Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes

Gschneidner, Karl A.; Schmidt, Frederick A.

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Title: Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes

Abstract

A carbothermic reduction method is provided for reducing a La-, Ce-, MM-, and/or Y-containing oxide in the presence of carbon and a source of a reactant element comprising Si, Ge, Sn, Pb, As, Sb, Bi, and/or P to form an intermediate alloy material including a majority of La, Ce, MM, and/or Y and a minor amount of the reactant element. The intermediate material is useful as a master alloy for in making negative electrode materials for a metal hydride battery, as hydrogen storage alloys, as master alloy additive for addition to a melt of commercial Mg and Al alloys, steels, cast irons, and superalloys; or in reducing Sm2O3 to Sm metal for use in Sm—Co permanent magnets.

Inventors:: Gschneidner, Jr., Karl A.; Schmidt, Frederick A.

Issue Date:: Tue Oct 08 00:00:00 EDT 2019

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1576436

Patent Number(s):: 10435770

Application Number:: 15/330,895

Assignee:: Iowa State University Research Foundation, Inc. (Ames, IA)

Patent Classifications (CPCs):: C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS

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

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C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C1/00 - Making alloys
C22C1/06 - with the use of special agents for refining or deoxidising
C22C28/00 - Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
C22C30/00 - Alloys containing less than 50% by weight of each constituent

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M10/30 - Nickel accumulators
H01M10/345 - {Gastight metal hydride accumulators}
H01M4/242 - {Hydrogen storage electrodes}
H01M4/383 - {Hydrogen absorbing alloys}
H01M4/385 - {of the type LaNi5}
H01M4/58 - of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M4/662 - {Alloys

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

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P70/50 - Manufacturing or production processes characterised by the final manufactured product

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DOE Contract Number:: AC02-07CH11358

Resource Type:: Patent

Resource Relation:: Patent File Date: 2016 Nov 10

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 25 ENERGY STORAGE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Gschneidner, Jr., Karl A., and Schmidt, Frederick A. Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes.  United States: N. p., 2019. 
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                    Gschneidner, Jr., Karl A., & Schmidt, Frederick A. Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes.  United States.

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                    Gschneidner, Jr., Karl A., and Schmidt, Frederick A. Tue .  
        "Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes".  United States.  https://www.osti.gov/servlets/purl/1576436.

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@article{osti_1576436,

  title        = {Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes},

  author       = {Gschneidner, Jr., Karl A. and Schmidt, Frederick A.},

  abstractNote = {A carbothermic reduction method is provided for reducing a La-, Ce-, MM-, and/or Y-containing oxide in the presence of carbon and a source of a reactant element comprising Si, Ge, Sn, Pb, As, Sb, Bi, and/or P to form an intermediate alloy material including a majority of La, Ce, MM, and/or Y and a minor amount of the reactant element. The intermediate material is useful as a master alloy for in making negative electrode materials for a metal hydride battery, as hydrogen storage alloys, as master alloy additive for addition to a melt of commercial Mg and Al alloys, steels, cast irons, and superalloys; or in reducing Sm2O3 to Sm metal for use in Sm—Co permanent magnets.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Oct 08 00:00:00 EDT 2019},

  month        = {Tue Oct 08 00:00:00 EDT 2019}

}

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