Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode
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United States of America Patent
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Sep 16, 2008
Grant Date -
Mar 15, 2007
app pub date -
Oct 5, 2004
filing date -
Oct 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The purpose of the invention is a process for making a solid part designed to form all or part of an anode for the production of aluminium by fused bath electrolysis, containing a cermet formed from at least one metallic oxide such as a mixed oxide with spinel structure, and at least one metallic phase, in which a mixed oxide is used containing a metal R in the form of a cation in its chemical structure, the said metal R being fully or partly reducible by a reduction operation during the manufacturing process, so as to form all or part of the said metallic phase. This process can provide a cermet with a uniform distribution of fine metallic particles.
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