Stable inert anodes including an oxide of nickel, iron and aluminum
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United States of America Patent
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Apr 25, 2006
Grant Date -
May 13, 2004
app pub date -
Nov 8, 2002
filing date -
Nov 8, 2002
priority date (Note) -
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Abstract
Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise oxides of Ni, Fe and Al. The Ni—Fe—Al oxide inert anode materials have sufficient electrical conductivity at operation temperatures of aluminum production cells, and also possess good mechanical stability. The Ni—Fe—Al oxide inert anodes may be used to produce commercial purity aluminum.
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