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1. WO2018034094 - NONAQUEOUS SECONDARY BATTERY POROUS FILM COMPOSITION, NONAQUEOUS SECONDARY BATTERY POROUS FILM, AND NONAQUEOUS SECONDARY BATTERY

Publication Number WO/2018/034094
Publication Date 22.02.2018
International Application No. PCT/JP2017/025809
International Filing Date 14.07.2017
IPC
H01M 2/16 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
14Separators; Membranes; Diaphragms; Spacing elements
16characterised by the material
H01M 4/13 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
CPC
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 2300/0025
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2300Electrolytes
0017Non-aqueous electrolytes
0025Organic electrolyte
H01M 4/13
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
H01M 50/446
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
40Separators; Membranes; Diaphragms; Spacing elements inside cells
409Separators, membranes or diaphragms characterised by the material
446Composite material consisting of a mixture of organic and inorganic materials
H01M 50/449
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
40Separators; Membranes; Diaphragms; Spacing elements inside cells
409Separators, membranes or diaphragms characterised by the material
449having a layered structure
H01M 50/46
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
40Separators; Membranes; Diaphragms; Spacing elements inside cells
46Separators, membranes or diaphragms characterised by their combination with electrodes
Applicants
  • 日本ゼオン株式会社 ZEON CORPORATION [JP]/[JP]
Inventors
  • 杉本 拓己 SUGIMOTO, Takumi
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2016-15999717.08.2016JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) NONAQUEOUS SECONDARY BATTERY POROUS FILM COMPOSITION, NONAQUEOUS SECONDARY BATTERY POROUS FILM, AND NONAQUEOUS SECONDARY BATTERY
(FR) COMPOSITION POUR FILM POREUX DE BATTERIE SECONDAIRE NON AQUEUSE, FILM POREUX POUR BATTERIE SECONDAIRE NON AQUEUSE, ET BATTERIE SECONDAIRE NON AQUEUSE
(JA) 非水系二次電池多孔膜用組成物、非水系二次電池用多孔膜及び非水系二次電池
Abstract
(EN) Provided is a nonaqueous secondary battery porous film composition which contains inorganic particles and a particulate polymer, wherein: the volume average particle diameter d0 of the inorganic particles is 0.1-1.0μm, inclusive; the weight ratio of the inorganic particles to the particulate polymer is in the range of 95:5 to 50:50; and the volume average particle diameter d1 of the particulate polymer and the volume average particle diameter d0 of the inorganic particles satisfy d1/d0>1. Further provided is a nonaqueous secondary battery equipped with the same.
(FR) L’invention concerne une composition pour film poreux de batterie secondaire non aqueuse qui contient des particules inorganiques et un polymère sous forme de particules. Le diamètre particulaire moyen en volume (d) desdites particules inorganiques est supérieur ou égal à 0,1μm et inférieur ou égal à 1,0μm. Le rapport massique dudit polymère sous forme de particules pour lesdites particules inorganiques se situe à l’intérieur d’une plage de 95:5 à 50:50. Le diamètre particulaire moyen en volume (d) dudit polymère sous forme de particules et le diamètre particulaire moyen en volume (d) desdites particules inorganiques, satisfont d/d>1. En outre, l’invention concerne une batterie secondaire non aqueuse équipée de cette composition.
(JA) 無機粒子と粒子状重合体とを含む非水系二次電池多孔膜用組成物であって、前記無機粒子の体積平均粒子径dが、0.1μm以上1.0μm以下であり、前記無機粒子対前記粒子状重合体の重量比が、95:5~50:50の範囲内にあり、かつ、前記粒子状重合体の体積平均粒子径dと前記無機粒子の体積平均粒子径dが、d/d>1を満たす、非水系二次電池多孔膜用組成物;並びにそれを備える非水系二次電池。
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