NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

A nickel-based lithium metal composite oxide including secondary particles including aggregates of primary particles, wherein the secondary particles include i) large secondary particles having a particle size of at least about 14 µm and including aluminium and ii) small secondary particles having a...

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Bibliographische Detailangaben
Hauptverfasser: SHIN, Dongwook, JANG, Jungsue, SHIM, Jaeha, SONG, Jayhyok
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:A nickel-based lithium metal composite oxide including secondary particles including aggregates of primary particles, wherein the secondary particles include i) large secondary particles having a particle size of at least about 14 µm and including aluminium and ii) small secondary particles having a particle size of no more than about 5 µm and including manganese, and a manganese content by mole percent of each of the large secondary particles is smaller than a manganese content by mole percent of each of the small secondary particles and manganese is included on a surface of each of the large secondary particles and aluminium is included on a surface of each of the small secondary particles.