Title: Fabrication of highly textured lithium cobalt oxide films by rapid thermal annealing

Abstract

Systems and methods are described for fabrication of highly textured lithium cobalt oxide films by rapid thermal annealing. A method of forming a lithium cobalt oxide film includes depositing a film of lithium cobalt oxide on a substrate; rapidly heating the film of lithium cobalt oxide to a target temperature; and maintaining the film of lithium cobalt oxide at the target temperature for a target annealing time of at most, approximately 60 minutes. The systems and methods provide advantages because they require less time to implement and are, therefore less costly than previous techniques.

Inventors:

Bates, John B ^[1]

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1. Marietta, GA

Issue Date:

Tue Jan 01 00:00:00 EST 2002

Research Org.:

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:

874226

Patent Number(s):

6344366

Assignee:

Lockheed Martin Energy Research Corporation (Oak Ridge, TN)

Patent Classifications (CPCs):

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

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C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C01G51/42 - {containing alkali metals, e.g. LiCoO2}

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

C01P2002/72 - by d-values or two theta-values, e.g. as X-ray diagram
C01P2002/74 - by peak-intensities or a ratio thereof only

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

H01M4/04 - Processes of manufacture in general
H01M4/0404 - {by coating on electrode collectors}
H01M4/0426 - {Sputtering}
H01M4/0471 - {involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis}
H01M4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M4/485 - of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M4/52 - of nickel, cobalt or iron
H01M4/525 - of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

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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DOE Contract Number:  

AC05-96OR22464

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

fabrication; highly; textured; lithium; cobalt; oxide; films; rapid; thermal; annealing; systems; methods; described; method; forming; film; depositing; substrate; rapidly; heating; target; temperature; maintaining; time; approximately; 60; minutes; provide; advantages; require; implement; costly; previous; techniques; methods provide; cobalt oxide; thermal annealing; /438/429/