Inert anode containing base metal and noble metal useful for the electrolytic production of aluminum

Patent · Fri Dec 31 23:00:00 EST 1999

OSTI ID:873448

Ray, Siba P ^[1]; Liu, Xinghua ^[2]

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1. Murrysville, PA
2. Monroeville, PA

An inert anode for production of metals such as aluminum is disclosed. The inert anode comprises a base metal selected from Cu and Ag, and at least one noble metal selected from Ag, Pd, Pt, Au, Rh, Ru, Ir and Os. The inert anode may optionally be formed of sintered particles having interior portions containing more base metal than noble metal and exterior portions containing more noble metal than base metal. In a preferred embodiment, the base metal comprises Cu, and the noble metal comprises Ag, Pd or a combination thereof.

• Research Organization: Alcoa Technical Center/Aluminum Company of America (US)
• DOE Contract Number: FC07-98ID13666
• Assignee: Alcoa Inc. (Pittsburgh, PA)
• Patent Number(s): US 6162334
• OSTI ID: 873448
• Country of Publication: United States
• Language: English

Related Subjects

/204/75/205/
aluminum
anode
anode comprises
anode containing
base
base metal
combination
comprises
containing
containing base
cu
disclosed
electrolytic
electrolytic production
embodiment
exterior
exterior portion
formed
inert
inert anode
interior
interior portion
metal
metal comprises
metal selected
metals
noble
noble metal
node comprises
optionally
particles
pd
portions
preferred
preferred embodiment
production
ru
selected
sintered
useful