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Effect of an organic additive on the electrocrystallization of cadmium in alkaline solution

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Abstract

The electrocrystallization of Cd(OH)2 in KOH solution was studied on a solid cadmium electrode using the potential step method. An organic additive, polyvinyl alcohol (PVA), sometimes considered for use as an additive in nickel-cadmium batteries, was found to inhibit the nucleation process. A two-dimensional instantaneous nucleation and growth was found to take place in the absence of the expander, whereas deviation occurred when PVA was present. The general effect of adding PVA was to loweri m and increaset m.

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Author notes

  1. M. Z. A. Munshi

    Present address: Department of Metallurgy and Material Science, McMaster University, 1280 Main Street West, L8S 4L7, Hamilton, Ontario, Canada

Authors and Affiliations

  1. Department of Chemistry, The City University, Northampton Square, EC1V 0HB, London, UK

    M. Z. A. Munshi & A. C. C. Tseung

  2. Marathon Alcad Limited, Union Street, PO Box 4, Redditch, Worcestershire, UK

    J. Parker

Authors
  1. M. Z. A. Munshi
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  2. A. C. C. Tseung
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  3. J. Parker
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Munshi, M.Z.A., Tseung, A.C.C. & Parker, J. Effect of an organic additive on the electrocrystallization of cadmium in alkaline solution. J Appl Electrochem 17, 427–433 (1987). https://doi.org/10.1007/BF01023308

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  • DOI: https://doi.org/10.1007/BF01023308

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