Polyindole (PIn), cobalt, and acetylene black (C) were used to obtain non-precious-metal nanocomposite electrocatalysts for the oxygen reduction reaction (ORR). We studied the composition, structure, and electrochemical properties of these materials. The PIn-Co/Cpyr obtained with treatment at elevated temperature, have much greater electrocatalytic activity in ORR in 0.05 M sulfuric acid in comparison with nonpyrolyzed (metal–polymer composite) PIn-Co/C, which may be attributed to differences in the catalytically-active sites in these composites.
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This work was carried out with the partial financial support of the State Science and Technology Program “Nanotechnology and nanomaterials” (Project No. 6.22.3.11) and the Joint Integrated Basic Research Program of the National Academy of Sciences of Ukraine “Hydrogen in alternative energy and new technologies” (Project No. 6-14).
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Translated from Teoreticheskaya i Éksperimental’naya Khimiya, Vol. 50, No. 6, pp. 367-374, November-December, 2014.
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Kurys, Y.I., Ustavytska, O.O., Mazur, D.O. et al. Oxygen Reduction Nanocomposite Electrocatalysts Based on Polyindole, Cobalt, and Acetylene Black. Theor Exp Chem 50, 371–377 (2015). https://doi.org/10.1007/s11237-015-9390-1
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DOI: https://doi.org/10.1007/s11237-015-9390-1