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Anodic characteristics of amorphorous palladium-base alloys in sodium chloride solutions

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Abstract

The anodic characteristics of a variety of amorphous palladium-base alloys were examined with a view to their use for the production of sodium hypochlorite by electrolysis of dilute sodium chloride solutions at ambient temperature. The corrosion resistance of palladium-metalloid alloys was obtained by alloying with platinum group metals and/or valve metals. Among these alloys, rhodium-containing alloys showed high electrocatalytic activities for chlorine evolution. Surface activation treatment was, however, necessary to obtain sufficiently high activities for chlorine evolution at low overpotentials. Surface-activated amorphous alloys possessed considerably higher current efficiency for chlorine evolution in comparison with currently used anodes.

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Authors and Affiliations

  1. Daiki Engineering Co. Ltd, Shintoyofuta, 277, Kashiwa, Japan

    N. Kumagai

  2. The Research Institute for Iron, Steel and Other Metals, Tohoku University, 980, Sendai, Japan

    A. Kawashima, K. Asami & K. Hashimoto

Authors
  1. N. Kumagai
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  2. A. Kawashima
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  3. K. Asami
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  4. K. Hashimoto
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Kumagai, N., Kawashima, A., Asami, K. et al. Anodic characteristics of amorphorous palladium-base alloys in sodium chloride solutions. J Appl Electrochem 16, 565–574 (1986). https://doi.org/10.1007/BF01006851

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  • DOI: https://doi.org/10.1007/BF01006851

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