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1. JP2018106892 - POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Office
Japan
Application Number 2016251397
Application Date 26.12.2016
Publication Number 2018106892
Publication Date 05.07.2018
Grant Number 6412094
Grant Date 05.10.2018
Publication Kind B2
IPC
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
C01G 53/00
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
53Compounds of nickel
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
CPC
C01G 53/50
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
53Compounds of nickel
40Nickelates
42containing alkali metals, e.g. LiNiO2
44containing manganese
50of the type [MnO2]n- , e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
C01P 2002/74
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2002Crystal-structural characteristics
70defined by measured X-ray, neutron or electron diffraction data
74by peak-intensities or a ratio thereof only
C01P 2004/45
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
30extending in three dimensions
45Aggregated particles or particles with an intergrown morphology
C01P 2004/51
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
51Particles with a specific particle size distribution
C01P 2004/61
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
60Particles characterised by their size
61Micrometer sized, i.e. from 1-100 micrometer
C01P 2004/80
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
Applicants SUMITOMO CHEMICAL CO LTD
住友化学株式会社
TANAKA CHEMICAL CORP
株式会社田中化学研究所
Inventors IMANARI YUICHIRO
今成 裕一郎
TAKAMORI KENJI
高森 健二
MAEDA YUSUKE
前田 裕介
Agents 棚井 澄雄
佐藤 彰雄
鈴木 慎吾
加藤 広之
Title
(EN) POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
(JA) リチウム二次電池用正極活物質、リチウム二次電池用正極及びリチウム二次電池
Abstract
(EN)

PROBLEM TO BE SOLVED: To provide a positive electrode active material for a lithium secondary battery having high voltage cycle characteristics, a positive electrode for a lithium secondary battery using the same, and a lithium secondary battery.

SOLUTION: The positive electrode active material for a lithium secondary battery includes a lithium composite metal compound including secondary particles obtained by aggregating primary particles capable of doping and dedoping lithium ions and satisfies specific requirements (1) to (4).

SELECTED DRAWING: None

COPYRIGHT: (C)2018,JPO&INPIT

(JA)

【課題】高電圧サイクル特性が高いリチウム二次電池用正極活物質、及びこれを用いたリチウム二次電池用正極及びリチウム二次電池の提供。
【解決手段】リチウムイオンをドープ及び脱ドープ可能な一次粒子が凝集してなる二次粒子からなるリチウム複合金属化合物を含むリチウム二次電池用正極活物質であって、特定の要件(1)〜(4)を満たすことを特徴とするリチウム二次電池用正極活物質。
【選択図】なし