Abstract
The relationship between the concentration of quinone groups in the electrode material containing carbon nanotubes (CNTs) and platinized carbon black and the efficiency of the use of the platinum surface in oxygen reduction was studied by cyclic voltammetry and rotating disc electrode methods. The effect of quinone groups on the oxygen coverage of the platinum surface and the density of the kinetic currents of molecular oxygen reduction on the platinum surface was investigated. A mechanism by which the oxygen-modified CNTs affect the kinetics of oxygen electroreduction on platinum was suggested.
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Original Russian Text © A.A. Nechitailov, N.V. Glebova, 2014, published in Elektrokhimiya, 2014, Vol. 50, No. 8, pp. 835–840.
This publication was prepared based on a lecture delivered at the All_Russian Conference with international participation “Fuel Cells and Power Plants,” Chernogolovka, 2013.
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Nechitailov, A.A., Glebova, N.V. Mechanism of the effect of oxygen-modified carbon nanotubes on the kinetics of oxygen electroreduction on platinum. Russ J Electrochem 50, 751–755 (2014). https://doi.org/10.1134/S1023193514080102
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DOI: https://doi.org/10.1134/S1023193514080102