POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERIES, PREPARATION METHOD THEREOF, AND RECHARGEABLE LITHIUM BATTERIES

An active material for a rechargeable lithium battery, a manufacturing method, and a rechargeable lithium battery are provided, the positive active material including lithium nickel-based composite oxide particles having a molar content (e.g., amount) of nickel of greater than or equal to about 80 m...

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Bibliographische Detailangaben
Hauptverfasser:	SEONG, Wonmo, MANTHIRAM, Arumugam, KIM, Youngjin, KIM, Hanseul, KONG, Youngsun
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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Beschreibung
Zusammenfassung:	An active material for a rechargeable lithium battery, a manufacturing method, and a rechargeable lithium battery are provided, the positive active material including lithium nickel-based composite oxide particles having a molar content (e.g., amount) of nickel of greater than or equal to about 80 mol% based on the total element excluding lithium and oxygen and containing at least one element selected from B, Sb, and Nb, a first coating layer disposed on the surface of the particles and containing at least one element selected from B, Sb, and Nb, and a second coating layer disposed on the first coating layer and containing a metal phosphate.