SYNTHESIS OF NANOSTRUCTURED ALPHA LITHIUM ALUMINATE

The invention relates to a process for producing alpha lithium aluminate comprising the following steps: 1) preparing an aqueous dispersion comprising a fumed alumina, a lithium oxide precursor compound soluble in water and an alkali metal and/or an ammonium carbonate; 2) Spray drying of the dispers...

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Bibliographic Details
Main Authors Müller, Sven, Schmidt, Franz, Dr, Panz, Christian, Dr, Takata, Ryo, Vieth, Sebastian
Format Patent
LanguageEnglish
French
German
Published 23.03.2022
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The invention relates to a process for producing alpha lithium aluminate comprising the following steps: 1) preparing an aqueous dispersion comprising a fumed alumina, a lithium oxide precursor compound soluble in water and an alkali metal and/or an ammonium carbonate; 2) Spray drying of the dispersion prepared in step 1) to obtain a dried powder; 3) Calcining the dried powder obtained in step 2) at a temperature of from 450°C to 750°C. Lithium aluminate obtainable by this process can be used in lithium ion batteries.
Bibliography:Application Number: EP20200197533