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IJC-A Vol.48A [2009] >
IJC-A Vol.48A(10) [October 2009] >


Title: Synthesis of carbon nanotube supported Pt-Sn nanoparticles by replacement reaction and their electrocatalytic properties for ethanol oxidation
Authors: Zhang, B
Kuang, Y J
Pang, H L
Liu, B
Chen, J H
Zhang, X H
Keywords: Fuel cells
Catalysts
Carbon nanotubes
Nanomaterials
Electrocatalysis
Pt-Sn nanoparticles
Replacement reactions
Oxidations
Ethanol oxidation
Electrooxidations
Issue Date: Oct-2009
Publisher: CSIR
IPC CodeInt. Cl.9 B01J21/18C; C25B3/02; H01M4/00
Abstract:  Carbon nanotube supported Pt-Sn nanoparticles have been prepared by using a replacement reaction method. The micrography, elemental composition and structure analysis of Pt-Sn catalysts have been studied by scanning electron microscopy, energy dispersive X-ray spectroscopy and X-ray diffractograms, respectively. The electrocatalytic activity of Pt-Sn/CNTs for ethanol electrooxidation has been investigated by cyclic voltammetry in 1.0 M CH3CH2OH + 0.5 M H2SO4 solution. The results show that the obtained Pt-Sn/CNT nanoparticles exhibit higher electrocatalytic activity and better long-term stability for ethanol oxidation as compared to the PtSn/CNT nanoparticles prepared by the conventional coreduction method
Page(s): 1345-1351
ISSN: 0975-0975 (Online); 0376-4710 (Print)
Source:IJC-A Vol.48A(10) [October 2009]

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