Skip to main content
SpringerLink
Log in

Zinc dissolution in ammonium chloride electrolytes

  • Published:
Journal of Applied Electrochemistry Aims and scope Submit manuscript

Abstract

The anodic dissolution of zinc RDE in NH4Cl and NH4Cl + ZnCl2 electrolytes at pH 5.5 was studied. XPS and SEM data indicate that the zinc electrode is covered by a porous film composed of a mixture of metallic zinc and zinc hydroxide. The thickness of the film and the zinc hydroxide content is much higher in zinc-containing electrolytes than in NH4Cl and, although the thickness and Zn(OH)2 amount decrease with anodic polarization, the electrode is never free from oxidized compounds. Electrochemical results indicate that at low overpotentials the rate of zinc dissolution is determined by the removal of the oxidized blocking particles, while at high overpotentials Zn dissolution takes place through the porous layer.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. A.B. Velichenko, M. Sarret and C. Muller, J. Electroanal. Chem. 448 (1998) 1.

    Google Scholar 

  2. D.R. Gabe, in `Oxides and Oxide Film'. Vol. 6 (Marcel Dekker, New York, 1981), ed. J.W. Diggle, pp. 203.

    Google Scholar 

  3. V. Ravindran and V.S. Muralidharan, Trans. SAEST 26 (1991) 193.

    Google Scholar 

  4. L.M. Baugh, Electrochim. Acta 24 (1979) 669.

    Google Scholar 

  5. C. Cachet and R. Wiart, J. Electroanal. Chem. 111 (1980) 235.

    Google Scholar 

  6. C. Cachet and R. Wiart, J. Electroanal. Chem. 129 (1981) 103.

    Google Scholar 

  7. M. Maja, N. Penazzi, G. Farnia and G. Sandona, Electrochim. Acta 38 (1993) 1453.

    Google Scholar 

  8. V. Ravindran and V.S. Muralidharan, Bull. Electrochem. 6(2) (1990) 237.

    Google Scholar 

  9. C. Cachet, B. Saidani and R. Wiart, J. Electrochem. Soc. 139 (1992) 644.

    Google Scholar 

  10. D.M. Shub, M.F. Reznik and V.V. Shalaginov, Electrokhimiya 21 (1985) 878.

    Google Scholar 

  11. D.M. Shub and M.F. Reznik, Electrokhimiya 21 (1985) 795.

    Google Scholar 

  12. F.I. Danilov, A.B. Velichenko, S.M. Loboda and R.L. Mokienko, Electrokhimiya 25 (1989) 406.

    Google Scholar 

  13. B. Matel, A. Ben Taleb, O. Dessaux, P. Goudmand, L. Gengembre and J. Grimblot, Thin Solid Films 266 (1995) 119.

    Google Scholar 

  14. J.F. Moulder, W.F. Stickle, P.E. Sobol and K.D. Bomben, Handbook of X-ray Photoelectron Spectroscopy, 2nd edn, (Phys-ical Electronics: Eden Prairie, Minnesota 1995).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. LCTEM. Department of Physical Chemistry, University of Barcelona, Martí i Franqués 1, 08028, Barcelona, Spain

    A.B. Velichenko, M. Sarret & C. Muller

  2. Serveis Científico-Técnics, University of Barcelona, Spain

    J. Portillo

Authors
  1. A.B. Velichenko
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. J. Portillo
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. M. Sarret
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. C. Muller
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Velichenko, A., Portillo, J., Sarret, M. et al. Zinc dissolution in ammonium chloride electrolytes. Journal of Applied Electrochemistry 29, 1119–1123 (1999). https://doi.org/10.1023/A:1003685326062

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1003685326062

Search

Navigation