POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL

PROBLEM TO BE SOLVED: To provide: a positive electrode active material for a lithium secondary battery; a method of preparing the positive electrode active material; and a lithium secondary battery including the positive electrode active material.SOLUTION: The positive electrode active material incl...

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Bibliographische Detailangaben
Hauptverfasser: KIM MIN-HAN, KIM JI-HYON, YI JEONG-SEOP, KWON SEON-YEONG, PARK DO-HYONG, KIM CHANG-HYOK, KIM YUNANG
Format: Patent
Sprache:eng
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:PROBLEM TO BE SOLVED: To provide: a positive electrode active material for a lithium secondary battery; a method of preparing the positive electrode active material; and a lithium secondary battery including the positive electrode active material.SOLUTION: The positive electrode active material includes a core part and a shell part that include a nickel-based composite oxide, and a content of nickel in the core part is larger than that in the shell part.