CN102394282B - 一种锂离子二次电池多孔多层隔膜及其制造方法 - Google Patents
一种锂离子二次电池多孔多层隔膜及其制造方法 Download PDFInfo
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- CN102394282B CN102394282B CN201110382570.8A CN201110382570A CN102394282B CN 102394282 B CN102394282 B CN 102394282B CN 201110382570 A CN201110382570 A CN 201110382570A CN 102394282 B CN102394282 B CN 102394282B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 77
- 239000011248 coating agent Substances 0.000 claims abstract description 76
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims description 36
- 230000004888 barrier function Effects 0.000 claims description 34
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 24
- -1 polyethylene Polymers 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 22
- 239000000725 suspension Substances 0.000 claims description 21
- 239000004698 Polyethylene Substances 0.000 claims description 20
- 229920000573 polyethylene Polymers 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 7
- 230000002045 lasting effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 18
- 229920000098 polyolefin Polymers 0.000 abstract description 16
- 239000010410 layer Substances 0.000 abstract description 10
- 239000011247 coating layer Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 12
- 229920006015 heat resistant resin Polymers 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 239000012982 microporous membrane Substances 0.000 description 7
- 238000011056 performance test Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001230 polyarylate Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000306 polymethylpentene Polymers 0.000 description 2
- 239000011116 polymethylpentene Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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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
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
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- H—ELECTRICITY
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- 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
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
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- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- 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
- C08J2333/00—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
- C08J2333/18—Homopolymers or copolymers of nitriles
- C08J2333/20—Homopolymers or copolymers of acrylonitrile
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- H—ELECTRICITY
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- 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
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382570.8A CN102394282B (zh) | 2011-11-25 | 2011-11-25 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
| PCT/CN2012/080782 WO2013075524A1 (zh) | 2011-11-25 | 2012-08-30 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382570.8A CN102394282B (zh) | 2011-11-25 | 2011-11-25 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102394282A CN102394282A (zh) | 2012-03-28 |
| CN102394282B true CN102394282B (zh) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110382570.8A Active CN102394282B (zh) | 2011-11-25 | 2011-11-25 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102394282B (zh) |
| WO (1) | WO2013075524A1 (zh) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394282B (zh) * | 2011-11-25 | 2014-12-10 | 佛山市金辉高科光电材料有限公司 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
| JP2013222582A (ja) | 2012-04-16 | 2013-10-28 | Sony Corp | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
| JP6279479B2 (ja) * | 2012-10-31 | 2018-02-14 | 旭化成株式会社 | 多層多孔膜及びその製造方法、並びに非水電解液電池用セパレータ |
| CN102942831B (zh) * | 2012-11-21 | 2014-10-29 | 佛山市金辉高科光电材料有限公司 | 用于锂离子二次电池隔膜的涂层组合物及该隔膜的制造方法 |
| EP3306708B1 (en) * | 2013-03-19 | 2019-07-03 | Murata Manufacturing Co., Ltd. | Separator, battery, battery pack, electronic apparatus, electric vehicle, power storage device, and power system |
| CN104157812B (zh) * | 2014-04-23 | 2017-08-25 | 华南理工大学 | 锂离子电池隔膜及其制备方法及锂离子电池 |
| CN104064710A (zh) * | 2014-06-20 | 2014-09-24 | 青岛中科华联新材料有限公司 | 采用陶瓷涂覆的高孔隙率锂电池隔膜的生产工艺 |
| CN108134036B (zh) * | 2014-12-16 | 2020-06-16 | 东莞新能源科技有限公司 | 一种有机-无机复合电解质膜,其制备方法及应用 |
| CN105655518B (zh) * | 2015-09-07 | 2019-04-09 | 浙江南洋经中新材料有限公司 | 一种新型多孔锂电池隔膜的制备工艺 |
| CN105489916B (zh) * | 2015-11-26 | 2018-07-27 | 同济大学 | 一种锂离子电池用聚合物多孔薄膜及其制备方法和应用 |
| CN105355812B (zh) * | 2015-12-14 | 2018-06-19 | 苏州锂盾储能材料技术有限公司 | 一种锂电隔膜的制备方法 |
| CN106025149A (zh) * | 2016-06-30 | 2016-10-12 | 深圳中兴创新材料技术有限公司 | 一种耐高温复合锂电池隔膜及其制备方法 |
| CN106252571A (zh) * | 2016-08-31 | 2016-12-21 | 乐凯胶片股份有限公司 | 一种用于锂离子电池的多层多孔隔膜 |
| CN106876635B (zh) * | 2016-11-23 | 2020-07-17 | 深圳市研一新材料有限责任公司 | 一种新能源汽车锂离子电池增强隔膜 |
| CN106784559B (zh) * | 2016-11-23 | 2020-08-14 | 德阳九鼎智远知识产权运营有限公司 | 一种含有纳米颗粒增强层的新能源汽车电池隔膜 |
| CN108321337A (zh) * | 2017-01-17 | 2018-07-24 | 上海恩捷新材料科技股份有限公司 | 一种隔离膜及其制备方法和用途 |
| EP3674354A4 (en) * | 2017-08-25 | 2021-07-28 | Beijing Normal University | COMPOSITE POROUS MEMBRANE AND PROCESSES FOR PREPARATION AND USE |
| JP6953991B2 (ja) * | 2017-10-18 | 2021-10-27 | トヨタ自動車株式会社 | セパレータ、非水電解質二次電池、およびセパレータの製造方法 |
| JP7104790B2 (ja) * | 2017-12-26 | 2022-07-21 | ファイバーウェイ・マテリアルズ・サイエンス・アンド・テクノロジー・デベロップメント・カンパニー・リミテッド | 電池用セパレーター、その製造方法及び応用 |
| CN110350155B (zh) * | 2018-04-04 | 2022-01-14 | 北京师范大学 | 一种含沿横向拉伸方向取向的纳米纤维状多孔层的复合微孔膜 |
| CN109406006B (zh) * | 2018-10-20 | 2024-06-28 | 武汉惠强新能源材料科技有限公司 | 锂电池隔膜闭孔、破膜温度测试装置 |
| CN109499371B (zh) * | 2018-11-12 | 2021-10-15 | 苏州富淼膜科技有限公司 | 一种聚亚苯基砜内衬膜及其制备方法 |
| CN114552003A (zh) * | 2020-11-24 | 2022-05-27 | 天津大学 | 一种提高电解液加装性能的方法 |
| CN112582749B (zh) * | 2020-12-11 | 2022-09-13 | 重庆金美新材料科技有限公司 | 一种安全锂离子电池隔膜、制备方法及锂离子电池 |
| CN113363666B (zh) * | 2021-05-06 | 2022-09-09 | 惠州锂威新能源科技有限公司 | 隔膜的制备方法、隔膜及应用隔膜的电化学装置 |
| CN113594631A (zh) * | 2021-06-30 | 2021-11-02 | 华为技术有限公司 | 隔膜及其制备方法、二次电池和用电设备 |
| CN115513604B (zh) * | 2022-11-02 | 2023-12-22 | 上海恩捷新材料科技有限公司 | 高保液率的复合锂电池隔膜及其制备方法 |
| CN116903907B (zh) * | 2023-08-17 | 2024-03-22 | 深圳市三实新材料科技有限公司 | 一种防水透气膜的制备方法及其应用 |
| CN119297255A (zh) * | 2024-11-22 | 2025-01-10 | 湖北亿纬动力有限公司 | 复合电极活性层、电极片及二次电池 |
| CN120261919A (zh) * | 2025-05-30 | 2025-07-04 | 宁德卓高新材料科技有限公司 | 多孔复合隔膜及其制备方法、二次电池 |
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|---|---|---|---|---|
| CN101281961A (zh) * | 2007-04-06 | 2008-10-08 | 比亚迪股份有限公司 | 锂离子电池隔膜用的涂层组合物及该隔膜的制造方法 |
| CN102064300A (zh) * | 2010-12-25 | 2011-05-18 | 佛山塑料集团股份有限公司 | 一种锂离子二次电池用多孔复合隔膜及其制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080070107A1 (en) * | 2004-12-07 | 2008-03-20 | Shinji Kasamatsu | Separator and Non-Aqueous Electrolyte Secondary Battery Using Same |
| KR20080068722A (ko) * | 2005-10-24 | 2008-07-23 | 토넨 케미칼 코퍼레이션 | 폴리올레핀 다층 미세 다공막 및 그 제조 방법 및 전지용세페레이터 |
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| CN102394282B (zh) * | 2011-11-25 | 2014-12-10 | 佛山市金辉高科光电材料有限公司 | 一种锂离子二次电池多孔多层隔膜及其制造方法 |
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2011
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281961A (zh) * | 2007-04-06 | 2008-10-08 | 比亚迪股份有限公司 | 锂离子电池隔膜用的涂层组合物及该隔膜的制造方法 |
| CN102064300A (zh) * | 2010-12-25 | 2011-05-18 | 佛山塑料集团股份有限公司 | 一种锂离子二次电池用多孔复合隔膜及其制备方法 |
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