Method of preparing a sintered lithium aluminate structure for containing electrolyte

Sim, James W; Kinoshita, Kimio

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Title: Method of preparing a sintered lithium aluminate structure for containing electrolyte

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Abstract

A porous sintered tile is formed of lithium aluminate for retaining molten lectrolyte within a fuel cell. The tile is prepared by reacting lithium hydroxide in aqueous solution with alumina particles to form beta lithium aluminate particles. The slurry is evaporated to dryness and the solids dehydrated to form a beta lithium aluminate powder. The powder is compacted into the desired shape and sintered at a temperature in excess of 1200 K. but less than 1900 K. to form a porous integral structure that is subsequently filled with molten electrolyte. A tile of this type is intended for use in containing molten alkali metal carbonates as electolyte for use in a fuel cell having porous metal or metal oxide electrodes for burning a fuel gas such as hydrogen and/or carbon monoxide with an oxidant gas containing oxygen.

Inventors:

Sim, James W ^[1]; Kinoshita, Kimio ^[2]

Evergreen Park, IL
Cupertino, CA

Issue Date:: Thu Jan 01 00:00:00 EST 1981

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

OSTI Identifier:: 863799

Patent Number(s):: 4251600

Assignee:: United States of America as represented by Department of Energy (Washington, DC)

Patent Classifications (CPCs):: C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01F - COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

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C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01F - COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
C01F7/043 - {Lithium aluminate}

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
C04B35/113 - based on beta-aluminium oxide

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M2300/0048 - Molten electrolytes used at high temperature
H01M8/0295 - Matrices for immobilising electrolyte melts

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/10 - Energy storage
Y02E60/50 - Fuel cells

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; preparing; sintered; lithium; aluminate; structure; containing; electrolyte; porous; tile; formed; retaining; molten; lectrolyte; fuel; cell; prepared; reacting; hydroxide; aqueous; solution; alumina; particles; form; beta; slurry; evaporated; dryness; solids; dehydrated; powder; compacted; desired; shape; temperature; excess; 1200; 1900; integral; subsequently; filled; type; intended; alkali; metal; carbonates; electolyte; oxide; electrodes; burning; gas; hydrogen; carbon; monoxide; oxidant; oxygen; lithium hydroxide; metal carbonates; oxide electrode; containing molten; fuel cell; containing electrolyte; alumina particles; lithium aluminate; porous metal; oxidant gas; gas containing; molten electrolyte; fuel gas; carbon monoxide; alkali metal; metal oxide; aqueous solution; molten alkali; desired shape; containing oxygen; porous sintered; metal carbonate; subsequently filled; retaining molten; oxide electrodes; metal carbon; porous integral; aluminate particles; /429/264/

Citation Formats


                    Sim, James W, and Kinoshita, Kimio. Method of preparing a sintered lithium aluminate structure for containing electrolyte.  United States: N. p., 1981. 
        Web.

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                    Sim, James W, & Kinoshita, Kimio. Method of preparing a sintered lithium aluminate structure for containing electrolyte.  United States.

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                    Sim, James W, and Kinoshita, Kimio. Thu .  
        "Method of preparing a sintered lithium aluminate structure for containing electrolyte".  United States.  https://www.osti.gov/servlets/purl/863799.

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@article{osti_863799,

  title        = {Method of preparing a sintered lithium aluminate structure for containing electrolyte},

  author       = {Sim, James W and Kinoshita, Kimio},

  abstractNote = {A porous sintered tile is formed of lithium aluminate for retaining molten lectrolyte within a fuel cell. The tile is prepared by reacting lithium hydroxide in aqueous solution with alumina particles to form beta lithium aluminate particles. The slurry is evaporated to dryness and the solids dehydrated to form a beta lithium aluminate powder. The powder is compacted into the desired shape and sintered at a temperature in excess of 1200 K. but less than 1900 K. to form a porous integral structure that is subsequently filled with molten electrolyte. A tile of this type is intended for use in containing molten alkali metal carbonates as electolyte for use in a fuel cell having porous metal or metal oxide electrodes for burning a fuel gas such as hydrogen and/or carbon monoxide with an oxidant gas containing oxygen.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jan 01 00:00:00 EST 1981},

  month        = {Thu Jan 01 00:00:00 EST 1981}

}

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