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1. CN109565016 - NONAQUEOUS SECONDARY BATTERY POROUS FILM COMPOSITION, NONAQUEOUS SECONDARY BATTERY POROUS FILM, AND NONAQUEOUS SECONDARY BATTERY

Office
China
Application Number 201780047075.7
Application Date 14.07.2017
Publication Number 109565016
Publication Date 02.04.2019
Publication Kind A
IPC
H01M 2/16
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
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 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
Y02E 60/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
10Energy storage using batteries
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 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 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
Applicants ZEON CORPORATION
日本瑞翁株式会社
Inventors SUGIMOTO TAKUMI
杉本拓己
Agents 北京柏杉松知识产权代理事务所(普通合伙) 11413
北京柏杉松知识产权代理事务所(普通合伙) 11413
Priority Data 2016-159997 17.08.2016 JP
Title
(EN) NONAQUEOUS SECONDARY BATTERY POROUS FILM COMPOSITION, NONAQUEOUS SECONDARY BATTERY POROUS FILM, AND NONAQUEOUS SECONDARY BATTERY
(ZH) 非水系二次电池多孔膜用组合物、非水系二次电池用多孔膜及非水系二次电池
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 0.1-1.0 [mu]m, 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.
(ZH) 本发明涉及非水系二次电池多孔膜用组合物以及具有该非水系二次电池多孔膜用组合物的非水系二次电池,上述非水系二次电池多孔膜用组合物包含无机粒子和粒子状聚合物,上述无机粒子的体积平均粒径d0为0.1μm以上且1.0μm以下,上述无机粒子与上述粒子状聚合物的重量比在95∶5~50∶50的范围内,且上述粒子状聚合物的体积平均粒径d1与上述无机粒子的体积平均粒径d0满足d1/d0>1。