POSITIVE ELECTRODE ACTIVE MATERIAL FOR IMPROVING OUTPUT, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

POSITIVE ELECTRODE ACTIVE MATERIAL FOR IMPROVING OUTPUT, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

A lithium secondary battery having improved output characteristics is provided. A high voltage mixed positive electrode active material has an even profile without causing a rapid voltage drop over the entire SOC area by improving a rapid voltage drop phenomenon occurring due to the difference betwe...

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Hauptverfasser: OH, SONG TAEK, CHUNG, GEUN CHANG, AN, KEUN WAN, KIM, SUN KYU
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 OH, SONG TAEK
CHUNG, GEUN CHANG
AN, KEUN WAN
KIM, SUN KYU
description A lithium secondary battery having improved output characteristics is provided. A high voltage mixed positive electrode active material has an even profile without causing a rapid voltage drop over the entire SOC area by improving a rapid voltage drop phenomenon occurring due to the difference between the operation voltages of mixed lithium transition metal oxides, and improves output characteristics at a low voltage. The lithium secondary battery includes the mixed positive electrode active material. In particular, the lithium secondary battery can sufficiently satisfy the required conditions such as output characteristics, capacity, stability, and the like, when it is used as a power source of a midsize or large device such as an electric vehicle.
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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 ELECTRODE ACTIVE MATERIAL FOR IMPROVING OUTPUT, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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