Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020066909 - ELECTRODE FOR SECONDARY BATTERIES AND LITHIUM ION SECONDARY BATTERY

Publication Number WO/2020/066909
Publication Date 02.04.2020
International Application No. PCT/JP2019/037013
International Filing Date 20.09.2019
IPC
H01M 4/131 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
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 4/136 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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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 4/505 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 4/525 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 4/58 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
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
CPC
H01M 4/131
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 4/136
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
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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
H01M 4/58
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
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
Applicants
  • 東レ株式会社 TORAY INDUSTRIES, INC. [JP]/[JP]
Inventors
  • 玉木栄一郎 TAMAKI, Eiichiro
  • 川村博昭 KAWAMURA, Hiroaki
  • 小西貴 KONISHI, Takashi
  • 菅谷博之 SUGAYA, Hiroyuki
Priority Data
2018-17870725.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ELECTRODE FOR SECONDARY BATTERIES AND LITHIUM ION SECONDARY BATTERY
(FR) ÉLECTRODE POUR BATTERIES SECONDAIRES ET BATTERIE SECONDAIRE AU LITHIUM-ION
(JA) 二次電池用電極およびリチウムイオン二次電池
Abstract
(EN)
The purpose of the present invention is to provide an electrode which is capable of achieving a good balance between safety and high energy density at high levels, and which is used for secondary batteries such as lithium ion secondary batteries. The present invention is an electrode for secondary batteries, which has a positive electrode mixture layer that contains, as positive electrode active materials, at least an olivine-type positive electrode active material and a layered oxide-type positive electrode active material, and which is configured such that: the total weight fraction of the positive electrode active materials in the positive electrode mixture layer is from 80% by weight to 99% by weight (inclusive); the weight fraction of the olivine-type positive electrode active material is from 10% by weight to 65% by weight (inclusive); the weight fraction of the layered oxide-type positive electrode active material is from 30% by weight to 80% by weight (inclusive); and the positive electrode mixture layer contains graphene.
(FR)
La présente invention a pour objet une électrode qui permet d'obtenir un équilibre satisfaisant entre sécurité et haute densité d'énergie à des niveaux élevés et qui sert pour des batteries secondaires telles des batteries secondaires au lithium-ion. La présente invention concerne une électrode pour batteries secondaires pourvue d'une couche de mélange d'électrode positive. Ladite couche contient, à titre de matériaux actifs d'électrode positive, au moins un matériau actif d'électrode positive de type olivine et un matériau actif d'électrode positive de type oxyde lamellaire. Ladite couche est configurée de telle sorte que : la fraction pondérale totale des matériaux actifs d'électrode positive dans la couche de mélange d'électrode positive est comprise entre 80 % en poids et 99 % en poids (limites comprises) ; la fraction pondérale du matériau actif d'électrode positive de type olivine est comprise entre 10 % en poids et 65 % en poids (limites comprises) ; la fraction pondérale du matériau actif d'électrode positive de type oxyde lamellaire est comprise entre 30 % en poids et 80 % en poids (limites comprises) ; et la couche de mélange d'électrode positive contient du graphène.
(JA)
本発明の目的は、安全性と高エネルギー密度を高次元で両立し得る、リチウムイオン二次電池等の二次電池に用いられる電極を提供することである。本発明は、正極活物質としてオリビン系正極活物質と層状酸化物系正極活物質とを少なくとも含有する正極合剤層を有する二次電池用電極であって、 正極合剤層における正極活物質の合計重量分率が80重量%以上99重量%以下であり、 オリビン系正極活物質の重量分率が10重量%以上65重量%以下であり、 層状酸化物系正極活物質の重量分率が30重量%以上80重量%以下であり、 かつ、正極合剤層がグラフェンを含有する二次電池用電極である。
Latest bibliographic data on file with the International Bureau