Thermal electrolytic production of Mg from MgO: Reflections on commercial viability

R. Palumbo, M. Korenko, C. Larson, L. J. Venstrom, S. Duncan, S. Nudehi, J. Schoer, J. Toberman, W. Prusinksi, D. Johnson, B. Robbinson, S. Barkely, K. Warren, R. Diver, F. Šimko, M. Boča

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

We are exploring the commercial viability for producing Mg from MgO for which thermal energy is supplied to the cell as a substitute for some electric energy. The thermal input source may be concentrated sunlight or natural gas. Laboratory-scale electrochemical studies near 1250 K for two cell concepts show that we reached current densities above 0.5 A-cm2 at an overvoltage of 1.0 V. Current efficiency values exceeded 80%. The discussion of the relationship between these bench-top experimental results and the industrial potential of the process has been initiated.

Original languageEnglish (US)
Title of host publicationMagnesium Technology 2015 - Held During TMS 2015 144th Annual Meeting and Exhibition
EditorsMichele V. Manuel, Alok Singh, Martyn Alderman, Martyn Alderman, Neale R. Neelameggham
PublisherMinerals, Metals and Materials Society
Pages43-48
Number of pages6
ISBN (Electronic)9781119082439
DOIs
StatePublished - 2015
Externally publishedYes
EventMagnesium Technology 2015 - TMS 2015 144th Annual Meeting and Exhibition - Orlando, United States
Duration: Mar 15 2015Mar 19 2015

Publication series

NameMagnesium Technology
Volume2015-January
ISSN (Print)1545-4150

Other

OtherMagnesium Technology 2015 - TMS 2015 144th Annual Meeting and Exhibition
Country/TerritoryUnited States
CityOrlando
Period3/15/153/19/15

Bibliographical note

Publisher Copyright:
Copyright © 2015 by The Minerals, Metals & Materials Society.

Keywords

  • Mg
  • MgO
  • Thermal electrolysis process

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