Abstract
The structure characteristics and the electrochemical behavior of Pt(Cu)/C electrocatalysts synthesized by consecutive deposition of copper and platinum on carbon-support microparticles is studied. The stability and catalytic activity of Pt(Cu)/C materials in reactions of oxygen electroreduction and methanol electrooxidation are assessed and compared with analogous characteristics of a commercial Pt/C material. It is shown that combining the method of galvanic displacement of Cu by Pt with the additional chemical deposition of Pt favors optimization of the structure and functional characteristics of Pt(Cu)/C electrocatalysts. The effect of thermal treatment on the characteristics and properties of electrocatalysts is studied and the optimal conditions of such pretreatment are revealed.
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Original Russian Text © A.A. Alekseenko, S.V. Belenov, V.S. Menshikov, V.E. Guterman, 2018, published in Elektrokhimiya, 2018, Vol. 54, No. 5, pp. 477–488.
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Alekseenko, A.A., Belenov, S.V., Menshikov, V.S. et al. Pt(Cu)/C Electrocatalysts with Low Platinum Content. Russ J Electrochem 54, 415–425 (2018). https://doi.org/10.1134/S1023193518050026
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DOI: https://doi.org/10.1134/S1023193518050026