CATHODE ACTIVE MATERIAL AND METHOD FOR MAKING SUCH CATHODE ACTIVE MATERIAL

Cathode active material in particulate form with a mean particle diameter in the range from 2 to 16 µm (D50), wherein the cathode active material has the composition Li1+xTM1-xO2 wherein x is in the range of from 0.1 to 0.2 and TM is a combination of elements according to general formula (I), (NiaCo...

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Bibliographic Details
Main Authors TEUFL, Tobias, Maximilian, BERGNER, Benjamin, Johannes, Herbert
Format Patent
LanguageEnglish
French
German
Published 14.12.2022
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Summary:Cathode active material in particulate form with a mean particle diameter in the range from 2 to 16 µm (D50), wherein the cathode active material has the composition Li1+xTM1-xO2 wherein x is in the range of from 0.1 to 0.2 and TM is a combination of elements according to general formula (I), (NiaCobMnc)1-d-eM1dM2e where the variables are each defined as follows: a is in the range from 0.20 to 0.40, b is in the range of from zero to 0.15, c is in the range of from 0.50 to 0.75, d is in the range of from zero to 0.015, and e is in the range of from zero to 0.02, M1 is selected from Al, Ti, Zr, Mo, W, Fe, Nb, and Mg, M2 is selected from B and K, with a + b + c = 1.0 wherein said composite oxide has a specific surface (BET) in the range from 0.5 m2/gto 10 m2/gand a pressed density of at least 2.9 g/cm3, and wherein said cathode active material has an average primary particle diameter in the range of from 200 to 3,000 nm.
Bibliography:Application Number: EP20210702444