Visualization of TiO2 Reduction Behavior in Molten Salt Electrolysis

Shungo Natsui, Takuya Sudo, Ryota Shibuya, Hiroshi Nogami, Tatsuya Kikuchi, Ryosuke O. Suzuki

Research output: Contribution to journalArticle

Abstract

An in situ observation technique of the TiO2 interfacial behavior in molten LiCl-KCl electrolysis was developed. The variation of the thin TiO2 electrode surface were tracked through the high-speed digital microscopy synchronized with the electrochemical measurement. Two characteristic interfacial behaviors were discovered: physical breakage of the titanium oxide and Li(l) spreading on electrode surface. These electrochemically induced interfacial behaviors affect the current-time curves due to the heterogeneity of the titanium oxide film shape.

Original languageEnglish
Pages (from-to)11-15
Number of pages5
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume51
Issue number1
DOIs
Publication statusPublished - 2020 Feb 1

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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