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Catalysts 2015, 5(3), 1202-1210; doi:10.3390/catal5031202

Surfactant-Template Preparation of Polyaniline Semi-Tubes for Oxygen Reduction

Hubei Key Laboratory of Electrochemical Power Sources, Department of Chemistry, Wuhan University, Wuhan 430072, China
Author to whom correspondence should be addressed.
Academic Editor: Minhua Shao
Received: 13 May 2015 / Revised: 23 June 2015 / Accepted: 1 July 2015 / Published: 7 July 2015
(This article belongs to the Special Issue Electrocatalysis in Fuel Cells)
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Nitrogen and metal doped nanocarbons derived from polyaniline (PANI) have been widely explored as electrocatalysts for the oxygen reduction reaction (ORR) in fuel cells. In this work, we report surfactant-template synthesis of PANI nanostructures and the ORR electrocatalysts derived from them. By using cationic surfactant such as the cetyl trimethyl ammonium bromide (CTAB) as the template and the negatively charged persulfate ions as the oxidative agent to stimulate the aniline polymerization in the micelles of CTAB, PANI with a unique 1-D semi-tubular structure can be obtained. The semi-tubular structure can be maintained even after high-temperature treatment at 900 °C, which yields materials exhibiting promising ORR activity. View Full-Text
Keywords: polyaniline; cetyl trimethyl ammonium bromide; micelle; semi-tubes; oxygen reduction reaction polyaniline; cetyl trimethyl ammonium bromide; micelle; semi-tubes; oxygen reduction reaction

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, S.; Chen, S. Surfactant-Template Preparation of Polyaniline Semi-Tubes for Oxygen Reduction. Catalysts 2015, 5, 1202-1210.

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