Electrocatalytic Performance of Pd-modified Polyaniline/Polysulfone Composite Film Electrodes for Formic Acid Oxidation

doi:10.3724/SP.J.1095.2014.30225

Chinese Journal of Applied Chemistry

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Electrocatalytic Performance of Pd-modified Polyaniline/Polysulfone Composite Film Electrodes for Formic Acid Oxidation

FENG Xiao juan^*, ZHANG Weina, AN Honggang

(Key Laboratory of Hexi Corridor Resources Utilization of Gansu Universities,
College of Chemistry and Chemical Engineering,Hexi University,Zhangye 734000,China)

Received:2013-05-09 Revised:2013-07-01 Published:2014-03-10 Online:2014-03-10
Contact: Feng XiaoJuan
Supported by:
Supported by Key Laboratory of Hexi Resources and Rnvironmental Chemistry Funds(No.XZ0706)

Abstract

Abstract: A Pd nanopaticles modified polyaniline/polysulfone(PAN/PSF) composite film with three dimensional network structure(Pd/PAN/PSF) was prepared by using electropolymerization at the surface of Pt electrode. Its morphology was characterized by scanning electron microscopy. The results indicate that the composite film has a bi-layer structure with asymmetrical pores, and Pd nanoparticles with a small size are symmetrically dispersed in the film modified electrodes. The composite film effectively improved the dispersion of Pd and electrode structure. Compared with the Pd/PAN electrode fabricated by direct electrodeposition, the Pd/PAN/PSF composite film modified electrode exhibits better electrocatalytic activity and good stability than that of Pd/PAN film modified electrode towards formic acid oxidation.

Key words: Pd modified , polyaniline/polysulfone electrodes, electrocatalytic oxidation, formic aci, electrochemical impedance spectroscopy

CLC Number:

O646

FENG Xiao juan*, ZHANG Weina, AN Honggang. Electrocatalytic Performance of Pd-modified Polyaniline/Polysulfone Composite Film Electrodes for Formic Acid Oxidation[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2014.30225.

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Electrocatalytic Performance of Pd-modified Polyaniline/Polysulfone Composite Film Electrodes for Formic Acid Oxidation

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