Protection of an Aluminum Electrolyzer Carbon-Graphite Lining by a Lithium Intercalation Layer

The problem of improving the life of carbon-graphite lining material used in aluminium electrolyzers under conditions of a high-temperature molten cryolite-alumina medium is discussed. An active effect is established for lithium on the change in graphite structural layers due to their growth as a re...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2014-07, Vol.55 (2), p.81-83
Main Authors: Bazhin, V. Yu, Feshchenko, R. Yu, Saitov, A. V., Kuznetsova, E. A.
Format: Article
Language:English
Subjects:
Aluminum
Aluminum oxide
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Graphite
Materials Science
Natural Materials
Refractories in Heating Units
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Summary:The problem of improving the life of carbon-graphite lining material used in aluminium electrolyzers under conditions of a high-temperature molten cryolite-alumina medium is discussed. An active effect is established for lithium on the change in graphite structural layers due to their growth as a result of intercalation. An improvement in electrolyzer carbon-graphite lining properties is confirmed by a series of experiments performed with different carbon materials.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-014-9664-5