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Electroreduction of the Bromate Anion on a Microelectrode in Excess Acid: Solution of the Inverse Kinetic Problem

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Abstract

Acidic aqueous solutions of bromic acid salts (bromates) are promising electrolytes for redox flow batteries due to their record high power capacity and the rate of electrode reactions proceeding in the autocatalytic regime. The paper gives a comparison of the results of mathematical modeling and experimental measurements of steady-state currents of bromate anion electroreduction in sulfuric acid medium on microelectrodes of various radii. An algorithm of solving the inverse problem suitable for determination of the key transport and kinetic process parameters was proposed and tested.

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ACKNOWLEDGMENTS

The study was supported by the Ministry of Education and Science of the Russian Federation (Grant Agreement of September 29, 2016, No. 14.607.21.0143, UIN:RFMEFI60716X0143).

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Authors and Affiliations

  1. Mendeleev University of Chemical Technology of Russia, 125047, Moscow, Russia

    O. A. Goncharova, A. T. Glazkov & M. A. Vorotyntsev

  2. Moscow State University, 119992, Moscow, Russia

    O. A. Goncharova, K. V. Lizgina, A. A. Piryazev, S. L. Koryakin, M. A. Vorotyntsev &  V. B. Mintsev

  3. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia

    D. V. Konev, M. A. Vorotyntsev &  V. B. Mintsev

  4. Institute of Molecular Chemistry, University of Burgundy, Dijon, France

    M. A. Vorotyntsev

Authors
  1. O. A. Goncharova
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  2. A. T. Glazkov
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  3. K. V. Lizgina
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  4. A. A. Piryazev
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  5. S. L. Koryakin
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  6. D. V. Konev
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  7. M. A. Vorotyntsev
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  8. V. B. Mintsev
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Corresponding authors

Correspondence to D. V. Konev or M. A. Vorotyntsev.

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Translated by Z. Svitanko

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Goncharova, O.A., Glazkov, A.T., Lizgina, K.V. et al. Electroreduction of the Bromate Anion on a Microelectrode in Excess Acid: Solution of the Inverse Kinetic Problem. Dokl Chem 484, 12–15 (2019). https://doi.org/10.1134/S0012500819010063

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  • DOI: https://doi.org/10.1134/S0012500819010063

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