Lithium-aluminum-magnesium electrode composition

Melendres, Carlos A; Siegel, Stanley

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Title: Lithium-aluminum-magnesium electrode composition

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Abstract

A negative electrode composition is presented for use in a secondary, high-temperature electrochemical cell. The cell also includes a molten salt electrolyte of alkali metal halides or alkaline earth metal halides and a positive electrode including a chalcogen or a metal chalcogenide as the active electrode material. The negative electrode composition includes up to 50 atom percent lithium as the active electrode constituent and a magnesium-aluminum alloy as a structural matrix. Various binary and ternary intermetallic phases of lithium, magnesium, and aluminum are formed but the electrode composition in both its charged and discharged state remains substantially free of the alpha lithium-aluminum phase and exhibits good structural integrity.

Inventors:

Melendres, Carlos A ^[1]; Siegel, Stanley ^[2]

Bolingbrook, IL
Downers Grove, IL

Issue Date:: 1978-01-01

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

OSTI Identifier:: 863242

Patent Number(s):: 4130500

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

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

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

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M4/40 - Alloys based on alkali metals
H01M4/46 - Alloys based on magnesium or aluminium

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

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: lithium-aluminum-magnesium; electrode; composition; negative; secondary; high-temperature; electrochemical; cell; molten; salt; electrolyte; alkali; metal; halides; alkaline; earth; positive; including; chalcogen; chalcogenide; active; material; 50; atom; percent; lithium; constituent; magnesium-aluminum; alloy; structural; matrix; various; binary; ternary; intermetallic; phases; magnesium; aluminum; formed; charged; discharged; remains; substantially; free; alpha; lithium-aluminum; phase; exhibits; integrity; metallic phase; temperature electrochemical; atom percent; metal halides; active electrode; substantially free; positive electrode; negative electrode; alkali metal; electrochemical cell; molten salt; alkaline earth; metal halide; electrode material; earth metal; salt electrolyte; aluminum alloy; electrode composition; structural integrity; electrode including; metal chalcogenide; remains substantially; ternary intermetallic; intermetallic phase; intermetallic phases; high-temperature electrochemical; /252/420/429/

Citation Formats


                    Melendres, Carlos A, and Siegel, Stanley. Lithium-aluminum-magnesium electrode composition.  United States: N. p., 1978. 
        Web.

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                    Melendres, Carlos A, & Siegel, Stanley. Lithium-aluminum-magnesium electrode composition.  United States.

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                    Melendres, Carlos A, and Siegel, Stanley. Sun .  
        "Lithium-aluminum-magnesium electrode composition".  United States.  https://www.osti.gov/servlets/purl/863242.

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@article{osti_863242,

  title        = {Lithium-aluminum-magnesium electrode composition},

  author       = {Melendres, Carlos A and Siegel, Stanley},

  abstractNote = {A negative electrode composition is presented for use in a secondary, high-temperature electrochemical cell. The cell also includes a molten salt electrolyte of alkali metal halides or alkaline earth metal halides and a positive electrode including a chalcogen or a metal chalcogenide as the active electrode material. The negative electrode composition includes up to 50 atom percent lithium as the active electrode constituent and a magnesium-aluminum alloy as a structural matrix. Various binary and ternary intermetallic phases of lithium, magnesium, and aluminum are formed but the electrode composition in both its charged and discharged state remains substantially free of the alpha lithium-aluminum phase and exhibits good structural integrity.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1978},

  month        = {1}

}

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