Electrochemical migration of tin in thin electrolyte layer containing chloride ions

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Abstract

The electrochemical migration of tin in thin electrolyte layers (TELs) containing chloride ions was investigated using in situ electrochemical and optical techniques, as well as ex situ characterization. The results show that tin dendrites co-exist with precipitates in both low and high chloride concentrations, however, in intermediate chloride concentration, no tin dendrites but only precipitates mainly consisting of stannic compounds were observed. The higher bias voltage is applied, the faster rate of ions migration is. Mechanisms have also been proposed to explain the electrochemical migration behaviors.

Original languageEnglish
Pages (from-to)71-82
Number of pages12
JournalCorrosion Science
Volume74
DOIs
StatePublished - Sep 2013
Externally publishedYes

Keywords

  • A. Tin
  • B. SEM
  • B. XPS
  • C. Anodic dissolution

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