Nanostructured catalysts for direct electrooxidation of dimethyl ether based on Bi- and trimetallic Pt–Ru and Pt–Ru–Pd alloys prepared from coordination compounds


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Abstract

Bi- and trimetallic platinum–ruthenium and platinum–ruthenium–palladium catalysts with specified atomic ratios Pt: Ru = 1: 1 and Pt: Ru: Pd = 1: 1: 0.1, respectively, were synthesized from the coordination compounds of the metals deposited on highly dispersed carbon black. The catalysts were characterized by powder X-ray diffraction, electron dispersive analysis, and transmission electron microscopy. According to voltammetry data, the highest activity in the dimethyl ether (DME) electrooxidation is exhibited by the catalyst Pt0.43Ru0.47Pd0.1/C; hence, it may be considered as a promising anode material for direct DME fuel cells.

About the authors

V. A. Grinberg

Frumkin Institute of Physical Chemistry and Electrochemistry

Author for correspondence.
Email: vgrinberg@phyche.ac.ru
Russian Federation, Moscow, 117071

N. A. Maiorova

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

A. A. Pasynskii

Kurnakov Institute of General and Inorganic Chemistry

Author for correspondence.
Email: aapas@gmail.com
Russian Federation, Moscow, 117907

V. V. Emets

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

A. A. Shiryaev

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

V. V. Vysotskii

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

V. K. Gerasimov

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

V. V. Matveev

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

E. A. Nizhnikovskii

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

V. N. Andreev

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: aapas@gmail.com
Russian Federation, Moscow, 117071

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