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

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

Disclosed is a positive active material for a rechargeable lithium battery that includes a first compound represented by Chemical Formula 1 and a second compound having a smaller particle diameter than the first compound and represented by Chemical Formula 2, wherein the first compound and the secon...

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Hauptverfasser: Hong, Mingzi, Kim, Young-Ki, Hong, Soonkie, Chae, Youngjoo, Lee, Soonrewl, Choi, Ickkyu, Park, Jungjoon
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Hong, Mingzi
Kim, Young-Ki
Hong, Soonkie
Chae, Youngjoo
Lee, Soonrewl
Choi, Ickkyu
Park, Jungjoon
description Disclosed is a positive active material for a rechargeable lithium battery that includes a first compound represented by Chemical Formula 1 and a second compound having a smaller particle diameter than the first compound and represented by Chemical Formula 2, wherein the first compound and the second compound have a Ni content of about 50 at% to about 60 at% of the metal elements excluding Li, and a rechargeable lithium battery including the first compound and the second compound satisfies Relation 1 in a differential capacity (dQ/dV)-voltage charge/discharge graph.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
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