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Metal anodes oxidation rate forecasted by results of electrolysis

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Abstract

This work represented the results from electrolysis tests of low-melting cryolite-alumina melts at temperatures of 790 and 850°C using metal anodes based on Cu-Fe-Ni and Cu-Al. The duration of experiment was at least 72 h. With these results, oxide layer dissolution/erosion rate and anodic material oxidation depth was calculated in arbitrary units (alloy cm/year) with examples of extrapolated (forecasted) experimental data of oxidation depth and oxide layer thickness for a long period. The oxide layer formed on the anode surface by electrolysis of the studied materials was found to decelerate further oxidation all over the period of tests.

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Authors and Affiliations

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

    V. A. Kovrov, A. P. Khramov, N. I. Shurov & Yu. P. Zaikov

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  1. V. A. Kovrov
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  2. A. P. Khramov
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  3. N. I. Shurov
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  4. Yu. P. Zaikov
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Correspondence to V. A. Kovrov.

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Original Russian Text © V.A. Kovrov, A.P. Khramov, N.I. Shurov, Yu.P. Zaikov, 2010, published in Elektrokhimiya, 2010, Vol. 46, No. 6, pp. 707–713.

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Kovrov, V.A., Khramov, A.P., Shurov, N.I. et al. Metal anodes oxidation rate forecasted by results of electrolysis. Russ J Electrochem 46, 665–670 (2010). https://doi.org/10.1134/S102319351006011X

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  • DOI: https://doi.org/10.1134/S102319351006011X

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