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Aluminum electrode for electrochemical studies in cryolite-alumina melts at 700–960°C

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Abstract

The paper presents the results of tests of different aluminum electrode designs for electrochemical studies in cryolite-alumina melts in the temperature range of 700–960°C. Their operation as regards stability and reproducibility of the potential and the highest activity of metallic aluminum is analyzed. The new design of the aluminum electrode is suggested that is characterized by a more stable and reproducible potential, as compared to the designs earlier suggested. Herewith, the activity of metallic aluminum is higher. It is shown that the suggested electrode is suitable for operation in cryolite-alumina melts in the temperature range from 700°C. The electrode can be used for a prolonged time. Herewith, its potential remains stable and reproducible.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 22, Ekaterinburg, 620219, Russia

    A. V. Suzdal’tsev, A. P. Khramov & Yu. P. Zaikov

Authors
  1. A. V. Suzdal’tsev
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  2. A. P. Khramov
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  3. Yu. P. Zaikov
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Correspondence to A. V. Suzdal’tsev.

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Original Russian Text © A.V. Suzdal’tsev, A.P. Khramov, Yu.P. Zaikov, 2012, published in Elektrokhimiya, 2012, Vol. 48, No. 12, pp. 1264–1271.

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Suzdal’tsev, A.V., Khramov, A.P. & Zaikov, Y.P. Aluminum electrode for electrochemical studies in cryolite-alumina melts at 700–960°C. Russ J Electrochem 48, 1153–1159 (2012). https://doi.org/10.1134/S1023193512120129

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  • DOI: https://doi.org/10.1134/S1023193512120129

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