Electrochemical conversion of aqueous ethanol solution in an electrolyzer with a solid polymer electrolyte


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Abstract

The electrochemical conversion of an aqueous ethanol solution (40 vol %) in an electrolysis cell with a solid polymer electrolyte in the presence of various electrocatalysts (Pt, Ir, Ir0.3Ru0.3Sn0.4O2, and Pt0.5Ru0.5) was studied. The electrocatalytic conversion of the ethanol solution at low current densities (up to 0.3 A cm−2) is characterized by a significant (by up to 50%) decrease in the cell voltage relative to water electrolysis. Possible diffusion of ethanol from the anode zone to the cathode zone will not significantly affect operation of the platinum electrocatalyst.

About the authors

I. V. Pushkareva

National Research University “Moscow Power Engineering Institute,”; National Research Centre “Kurchatov Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, ul. Krasnokazarmennaya 14, Moscow, 111250; pl. Kurchatova 1, Moscow, 123182

A. S. Pushkarev

National Research University “Moscow Power Engineering Institute,”; National Research Centre “Kurchatov Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, ul. Krasnokazarmennaya 14, Moscow, 111250; pl. Kurchatova 1, Moscow, 123182

S. A. Grigoriev

National Research University “Moscow Power Engineering Institute,”

Author for correspondence.
Email: sergey.grigoriev@outlook.com
Russian Federation, ul. Krasnokazarmennaya 14, Moscow, 111250

E. K. Lyutikova

National Research Centre “Kurchatov Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, pl. Kurchatova 1, Moscow, 123182

S. V. Akel’kina

National Research Centre “Kurchatov Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, pl. Kurchatova 1, Moscow, 123182

M. A. Osina

National Research University “Moscow Power Engineering Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, ul. Krasnokazarmennaya 14, Moscow, 111250

E. P. Slavcheva

Acad. Evgeni Budevski Institute of Electrochemistry and Energy Systems

Email: sergey.grigoriev@outlook.com
Bulgaria, Acad. Georgi Bonchev str. 10, Sofia, 1113

V. N. Fateev

National Research Centre “Kurchatov Institute,”

Email: sergey.grigoriev@outlook.com
Russian Federation, pl. Kurchatova 1, Moscow, 123182

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