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Electrochemical Synthesis of Fe–W Nanostructural Electrocatalytic Coatings

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Electrolytic Fe–W alloys are synthesized from citrate-ammonia electrolytes at current densities of 1–10 A·dm–2 when their chemical composition undergoes insignificant changes. The structure of alloys is nanocrystalline, the block size is 20–40 Å, and the roughness is ∼ 50–70 nm. It is shown that coatings by these alloys of the best quality can be obtained for the following optimal parameters: a current density of 1.5 A·dm–2, pH 7.5, and a temperature of 70°C. In the cyclic volt-ampere characteristic recorded in a 1 M KOH solution with an addition of ethanol, we detect a maximum of current caused by the electrooxidation of ethanol. This fact confirms the electrocatalytic properties of coatings in alkaline media.

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Authors and Affiliations

  1. Vernadskii Institute of General and Inorganic Chemistry, Ukrainian National Academy of Sciences, Kyiv, Ukraine

    О. L. Bersirova, S. V. Bilyk & V. S. Kublanovs’kyi

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  1. О. L. Bersirova
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  2. S. V. Bilyk
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  3. V. S. Kublanovs’kyi
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Correspondence to О. L. Bersirova.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 53, No. 5, pp. 136–141, September–October, 2017.

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Bersirova, О.L., Bilyk, S.V. & Kublanovs’kyi, V.S. Electrochemical Synthesis of Fe–W Nanostructural Electrocatalytic Coatings. Mater Sci 53, 732–738 (2018). https://doi.org/10.1007/s11003-018-0130-2

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  • DOI: https://doi.org/10.1007/s11003-018-0130-2

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