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Citation: FENG Xiaojuan, ZHANG Weina, AN Honggang. Electrocatalytic Performance of Pd-modified Polyaniline/Polysulfone Composite Film Electrodes for Formic Acid Oxidation[J]. Chinese Journal of Applied Chemistry, ;2014, 31(3): 336-341. doi: 10.3724/SP.J.1095.2014.30225 shu

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

1.
Key Laboratory of Hexi Corridor Resources Utilization of Gansu Universities, College of Chemistry and Chemical Engineering, Hexi University, Zhangye 734000, China

Corresponding author: FENG Xiaojuan,
Received Date: 9 May 2013
Available Online: 2 July 2013
Fund Project: 河西学院西部资源环境化学重点实验室基金资助项目(XZ0706) (XZ0706)

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.
- Pd modified polyaniline/polysulfone electrodes,
- electrocatalytic oxidation,
- formic acid,
- electrochemical impedance spectroscopy
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