Electrochemical behavior of magnesium and aluminium ions in alkali chloride melt

Xi Zhang, Shuqiang Jiao, Saijun Xiao, Hongmin Zhu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Citations (Scopus)

Abstract

The electrodeposition of aluminium and magnesium in lithium chloride-sodium chloride (mass 5:1) melt at 700°C has been studied using cyclic voltammetry, square wave voltammetry and chronopotentiometry. The reduction of aluminium and magnesium ions on tungsten electrode are both reversible processes, with three and two electrons exchanged: Al3+3c→Al, Mg2++2e→Mg. The diffusion coefficients of Al3+ and Mg2+ were determined as 2.72 × 10-5 cm2 s-1 and 1.58 × 10-4cm2 s-1 respectively. A laboratory test of the direct production for the Mg-Al alloy was performed to show the feasibility of electrochemical co-deposition of magnesium base alloys.

Original languageEnglish
Title of host publicationMagnesium - Science, Technology and Applications, Mg - Proceedings of the International Conference on Magnesium - Science, Technology and Applications
PublisherTrans Tech Publications Ltd
Pages811-815
Number of pages5
ISBN (Print)0878499687, 9780878499687
DOIs
Publication statusPublished - 2005
EventInternational Conference on Magnesium - Science, Technology and Applications - Beijing, China
Duration: 2004 Sept 202004 Sept 24

Publication series

NameMaterials Science Forum
Volume488-489
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

ConferenceInternational Conference on Magnesium - Science, Technology and Applications
Country/TerritoryChina
CityBeijing
Period04/9/2004/9/24

Keywords

  • Alkali chloride melt
  • Co-deposition
  • Electrochemical behavior

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