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Some Features of the Cathodic and Anodic Nickel Depassivation during DC Polarization in Sulfuric Acid Solutions

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Abstract

A comparative analysis of the formation and decomposition processes and the component composition of the phases of films that passivate a nickel electrode during its dc polarization in sulfuric acid solutions with a varied value and polarity of the applied potential is performed.

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ACKNOWLEDGMENTS

This work was carried out on the equipment of the Center for Collective Use Materials Science and Metallurgy at the National University of Science and Technology MISiS.

The work was supported by the Ministry of Education and Science of the Russian Federation and the Russian Foundation for Basic Research, project no. 13-08-00200.

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Correspondence to V. A. Bryukvin.

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Translated by E. Yablonskaya

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Bryukvin, V.A., Skryleva, E.A., Naftal’, M.N. et al. Some Features of the Cathodic and Anodic Nickel Depassivation during DC Polarization in Sulfuric Acid Solutions. Russ. Metall. 2019, 241–246 (2019). https://doi.org/10.1134/S0036029519030029

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  • DOI: https://doi.org/10.1134/S0036029519030029

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