CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

본 발명의 실시예들은 리튬 이차 전지용 양극 활물질을 제공한다. 리튬 이차 전지용 양극 활물질은 입자 내부에 도입된 인을 함유하는 리튬-전이금속 복합 산화물 입자, 및 리튬-전이금속 복합 산화물 입자의 표면의 적어도 일부 상에 형성되며, 인 함유 화합물을 포함하는 코팅층을 포함하고, 리튬-전이금속 복합 산화물 입자 내부에 도입된 인의 함량은 리튬-전이금속 복합 산화물 입자 내부에 도입된 인의 중량 및 코팅층에 포함된 인의 중량의 합 대비 15 내지 30 중량%이다. 리튬 이차 전지용 양극 활물질의 구조적 안정성 및 이온 전도성이 향...

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Hauptverfasser: YOON KEUM JUNG, YOO YEONG BIN, JANG DONG IL, PARK SUNG SOON, KIM JONG HWA
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creator YOON KEUM JUNG
YOO YEONG BIN
JANG DONG IL
PARK SUNG SOON
KIM JONG HWA
description 본 발명의 실시예들은 리튬 이차 전지용 양극 활물질을 제공한다. 리튬 이차 전지용 양극 활물질은 입자 내부에 도입된 인을 함유하는 리튬-전이금속 복합 산화물 입자, 및 리튬-전이금속 복합 산화물 입자의 표면의 적어도 일부 상에 형성되며, 인 함유 화합물을 포함하는 코팅층을 포함하고, 리튬-전이금속 복합 산화물 입자 내부에 도입된 인의 함량은 리튬-전이금속 복합 산화물 입자 내부에 도입된 인의 중량 및 코팅층에 포함된 인의 중량의 합 대비 15 내지 30 중량%이다. 리튬 이차 전지용 양극 활물질의 구조적 안정성 및 이온 전도성이 향상될 수 있다. A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle containing phosphorus introduced into the particle, and a coating formed on at least a portion of a surface of the lithium-transition metal oxide particle. The coating includes a phosphorus-containing compound. A content of phosphorus introduced into the lithium-transition metal oxide particle is in a range from 15 wt % to 30 wt % based on a sum of a weight of phosphorus introduced into the lithium-transition metal oxide particle and a weight of phosphorus contained in the coating.
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A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle containing phosphorus introduced into the particle, and a coating formed on at least a portion of a surface of the lithium-transition metal oxide particle. The coating includes a phosphorus-containing compound. 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A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle containing phosphorus introduced into the particle, and a coating formed on at least a portion of a surface of the lithium-transition metal oxide particle. The coating includes a phosphorus-containing compound. A content of phosphorus introduced into the lithium-transition metal oxide particle is in a range from 15 wt % to 30 wt % based on a sum of a weight of phosphorus introduced into the lithium-transition metal oxide particle and a weight of phosphorus contained in the coating.</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
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