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Citation: 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 Physico-Chimica Sinica, ;2003, 19(11): 1001-1004. doi: 10.3866/PKU.WHXB20031103 shu

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

1.
Department of Chemistry, Nanjing Normal University, Nanjing　210097; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun　130022

Received Date: 2 April 2003
Available Online: 15 November 2003

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.
- Solid phase reaction;Ethanol;Fuel cell;Pt/C catalyst
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