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1. WO2018143612 - CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, INCLUDING LITHIUM COBALT OXIDE HAVING CORE-SHELL STRUCTURE, METHOD FOR PREPARING SAME, AND CATHODE AND SECONDARY BATTERY INCLUDING CATHODE ACTIVE MATERIAL

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Publication Number WO/2018/143612
Publication Date 09.08.2018
International Application No. PCT/KR2018/001169
International Filing Date 26.01.2018
IPC
H01M 4/36 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
H01M 4/525 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/485 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
485of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
50of manganese
505of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/131 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 10/052 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
CPC
C01G 51/006
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
51Compounds of cobalt
006Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
C01G 51/42
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
51Compounds of cobalt
40Cobaltates
42containing alkali metals, e.g. LiCoO2
C01P 2002/52
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2002Crystal-structural characteristics
50Solid solutions
52containing elements as dopants
C01P 2004/84
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
80Particles consisting of a mixture of two or more inorganic phases
82two phases having the same anion, e.g. both oxidic phases
84one phase coated with the other
C01P 2006/40
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2006Physical properties of inorganic compounds
40Electric properties
H01M 10/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 조치호 JO, Chi Ho
  • 박성빈 PARK, Sungbin
  • 박지영 PARK, Jiyoung
  • 이보람 LEE, Bo Ram
  • 한정민 HAN, Jungmin
  • 허혁 HUR, Hyuck
  • 정왕모 JUNG, Wang Mo
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2017-001361331.01.2017KR
10-2017-001364931.01.2017KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, INCLUDING LITHIUM COBALT OXIDE HAVING CORE-SHELL STRUCTURE, METHOD FOR PREPARING SAME, AND CATHODE AND SECONDARY BATTERY INCLUDING CATHODE ACTIVE MATERIAL
(FR) MATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE AU LITHIUM, COMPRENANT DE L'OXYDE DE LITHIUM ET DE COBALT AYANT UNE STRUCTURE CŒUR-ÉCORCE, SON PROCÉDÉ DE PRÉPARATION, ET CATHODE ET BATTERIE SECONDAIRE COMPRENANT UN MATÉRIAU ACTIF DE CATHODE
(KO) 코어-쉘 구조의 리튬 코발트 산화물을 포함하는 리튬 이차전지용 양극 활물질, 이를 제조하는 방법, 및 상기 양극 활물질을 포함하는 양극 및 이차전지
front page image
Abstract
(EN) The present invention relates to a cathode active material for a lithium secondary battery, including a lithium cobalt doped oxide having a core-shell structure, and relates to a cathode active material satisfying specific conditions, a method for preparing the same, and a cathode and a secondary battery including the cathode active material, the lithium cobalt doped oxide having a core and the lithium cobalt doped oxide having a shell respectively comprising three kinds of dopants independent from each other.
(FR) La présente invention concerne un matériau actif de cathode pour une batterie secondaire au lithium, comprenant un oxyde dopé au lithium et au cobalt ayant une structure cœur-écorce, et concerne un matériau actif de cathode satisfaisant des conditions spécifiques, son procédé de préparation, et une cathode ainsi qu'une batterie secondaire comprenant le matériau actif de cathode, l'oxyde dopé au lithium et au cobalt ayant un cœur et l'oxyde dopé au lithium et au cobalt ayant une écorce comprenant respectivement trois types de dopants indépendants les uns des autres.
(KO) 본 발명은 코어-쉘 구조의 리튬 코발트 도핑 산화물을 포함하는 리튬 이차전지용 양극 활물질로서, 상기 코어의 리튬 코발트 도핑 산화물과 쉘의 리튬 코발트 도핑 산화물은 각각 서로 독립적으로 3 종류의 도펀트들을 포함하고, 특정 조건을 만족하는 양극 활물질, 이를 제조하는 방법, 및 상기 양극 활물질을 포함하는 양극 및 이차전지에 관한 것이다.
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