The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions

Tibor Kulcsár, Zsolt Dobó, T. Kékesi

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

A flexible and efficient process of tin electrorefining has been devised, using aqueous solutions of relatively low HCl and tin chloride concentrations. Any additives have been avoided, which enhances purity but also incurs the difficulty of obtaining compact cathode deposits. This feature is however assisted by the natural inhibition in complexing chloride solutions and the modulation of the current. Due to the rough dendritic crystal growth, special provisions are required to avoid short circuiting. Using short pulses in the 50-250 μs range of periodically reversed or interrupted currents, the lengths of the usually large dendrites can be moderated. The periodic current with extremely short cycle times and special electrode arrangement can be utilized for averting short circuits and for achieving better coverage of the cathode surface. This technique can be applied efficiently to obtain pure tin from soldering waste materials.

Original languageEnglish
Title of host publicationMaterials Science Forum
PublisherTrans Tech Publications Ltd
Pages294-303
Number of pages10
Volume752
ISBN (Print)9783037856659
DOIs
Publication statusPublished - 2013

Publication series

NameMaterials Science Forum
Volume752
ISSN (Print)02555476

Fingerprint

Tin
impulses
tin
Cathodes
chlorides
Soldering
electrorefining
Crystallization
cathodes
dendritic crystals
Short circuit currents
Chlorides
soldering
Deposits
short circuits
Modulation
dendrites
Crystal growth
Electrodes
crystal growth

Keywords

  • Cathode deposit
  • Current interruption
  • Current reversal
  • Dendrites
  • Electrorefining
  • Micro-impulse
  • Morphology
  • Tin

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Kulcsár, T., Dobó, Z., & Kékesi, T. (2013). The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions. In Materials Science Forum (Vol. 752, pp. 294-303). (Materials Science Forum; Vol. 752). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.752.294

The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions. / Kulcsár, Tibor; Dobó, Zsolt; Kékesi, T.

Materials Science Forum. Vol. 752 Trans Tech Publications Ltd, 2013. p. 294-303 (Materials Science Forum; Vol. 752).

Research output: Chapter in Book/Report/Conference proceedingChapter

Kulcsár, T, Dobó, Z & Kékesi, T 2013, The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions. in Materials Science Forum. vol. 752, Materials Science Forum, vol. 752, Trans Tech Publications Ltd, pp. 294-303. https://doi.org/10.4028/www.scientific.net/MSF.752.294
Kulcsár T, Dobó Z, Kékesi T. The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions. In Materials Science Forum. Vol. 752. Trans Tech Publications Ltd. 2013. p. 294-303. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.752.294
Kulcsár, Tibor ; Dobó, Zsolt ; Kékesi, T. / The effect of micro-impulse current on the morphology of tin electrodeposited from chloride solutions. Materials Science Forum. Vol. 752 Trans Tech Publications Ltd, 2013. pp. 294-303 (Materials Science Forum).
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