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Electrochemical characterization of the Pt/PEDOT electrode in DMFC

Lookup NU author(s): Muzhong Shen, Professor Sudipta Roy

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Abstract

Poly-(3,4-ethylenedioxythiophene) (PEDOT) was applied in making electrodes and gas diffusion layer for direct methanol fuel cells (DMFC). Electrochemical characterizations of Pt/PEDOT electrodes, made by two different methods, were investigated by cyclic voltammetry, methanol oxidation tests and DMFC performance. The platinum particle structure in PEDOT/PSS (polystyrene sulfonic acid) films was investigated by SEM and TEM. Our research work showed that PEDOT influenced the catalytic activity behavior in three different ways when it was applied to the anode, cathode and the gas diffusion layer. The DMFC performance agreed with the cyclic voltammetry and methanol oxidation test results.

Publication metadata

Author(s): Shen M, Roy S, Scoth K, Higgins SJ, Rajapakse G

Publication type: Article

Publication status: Published

Journal: Progress in Natural Science

Year: 2005

Volume: 15

Issue: 1

Pages: 89-97

ISSN (print): 1002-0071

ISSN (electronic): 1745-5391

Publisher: Elsevier Ltd

URL: http://dx.doi.org/10.1080/10020070512330013

DOI: 10.1080/10020070512330013

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