Electrodeposition of platinum microparticle interface on conducting polymer film modified nichrome for electrocatalytic oxidation of methanol

A simple and “green” approach for fabrication of platinum microparticle interface on conducting polymer film modified nichrome matrix (Pt/PAn/Nc) for methanol oxidation was investigated. The Pt microparticles were grown directly on the polyaniline precursor film modified nichrome matrix (PAn/Nc) in...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:International journal of hydrogen energy 2009-12, Vol.34 (23), p.9334-9340
Hauptverfasser: Wang, Zhenhui, Gao, Guiqin, Zhu, Hefeng, Sun, Zhidan, Liu, Haiping, Zhao, Xiaoling
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A simple and “green” approach for fabrication of platinum microparticle interface on conducting polymer film modified nichrome matrix (Pt/PAn/Nc) for methanol oxidation was investigated. The Pt microparticles were grown directly on the polyaniline precursor film modified nichrome matrix (PAn/Nc) in dilute chloroplatinic acid solution by cyclic voltammetry. The SEM revealed that the deposits were composed of spherical Pt microparticles. Cyclic voltammetry and chronoamperometry were used for characterization of the electrode properties. Results showed that the spherical Pt/PAn/Nc electrode enhanced the catalytic activity and promoted methanol electrooxidation. The catalytic activity of Pt/PAn/Nc electrode was 15 times higher than that obtained from pure platinum under the same conditions. Moreover, the deposited Pt microparticles improved the electrochemical properties of nichrome and reduced the dosage of noble metal platinum, remarkably. The cost could be reduced dramatically by decreasing the contents of platinum. The Pt/PAn/Nc are likely a promising electrocatalyst for methanol electrooxidation.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2009.09.062