Reduction behavior of cerium (III) ions in NaCl-2CsCl melt

Xue Qi, Komin Shu

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The cathodic process of cerium (III) ions in NaCl-2CsCl melt was studied by cyclic voltammetry and square wave voltammetry with tungsten and gold electrodes at 873 K. The two electroanalytical methods yield similar results. The cathodic process of cerium (III) ions consists of two reversible steps: Ce3++ e- = Ce2+ and Ce2++ 2e- = Ce. The half wave potentials of Ce3+/Ce2+ and Ce2+/Ce were determined as -2.525 V vs. Cl2/Cl- and -2.975 V vs. Cl2/Cl- respectively. The diffusion coefficient of Ce3+ was also determined as 5.5 × 10-5 cm2·s-1.

Original languageEnglish
Pages (from-to)8-14
Number of pages7
JournalRare Metals
Volume24
Issue number1
Publication statusPublished - 2005 Mar 1
Externally publishedYes

Keywords

  • Cathodic process
  • Cerium
  • Cyclic voltammetry
  • Molten salt
  • Square wave voltammetry

ASJC Scopus subject areas

  • Materials Science(all)
  • Metals and Alloys

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