Method of preparing an electrochemical cell in uncharged state

Title: Method of preparing an electrochemical cell in uncharged state

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Abstract

A secondary electrochemical cell is assembled in an uncharged state for the preparation of a lithium alloy-transition metal sulfide cell. The negative electrode includes a material such as aluminum or silicon for alloying with lithium as the cell is charged. The positive electrode is prepared by blending particulate lithium sulfide, transition metal powder and electrolytic salt in solid phase. The mixture is simultaneously heated to a temperature in excess of the melting point of the electrolyte and pressed onto an electrically conductive substrate to form a plaque. The plaque is assembled as a positive electrode within the cell. During the first charge cycle lithium alloy is formed within the negative electrode and transition metal sulfide such as iron sulfide is produced within the positive electrode.

Inventors:

Shimotake, Hiroshi ^[1]; Bartholme, Louis G ^[2]; Arntzen, John D ^[3]

Hinsdale, IL
Joliet, IL
Naperville, IL

Issue Date:: 1977-02-01

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

OSTI Identifier:: 862758

Patent Number(s):: 4006034

Assignee:: United States of America as represented by United States Energy (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 Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

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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
H01M2300/0048 - Molten electrolytes used at high temperature
H01M4/0461 - {Electrochemical alloying}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T29/49108 - Electric battery cell making

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

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators
H01M4/5815 - {Sulfides}
H01M4/661 - {Metal or alloys, e.g. alloy coatings
H01M2004/027 - {Negative electrodes}
H01M4/808 - {Foamed, spongy materials}
H01M4/043 - {involving compressing or compaction}
H01M4/581 - {Chalcogenides or intercalation compounds thereof}
H01M10/399 - {Cells with molten salts}
H01M4/044 - {Activating, forming or electrochemical attack of the supporting material}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T29/49115 - including coating or impregnating

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M2004/028 - {Positive electrodes}
H01M4/405 - {Alloys based on lithium}

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; preparing; electrochemical; cell; uncharged; secondary; assembled; preparation; lithium; alloy-transition; metal; sulfide; negative; electrode; material; aluminum; silicon; alloying; charged; positive; prepared; blending; particulate; transition; powder; electrolytic; salt; solid; phase; mixture; simultaneously; heated; temperature; excess; melting; electrolyte; pressed; electrically; conductive; substrate; form; plaque; charge; cycle; alloy; formed; iron; produced; electrolytic salt; iron sulfide; conductive substrate; metal sulfide; secondary electrochemical; positive electrode; negative electrode; electrochemical cell; electrically conductive; transition metal; lithium alloy; solid phase; metal powder; lithium sulfide; charge cycle; sulfide cell; particulate lithium; /29/429/

Citation Formats


                    Shimotake, Hiroshi, Bartholme, Louis G, and Arntzen, John D. Method of preparing an electrochemical cell in uncharged state.  United States: N. p., 1977. 
        Web.

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                    Shimotake, Hiroshi, Bartholme, Louis G, & Arntzen, John D. Method of preparing an electrochemical cell in uncharged state.  United States.

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                    Shimotake, Hiroshi, Bartholme, Louis G, and Arntzen, John D. Tue .  
        "Method of preparing an electrochemical cell in uncharged state".  United States.  https://www.osti.gov/servlets/purl/862758.

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@article{osti_862758,

  title        = {Method of preparing an electrochemical cell in uncharged state},

  author       = {Shimotake, Hiroshi and Bartholme, Louis G and Arntzen, John D},

  abstractNote = {A secondary electrochemical cell is assembled in an uncharged state for the preparation of a lithium alloy-transition metal sulfide cell. The negative electrode includes a material such as aluminum or silicon for alloying with lithium as the cell is charged. The positive electrode is prepared by blending particulate lithium sulfide, transition metal powder and electrolytic salt in solid phase. The mixture is simultaneously heated to a temperature in excess of the melting point of the electrolyte and pressed onto an electrically conductive substrate to form a plaque. The plaque is assembled as a positive electrode within the cell. During the first charge cycle lithium alloy is formed within the negative electrode and transition metal sulfide such as iron sulfide is produced within the positive electrode.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1977},

  month        = {2}

}

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