Nanostructured Platinum-Free Catalysts of Oxygen Reduction based on Metal Chalcogenide Cobalt Clusters

V. A. Grinberg; N. A. Mayorova; A. A. Pasynskii; A. D. Modestov; A. A. Shiryaev; V. V. Vysotskii; A. S. Nogai

doi:10.1134/S1070328418100056

Nanostructured Platinum-Free Catalysts of Oxygen Reduction based on Metal Chalcogenide Cobalt Clusters

Authors: Grinberg V.A.¹, Mayorova N.A.¹, Pasynskii A.A.², Modestov A.D.¹, Shiryaev A.A.¹, Vysotskii V.V.¹, Nogai A.S.³
Affiliations:
1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
3. Gumilyov Eurasian National University
Issue: Vol 44, No 10 (2018)
Pages: 589-595
Section: Article
URL: https://journals.rcsi.science/1070-3284/article/view/214106
DOI: https://doi.org/10.1134/S1070328418100056
ID: 214106

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Abstract

Nanostructured catalysts were synthesized by deposition of cobalt selenide and telluride on highly dispersed carbon black from solutions of corresponding metal chalcogenide clusters. The catalysts were characterized by powder X-ray diffraction, energy dispersive X-ray spectroscopy, and scanning electron microscopy. The electroreduction of oxygen at these catalysts is accompanied by consumption of four electrons. The catalysts were shown to be tolerant to methanol.