Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020067795 - CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication Number WO/2020/067795
Publication Date 02.04.2020
International Application No. PCT/KR2019/012631
International Filing Date 27.09.2019
IPC
H01M 4/525 2010.01
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 4/505 2010.01
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 4/485 2010.01
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 4/62 2006.01
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/36 2006.01
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 10/052 2010.01
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 25/02
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
25Compounds of zirconium
02Oxides
C01G 53/00
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
53Compounds of nickel
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
H01M 4/36
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 4/485
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
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
Applicants
  • 주식회사 포스코 POSCO [KR]/[KR]
  • 재단법인 포항산업과학연구원 RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY [KR]/[KR]
Inventors
  • 최권영 CHOI, Kwon Young
  • 이상혁 LEE, Sang Hyuk
  • 송정훈 SONG, Jung Hoon
  • 남상철 NAM, Sang Cheol
  • 박종일 PARK, Jong Il
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2018-011603428.09.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) MATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE AU LITHIUM, SON PROCÉDÉ DE PRÉPARATION, ET BATTERIE SECONDAIRE AU LITHIUM LE COMPRENANT
(KO) 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
Abstract
(EN)
The present invention relates to a cathode active material for a lithium secondary battery, a preparation method therefor, and a lithium secondary battery comprising same, and the cathode active material comprises secondary particles obtained by granulating at least one primary particle, and comprises a lithium nickel cobalt manganese-based oxide, which is represented by the following chemical formula 1, and metal oxide particles, which have a nano-sized average diameter (D50) and are located inside the secondary particles. [Chemical formula 1] Lia[NixCoyMnz]tM1-tO2-pXp (In chemical formula 1, the definition of each substituent is the same as that in the Detailed Description.)
(FR)
La présente invention concerne un matériau actif de cathode pour une batterie secondaire au lithium, son procédé de préparation, et une batterie secondaire au lithium le comprenant, le matériau actif de cathode comprenant des particules secondaires obtenues par granulation d'au moins une particule primaire, et comprenant un oxyde à base de lithium-nickel-cobalt-manganèse, qui est représenté par la formule chimique 1 suivante, et des particules d'oxyde métallique, qui ont un diamètre moyen nanométrique (D50) et sont situées à l'intérieur des particules secondaires. [Formule chimique 1] Lia[NixCoyMnz]tM1-tO2-pXp (dans la formule chimique 1, la définition de chaque substituant est la même que celle dans la description détaillée.)
(KO)
리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로서, 상기 양극 활물질은 적어도 하나의 1차 입자가 조립된 2차 입자를 포함하고, 하기 화학식 1로 표현되는 리튬니켈코발트망간계 산화물 및 상기 2차 입자 내부에 위치하는 평균 입경(D50)이 나노미터 크기인 금속 산화물 입자를 포함한다. [화학식 1] Lia[NixCoyMnz]tM1-tO2-pXp (상기 화학식 1에서, 각 치환기의 정의는 상세한 설명과 동일하다)
Latest bibliographic data on file with the International Bureau