In this work, preparation of discontinuous nickel films on zirconium by electrochemical deposition of Ni-Cu alloy followed by selective anodic etching of the more noble metal, copper, was performed in an aqueous solution at room temperature. Potential varying electrodeposition produces were applied to obtain Ni-Cu alloys on Zr substrate. It is found that the Ni content increases as the deposition potential becomes more negative. Cyclic voltam-metric data indicate that the anodic dissolution of nickel is retarded by passivation. By taking the advantage of nickel passivation, selective anodic etching of Cu is achieved. Multicyclic electrochemical alloying/dealloying process makes the film rich of nickel and complete dealloying of copper.
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Fabrication of Nickel/Zirconium Anode for Solid Oxide Fuel Cells by Electrochemical Method
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Pothula, SV, & Gan, YX. "Fabrication of Nickel/Zirconium Anode for Solid Oxide Fuel Cells by Electrochemical Method." Proceedings of the ASME 2010 International Manufacturing Science and Engineering Conference. ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2. Erie, Pennsylvania, USA. October 12–15, 2010. pp. 433-437. ASME. https://doi.org/10.1115/MSEC2010-34225
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