pt/C(l) catalyst prepared with the traditional liquid phase reaction method(Pt/C(l)). Therefore, the electrocatalytic activity of Pt/C(s) for the ethanol oxidation is much better than that of Pt/C(l). Cyclic voltammograms and chronoamperometric curves both confirmed this conclusion.

Key words: Solid phase reaction, Ethanol, Fuel cell, Pt/C catalyst

Ma Guo-Xian;Tang Ya-Wen;Yang Hui;Zhou Yi-Ming;Xing Wei;Lu Tian-Hong. Electrocatalytic Activity of Pt/C Catalyst Prepared with Solid Phase Reaction Method for Ethanol Oxidation[J]. Acta Phys. -Chim. Sin. 2003, 19(11), 1001-1004. doi: 10.3866/PKU.WHXB20031103

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Electrocatalytic Activity of Pt/C Catalyst Prepared with Solid Phase Reaction Method for Ethanol Oxidation

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