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Title: Oxygen-producing inert anodes for SOM process

Patent ·
OSTI ID:1126423

An electrolysis system for generating a metal and molecular oxygen includes a container for receiving a metal oxide containing a metallic species to be extracted, a cathode positioned to contact a metal oxide housed within the container; an oxygen-ion-conducting membrane positioned to contact a metal oxide housed within the container; an anode in contact with the oxygen-ion-conducting membrane and spaced apart from a metal oxide housed within the container, said anode selected from the group consisting of liquid metal silver, oxygen stable electronic oxides, oxygen stable crucible cermets, and stabilized zirconia composites with oxygen stable electronic oxides.

Research Organization:
Boston University, Boston, MA, USA
Sponsoring Organization:
USDOE
DOE Contract Number:
FC36-04GO14011
Assignee:
The Trustees of Boston University (Boston, MA)
Patent Number(s):
8,658,007
Application Number:
11/994,806
OSTI ID:
1126423
Country of Publication:
United States
Language:
English

References (22)

Electrolytic Cell Apparatus patent May 1971
Electrolytic method and apparatus for refractory metals using a hollow carbon electrode patent May 1978
Method and apparatus for separating a metal from a salt thereof patent August 1978
Apparatus for simultaneous generation of alkali metal species and oxygen gas patent February 1989
Gas permeable electrode for electrochemical system patent September 1989
Apparatus for the electrochemical separation of oxygen patent March 1990
Apparatus and process for the electrolytic reduction of uranium and plutonium oxides patent February 1991
Process for the electrolytic production of magnesium patent February 1992
Method for refining molten metals and recovering metals from slags patent May 1994
Composition for extracting oxygen from fluid streams patent January 1995
Method of assembling tubular electrochemical oxygen generators patent March 1995
Inert gas purifying system patent October 1995
Apparatus for refining a low carbon steel melt patent October 1996
Method and apparatus for metal extraction and sensor device related thereto patent November 1999
Inert anode containing base metal and noble metal useful for the electrolytic production of aluminum patent December 2000
Cermet electrodes containing platinum for the electrochemical reduction of oxygen patent-application March 2004
Method for electrowinning of titanium metal or alloy from titanium oxide containing compound in the liquid state patent-application October 2004
Electrochemical reduction of metal oxides patent-application August 2006
Inorganic solid state chemically sensitive devices: electrochemical oxygen gas sensors journal October 1987
Potentiostatic step technique to study ionic transport in mixed conductors journal September 1994
Electronically driven transport of oxygen from liquid iron to CO + CO2 gas mixtures through stabilized zirconia journal September 1981
Correlations of electrical conductivity to slag composition and temperature journal February 1988

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