Electrodeposition of Fe-Sn from the chloride-based electrolyte

S. Mrkonjić Zajkoska, R. Mann, W. Hansal, S. Roy, W. Kautek

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The conditions for electrodeposition of Fe-Sn alloys from a novel, environmentally friendly, ferrous chloride-based electrolyte were studied. The influence of the pH on the electrolyte stability and deposit stoichiometry was studied and discussed. Anodic stripping voltammetry (ASV), XRD and SEM/EDX were used to characterise the electrodeposited phases. The results from ASVs indicated the possibility to deposit at least two different phases at high overpotentials. Hull cell depositions in an electrolyte with a Sn to Fe ratio 1:1 and a pH value of 2.8 showed regular deposition of Fe-Sn. Fe-rich deposits (54.84 at.-%) were obtained from an electrolyte with Sn to Fe ratio 1:10. The XRD results were compatible with the electrochemical investigations. In all studied samples β-Sn, FeSn2 and Fe5Sn3 were detected. The presence of ferromagnetic Fe5Sn3 was not influenced by the Sn to Fe ions ratio in the electrolyte.

Original languageEnglish
Pages (from-to)247-253
Number of pages7
JournalTransactions of the Institute of Metal Finishing
Issue number5
Early online date27 Aug 2019
Publication statusE-pub ahead of print - 27 Aug 2019


  • anodic stripping voltammetry
  • chloride
  • ferrous-stannous electrolyte
  • hull cell
  • tin-iron electrodeposition
  • XRD


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