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Title Electro-Conductive Composites Based on Metal Oxides and Carbon Nanostructures
Authors Volodin, A.A.
Tarasov, B.P.
Belmesov, A.A.
Gerasimova, E.V.
Zolotarenko, A.D.
Shchur, D.V.
Keywords Carbon nanotubes
Carbon-ceramic nanocomposites
Electrical conductivity
Catalytic activity
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/35124
Publisher Sumy State University
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Citation Electro-Conductive Composites Based on Metal Oxides and Carbon Nanostructures / A. A. Volodin, B. P. Tarasov, A. A. Belmesov et al. // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V. 1, No3. - 03CNN19
Abstract Optimal conditions were found for the formation of carbon-oxide composites by the treatment of mixtures of oxides of aluminum or titanium with carbon nanotubes and nanofibers in a planetary ball mill. The dependences of the electrical conductivity of composites on the content of carbon nanomaterials (1-5% by mass) were determined. It is shown that the addition of 3%(wt) of CNT to the oxides leads to a sharp increase in the electrical conductivity: from 5.0×10-8 to 2.8×10-4 S/cm for Al2O3 and from 5.0×10-6 to 2.2×10-2 S/cm for TiO2. It was shown that the carbon-oxide composites are promising carriers of the catalysts of electrode processes in electrochemical devices. It was revealed that Pt/TiO2 - CNT catalyst containing 5% (mass) of carbon nanotubes has the best catalytic activity in oxygen reduction, in an electrode-modeling cathode of a fuel cell. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35124
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