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1. WO2020111898 - METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY

Publication Number WO/2020/111898
Publication Date 04.06.2020
International Application No. PCT/KR2019/016801
International Filing Date 29.11.2019
IPC
C01G 53/00 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
53Compounds of nickel
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 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 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
H01M 4/02 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
CPC
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 4/02
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
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 4/505
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
H01M 4/525
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
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 양송이 YANG, Song Yi
  • 박경완 PARK, Kyoung Wan
  • 김성배 KIM, Seong Bae
  • 황초희 HWANG, Cho Hee
Agents
  • 특허법인 태평양 BAE, KIM & LEE IP GROUP
Priority Data
10-2018-015227130.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY
(FR) MÉTHODE DE PRODUCTION DE PRCÉURSEUR DE MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE AU LITHIUM
(KO) 리튬 이차전지용 양극 활물질 전구체의 제조 방법
Abstract
(EN)
The present invention provides: a method for producing a bimodal-type positive electrode active material precursor, wherein positive electrode active material precursors having small and large particle sizes are produced at the same time in a single reactor such that not only is productivity increased, the packing density per unit volume can also be improved; a positive electrode active material precursor produced by the above production method and having an improved packing density; and a secondary battery positive electrode and a lithium secondary battery which include the positive electrode active material precursor.
(FR)
La présente invention concerne : une méthode de production d'un précurseur de matériau actif d'électrode positive de type bimodal, des précurseurs de matériau actif d'électrode positive ayant de petites et de grandes tailles de particules étant produits en même temps dans un seul réacteur de sorte que non seulement la productivité est accrue, mais que la compacité par volume unitaire peut également être améliorée ; un précurseur de matériau actif d'électrode positive produit par la méthode de production ci-dessus et ayant une compacité améliorée ; et une électrode positive de batterie secondaire et une batterie secondaire au lithium qui comprennent le précurseur de matériau actif d'électrode positive.
(KO)
본 발명은 하나의 반응기에서 소입경 및 대입경을 가지는 양극 활물질 전구체를 동시에 제조하여 생산성이 증가할 뿐만 아니라, 단위 부피당 충진 밀도를 개선할 수 있는 바이모달형 양극 활물질 전구체의 제조 방법, 상기 제조 방법에 의해서 제조되고, 충진 밀도가 개선된 양극 활물질 전구체 및 이를 포함하는 이차전지용 양극 및 리튬 이차전지를 제공한다.
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