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Title: Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals

Abstract

An inert anode for the electrolytic production of metals such as aluminum is disclosed. The inert anode includes a ceramic oxide material preferably made from NiO, Fe.sub.2 O.sub.3 and ZnO. The inert anode composition may comprise the following mole fractions of NiO, Fe.sub.2 O.sub.3 and ZnO: 0.2 to 0.99 NiO; 0.0001 to 0.8 Fe.sub.2 O.sub.3 ; and 0.0001 to 0.3 ZnO. The inert anode may optionally include other oxides and/or at least one metal phase, such as Cu, Ag, Pd, Pt, Au, Rh, Ru, Ir and/or Os. The Ni--Fe--Co--O ceramic material exhibits very low solubility in Hall cell baths used to produce aluminum.

Inventors:
 [1];  [1];  [2]
  1. (Murrysville, PA)
  2. (Monroeville, PA)
Issue Date:
Research Org.:
Alcoa Technical Center/Aluminum Company of America (US)
OSTI Identifier:
874610
Patent Number(s):
6423195
Assignee:
Alcoa Inc. (Pittsburgh, PA) IDO
DOE Contract Number:  
FC07-98ID13666
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
inert; anode; containing; oxides; nickel; iron; zinc; useful; electrolytic; production; metals; aluminum; disclosed; ceramic; oxide; material; nio; fesub2; osub3; zno; composition; following; mole; fractions; 02; 099; 00001; 08; 03; optionally; andor; metal; phase; pd; ru; ni-fe-co-o; exhibits; solubility; cell; baths; produce; ceramic material; inert anode; /204/205/

Citation Formats

Ray, Siba P., Weirauch, Jr., Douglas A., and Liu, Xinghua. Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals. United States: N. p., 2002. Web.
Ray, Siba P., Weirauch, Jr., Douglas A., & Liu, Xinghua. Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals. United States.
Ray, Siba P., Weirauch, Jr., Douglas A., and Liu, Xinghua. Tue . "Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals". United States. https://www.osti.gov/servlets/purl/874610.
@article{osti_874610,
title = {Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals},
author = {Ray, Siba P. and Weirauch, Jr., Douglas A. and Liu, Xinghua},
abstractNote = {An inert anode for the electrolytic production of metals such as aluminum is disclosed. The inert anode includes a ceramic oxide material preferably made from NiO, Fe.sub.2 O.sub.3 and ZnO. The inert anode composition may comprise the following mole fractions of NiO, Fe.sub.2 O.sub.3 and ZnO: 0.2 to 0.99 NiO; 0.0001 to 0.8 Fe.sub.2 O.sub.3 ; and 0.0001 to 0.3 ZnO. The inert anode may optionally include other oxides and/or at least one metal phase, such as Cu, Ag, Pd, Pt, Au, Rh, Ru, Ir and/or Os. The Ni--Fe--Co--O ceramic material exhibits very low solubility in Hall cell baths used to produce aluminum.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {1}
}

Patent:

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