CN103746087A - Method for manufacturing lithium-ion battery separators and lithium battery - Google Patents

Method for manufacturing lithium-ion battery separators and lithium battery Download PDF

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Publication number
CN103746087A
CN103746087A CN201410003223.3A CN201410003223A CN103746087A CN 103746087 A CN103746087 A CN 103746087A CN 201410003223 A CN201410003223 A CN 201410003223A CN 103746087 A CN103746087 A CN 103746087A
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ion battery
barrier film
lithium ion
lithium
manufacture method
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CN201410003223.3A
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Chinese (zh)
Inventor
陈卫
方祺
王晓明
刘勇标
徐远新
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SHANGHAI PUTAILAI NEW MATERIAL SCIENCE & TECHNOLOGY Co Ltd
DONGGUAN ZHUOGAO ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
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SHANGHAI PUTAILAI NEW MATERIAL SCIENCE & TECHNOLOGY Co Ltd
DONGGUAN ZHUOGAO ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
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Priority to CN201410003223.3A priority Critical patent/CN103746087A/en
Publication of CN103746087A publication Critical patent/CN103746087A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
    • C09D109/06—Copolymers with styrene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/06—Copolymers with styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention discloses a method for manufacturing lithium-ion battery separators and a lithium battery, which belong to the field of lithium-ion batteries. The method for manufacturing lithium-ion battery separators comprises the following technological steps: a, dissolving an organic polymer material into a solvent in a mixing manner so as to form an organic polymer material solution, wherein the weight percentage of the polymer material in the organic polymer material solution is 1-20%; b, adding a ceramic material into the organic polymer material solution, and stirring so as to obtain uniform slurry, wherein the weight ratio of the ceramic material to the organic polymer material solution is 0.05-1; and c, coating the slurry on a separator for lithium-ion batteries in a way of intaglio printing, wherein the coating area accounts for 1-95% of the total area of the separator. A separator manufactured by using the process and used for lithium-ion batteries has good electrolyte retention capacity, thereby improving the cycle performance of batteries; and coated strips are integrally in the shape of a skeleton, so that the safety performance of batteries can be improved.

Description

A kind of lithium ion battery separator manufacture method and lithium battery
Technical field
The present invention relates to field of batteries, particularly relate to a kind of lithium ion battery separator manufacture method.
Background technology
Fossil resource take oil as representative reduces day by day, when the automobile using oil as raw material offers convenience to us, also to us, has brought the environment going from bad to worse, and the mankind are at the clean alternative energy source of the searching of doing one's utmost.Lithium ion battery has that volume is little, quality is light, energy density advantages of higher can be used as clean energy resource on electric automobile.The barrier film of lithium ion battery plays partition positive/negative plate in battery, conventionally the lithium ion battery separator of use is that macromolecular material is as polyethylene, polypropylene or polyethylene and polypropylene composite material, these materials are manufacturing in barrier film process to draw high or extracting process preparation has more hole film, in these micropores, can store electrolyte, these electrolyte are the carrier that lithium ion moves around at both positive and negative polarity.Lithium ion battery is as the battery of charge and discharge cycles repeatedly, its electrolyte can consume gradually at charge and discharge process, when electrolyte content is depleted to, can not meet lithium ion when normal mobile between both positive and negative polarity, the performance of lithium ion battery will become deterioration, causes maintaining normally discharging and recharging.Diaphragm material is porous polymer materials in addition, and when being heated, material can shrink that rupture of membranes causes positive/negative plate short circuit and security incident that catching fire occurs.Use the barrier film of manufacture of the present invention to deal with problems: (1) ceramic layer is porous particle, and porosity is higher than barrier film hole, can the more electrolyte of reservoir.Special shape volume ceramic layer is got skeleton supporting role at pole piece interface, and non-ceramic region can store electrolyte more has more lasting charge and discharge cycles ability with guarantee battery.(2) ceramic layer that is coated on membrane surface can form skeleton and when barrier film is heated, support barrier film, and the broken film temperature of barrier film is improved, and increases the fail safe of battery.
Summary of the invention
For problems of the prior art, the invention provides a kind of lithium ion battery separator manufacture method and adopt the method to prepare the lithium battery of barrier film, use the lithium ion battery charge-discharge performance of this lithium ion battery separator and security performance to improve.
The present invention is achieved through the following technical solutions:
A kind of lithium ion battery separator manufacture method, its processing step comprises:
A, high-molecular organic material is dissolved in solvent by agitating mode, forms organic macromolecule material solution, the percentage by weight of macromolecular material in solution is 1%-20%.
B, in high-molecular organic material solution, add ceramic material to be uniformly mixed as uniform slurry, the weight ratio of ceramic material and high-molecular organic material solution is 0.05-1.
C, slurry is coated in to the barrier film for lithium ion battery by intaglio printing mode, coated area is the 1-95% of the barrier film gross area.
Described solvent is one or both of NMP, acetone and water.
High-molecular organic material in step a is phenolic resins, epoxy resin, PVDF(polyvinylidene fluoride resin), one or several in epoxy resin, polyacrylic acid, butadiene-styrene rubber.
Step b adds the ceramic material of solution weight 5-100% to make slurry after step a prepares macromolecule material solution.
Ceramic material is one or more in aluminium oxide, titanium oxide and barium sulfate; The D50 of ceramic particle is 0.1-10um.
Use intaglio printing, the modes such as intermittent spray are coated on the barrier film for lithium ion battery by slurry, and it is 0.5 ~ 20um that rear thickness is dried in coating.
The coating that is coated on lithium ion battery barrier film used accounts for the 5-80% of diaphragm area.
Be coated on lithium ion battery barrier film ceramic size used dry after on barrier film the shape of formation rule.Be coated on pattern form on barrier film and be the shapes such as point-like, strip, square, rhombus.
Described barrier film is polypropylene diaphragm, polyethylene barrier film or polyethylene, polyacrylic two-layer above barrier film.
A kind of lithium battery, comprises the barrier film between positive pole, negative pole and positive pole, negative pole, and its septation is that the barrier film of above-mentioned steps a, b and c cuts rear gained.
The invention has the advantages that: the lithium ion battery separator manufacture method in the present invention, membrane portions is covered by pottery, can, owing to can storing electrolyte more, make battery have better cycle performance with the lithium ion battery that this kind of lithium ion battery separator produced; The striped entirety that painting is covered with is skeleton shape, and the lithium ion battery of this kind of lithium ion battery separator making has higher security performance.
Embodiment
Further detailed explanation the present invention of following examples, but the present invention is not limited to this embodiment.
Embodiment 1, a kind of lithium ion battery separator manufacture method and lithium battery, its processing step comprises:
The acetone soln of the butadiene-styrene rubber that a, preparation parts by weight are 10%, unlatching mixer stirs and makes butadiene-styrene rubber solution.
B, in above-mentioned solution, add the ceramic material of solution weight 50%, the D50 of this ceramic material is 0.5um, stirs and makes slurry.
C, above-mentioned ready slurry is coated on 8 microns of polypropylene diaphragms by the mode of intaglio printing, coating be shaped as rhombus, apply dry after thickness be 4 microns, coated area accounts for 10% of the barrier film gross area.
Embodiment 2, a kind of lithium ion battery separator manufacture method and lithium battery, its processing step comprises:
The polyacrylic deionized water solution of a, preparation 15%, unlatching mixer stirs and makes polyacrylic acid solution.
B, in above-mentioned solution, add the ceramic material of solution weight 50%, the D50 of this ceramic material is 0.5um, stirs and makes slurry.
C, above-mentioned ready slurry is coated on 5 microns of polypropylene diaphragms by the mode of intaglio printing, coating be shaped as rhombus, apply dry after thickness be 2 microns, coated area accounts for 50% of the barrier film gross area.
Comparative example 1, a kind of lithium ion battery separator manufacture method and lithium battery, its processing step comprises:
The polyacrylic deionized water solution of a, preparation 15%, unlatching mixer stirs and makes polyacrylic acid solution.
B, in above-mentioned solution, add the ceramic material of solution weight 50%, the D50 of this ceramic material is 0.5um, stirs and makes slurry.
C, above-mentioned ready slurry is coated on 5 microns of polypropylene diaphragms with scraper blade coating slurry, coating be shaped as rhombus, apply dry after thickness be 2 microns, coated area accounts for 100% of the barrier film gross area.
Method of testing:
1, the barrier film of coating and uncoated barrier film are cut into identical width and length, be positioned in the hot case of 130 degree and toast 30 minutes, cold side shrinkage.
2, the barrier film of coating is cut into and needs identical width and length with the uncoated former film suitable with applying barrier film gross thickness, membrane coil is coiled into battery and carries out cycle performance test.
Test result is as follows.
Table one: barrier film shrinkage comparison
Test condition (130 degree/30 minutes) Lateral shrinkage (%) Longitudinal contraction rate (%)
8um polypropylene screen (uncoated) 32 35
Embodiment 1 1.2 1.3
Embodiment 2 1.3 1.5
Comparative example 1 1.0 1.2
Table two: cycle performance of battery comparison
? 100 circulation volume conservation rates 300 circulation volume conservation rates 500 circulation volume conservation rates 1000 circulation volume conservation rates
12um polypropylene screen 98% 90% 40% — —
Embodiment 1 99% 98% 97% 95%
Embodiment 2 98% 98% 98% 96%
Comparative example 1 99% 95% 75% 50%
Accompanying drawing 1 is the relatively schematic diagram of cycle performance of embodiment 1 and contrast barrier film.
Accompanying drawing 2 is the coating shape pattern of embodiment 1.
Accompanying drawing 3 is the coating shape pattern of embodiment 2.
By above table one, table two and accompanying drawing 1, compared with having absolutely proved the present invention and not covered the barrier film of coating, lateral shrinkage of the present invention and longitudinal contraction rate reduce greatly, and after repeatedly using aspect cycle performance, capability retention is always in higher level.
Compared with the barrier film comparative example 1 of the present invention and whole coatings, lateral shrinkage and longitudinal contraction rate are more or less the same, but aspect cycle performance, the present invention far above comparative example 1, has obvious advantage aspect 500 capability retentions and 1000 capability retentions.Comparative example 1 is compared with uncoated barrier film, has certain advantage, but compared with the present invention, incomplete coating of the present invention has increased the storage of electrolyte, is applied to the cycle performance that has improved battery after battery.
Above embodiment is merely illustrative and not limiting to the invention, and the equivalence of doing according to the method described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.

Claims (10)

1. a lithium ion battery separator manufacture method, its processing step comprises:
A. high-molecular organic material is dissolved in solvent by agitating mode, forms organic macromolecule material solution, the percentage by weight of macromolecular material in solution is 1%-20%;
B. in high-molecular organic material solution, add ceramic material to be uniformly mixed as uniform slurry, the weight ratio of ceramic material and high-molecular organic material solution is 0.05-1;
C. slurry is coated in to the barrier film for lithium ion battery by intaglio printing mode, coated area is the 1-95% of the barrier film gross area;
Described solvent is the one of NMP, acetone and water.
2. a lithium ion battery separator manufacture method, its processing step comprises:
High-molecular organic material is dissolved in solvent by agitating mode, forms organic macromolecule material solution, the percentage by weight of macromolecular material in solution is 1%-20%;
In high-molecular organic material solution, add ceramic material to be uniformly mixed as uniform slurry, the weight ratio of ceramic material and high-molecular organic material solution is 0.05-1;
Slurry is coated in to the barrier film for lithium ion battery by intaglio printing mode, and coated area is the 1-95% of the barrier film gross area;
Described solvent is NMP, acetone and water two kinds.
3. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: the high-molecular organic material in step a is for as phenolic resins, epoxy resin, PVDF(polyvinylidene fluoride resin), one or several in epoxy resin, polyacrylic acid, butadiene-styrene rubber.
4. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: step b adds the ceramic material of solution weight 5-100% to make slurry after step a prepares macromolecule material solution.
5. a kind of lithium ion battery separator manufacture method according to claim 4, is characterized in that: ceramic material is one or more in aluminium oxide, titanium oxide and barium sulfate; The D50 of ceramic particle is 0.1-10um.
6. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: use intaglio printing, the modes such as intermittent spray are coated on the barrier film for lithium ion battery by slurry, and it is 0.5 ~ 20um that rear thickness is dried in coating.
7. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: the coating that is coated on lithium ion battery barrier film used accounts for the 5-80% of diaphragm area.
8. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: be coated on lithium ion battery barrier film ceramic size used dry after on barrier film the shape of formation rule.
9. a kind of lithium ion battery separator manufacture method according to claim 1 and 2, is characterized in that: described barrier film is polypropylene diaphragm, polyethylene barrier film or polyethylene, polyacrylic two-layer above barrier film.
10. a lithium battery, comprises the barrier film between positive pole, negative pole and positive pole, negative pole, it is characterized in that: described barrier film is that the barrier film of claim 1 or 2 cuts rear gained.
CN201410003223.3A 2014-01-03 2014-01-03 Method for manufacturing lithium-ion battery separators and lithium battery Pending CN103746087A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191774A (en) * 2014-08-13 2014-12-10 江苏安瑞达新材料有限公司 Novel high-temperature-resistant lithium battery diaphragm and preparation process thereof
CN104362275A (en) * 2014-12-01 2015-02-18 东莞市卓高电子科技有限公司 Manufacturing method of lithium ion battery diaphragm as well as battery diaphragm prepared by manufacturing method and battery
CN105968696A (en) * 2016-05-26 2016-09-28 江苏深苏电子科技有限公司 Preparation method for lithium ion battery electrolyte membrane
CN106981606A (en) * 2016-01-19 2017-07-25 中国电力科学研究院 A kind of MFI type zeolite coats the preparation method of lithium ion battery separator
CN108493389A (en) * 2018-05-03 2018-09-04 厦门大学 A kind of phenolic resin modified ceramic diaphragm and its application
CN110707263A (en) * 2019-09-02 2020-01-17 深圳市劢全新材料科技有限责任公司 Coating method of battery diaphragm
CN112018311A (en) * 2020-09-10 2020-12-01 青岛蓝科途膜材料有限公司 Lithium ion battery diaphragm, preparation method and application thereof
CN113394515A (en) * 2021-08-17 2021-09-14 江苏卓高新材料科技有限公司 Composite diaphragm for lithium battery, preparation method and detection method thereof
JP7483154B2 (en) 2022-04-28 2024-05-14 帝人株式会社 Separator for non-aqueous secondary battery and non-aqueous secondary battery

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WO2009000963A1 (en) * 2007-06-26 2008-12-31 Consejo Superior De Investigaciones Cientificas Inorganic-organic hybrid membrane for ionic interchange, preparation thereof and use in electrochemical devices
CN101707242A (en) * 2009-10-14 2010-05-12 东莞新能源科技有限公司 Organic/inorganic composite porous isolating membrane

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Publication number Priority date Publication date Assignee Title
WO2009000963A1 (en) * 2007-06-26 2008-12-31 Consejo Superior De Investigaciones Cientificas Inorganic-organic hybrid membrane for ionic interchange, preparation thereof and use in electrochemical devices
CN101707242A (en) * 2009-10-14 2010-05-12 东莞新能源科技有限公司 Organic/inorganic composite porous isolating membrane

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191774B (en) * 2014-08-13 2016-05-04 江苏安瑞达新材料有限公司 A kind of preparation technology of novel fire resistant lithium battery diaphragm
CN104191774A (en) * 2014-08-13 2014-12-10 江苏安瑞达新材料有限公司 Novel high-temperature-resistant lithium battery diaphragm and preparation process thereof
CN104362275A (en) * 2014-12-01 2015-02-18 东莞市卓高电子科技有限公司 Manufacturing method of lithium ion battery diaphragm as well as battery diaphragm prepared by manufacturing method and battery
WO2016086783A1 (en) * 2014-12-01 2016-06-09 东莞市卓高电子科技有限公司 Method for manufacturing lithium ion battery diaphragm, battery diaphragm prepared thereby, and battery
CN106981606B (en) * 2016-01-19 2019-11-26 中国电力科学研究院 A kind of preparation method of MFI type zeolite coating lithium ion battery separator
CN106981606A (en) * 2016-01-19 2017-07-25 中国电力科学研究院 A kind of MFI type zeolite coats the preparation method of lithium ion battery separator
CN105968696A (en) * 2016-05-26 2016-09-28 江苏深苏电子科技有限公司 Preparation method for lithium ion battery electrolyte membrane
CN108493389A (en) * 2018-05-03 2018-09-04 厦门大学 A kind of phenolic resin modified ceramic diaphragm and its application
CN110707263A (en) * 2019-09-02 2020-01-17 深圳市劢全新材料科技有限责任公司 Coating method of battery diaphragm
CN112018311A (en) * 2020-09-10 2020-12-01 青岛蓝科途膜材料有限公司 Lithium ion battery diaphragm, preparation method and application thereof
CN113394515A (en) * 2021-08-17 2021-09-14 江苏卓高新材料科技有限公司 Composite diaphragm for lithium battery, preparation method and detection method thereof
CN113394515B (en) * 2021-08-17 2021-11-02 江苏卓高新材料科技有限公司 Composite diaphragm for lithium battery, preparation method and detection method thereof
JP7483154B2 (en) 2022-04-28 2024-05-14 帝人株式会社 Separator for non-aqueous secondary battery and non-aqueous secondary battery

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Application publication date: 20140423