CN112787041B - 一种用于锂电池的复合隔膜及其制备方法 - Google Patents
一种用于锂电池的复合隔膜及其制备方法 Download PDFInfo
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- CN112787041B CN112787041B CN202010335357.0A CN202010335357A CN112787041B CN 112787041 B CN112787041 B CN 112787041B CN 202010335357 A CN202010335357 A CN 202010335357A CN 112787041 B CN112787041 B CN 112787041B
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- 239000002131 composite material Substances 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 239000000839 emulsion Substances 0.000 claims abstract description 97
- 239000000919 ceramic Substances 0.000 claims abstract description 74
- 229920006267 polyester film Polymers 0.000 claims abstract description 69
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 239000000843 powder Substances 0.000 claims abstract description 36
- 229920002635 polyurethane Polymers 0.000 claims abstract description 35
- 239000004814 polyurethane Substances 0.000 claims abstract description 35
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 34
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims abstract description 27
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims abstract description 27
- 229910052709 silver Inorganic materials 0.000 claims abstract description 25
- 239000004332 silver Substances 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 240000008564 Boehmeria nivea Species 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 36
- 238000003756 stirring Methods 0.000 claims description 36
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 33
- 229920002530 polyetherether ketone Polymers 0.000 claims description 33
- 229920002301 cellulose acetate Polymers 0.000 claims description 21
- 238000010041 electrostatic spinning Methods 0.000 claims description 20
- SJOCPYUKFOTDAN-ZSOIEALJSA-N methyl (4z)-4-hydroxyimino-6,6-dimethyl-3-methylsulfanyl-5,7-dihydro-2-benzothiophene-1-carboxylate Chemical group C1C(C)(C)C\C(=N\O)C=2C1=C(C(=O)OC)SC=2SC SJOCPYUKFOTDAN-ZSOIEALJSA-N 0.000 claims description 18
- 239000010453 quartz Substances 0.000 claims description 18
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 18
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 18
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 18
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 16
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 229920001230 polyarylate Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 229920005749 polyurethane resin Polymers 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000012745 toughening agent Substances 0.000 claims description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- HQWCRALVTUMYCU-UHFFFAOYSA-L zinc formic acid dichloride Chemical compound [Cl-].[Zn+2].C(=O)O.[Cl-] HQWCRALVTUMYCU-UHFFFAOYSA-L 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000011118 polyvinyl acetate Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 235000005074 zinc chloride Nutrition 0.000 claims description 3
- 239000011592 zinc chloride Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 79
- 239000002585 base Substances 0.000 description 36
- -1 polyethylene Polymers 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 229920000098 polyolefin Polymers 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 229920001634 Copolyester Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000090 poly(aryl ether) Polymers 0.000 description 1
- 229920006260 polyaryletherketone Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Separators (AREA)
Abstract
Description
样品 | 热分解温度/℃ | 纵向热收缩率/% | 横向热收缩率/% |
实施例1 | 456 | 11.25 | 12.55 |
实施例2 | 448 | 12.66 | 13.24 |
实施例3 | 451 | 12.94 | 13.78 |
实施例4 | 447 | 13.31 | 14.12 |
实施例5 | 453 | 13.29 | 14.69 |
对比例1 | 325 | 20.87 | 22.36 |
对比例2 | 426 | 17.26 | 18.54 |
对比例3 | 438 | 16.54 | 16.77 |
对比例4 | 440 | 15.98 | 17.21 |
对比例5 | 442 | 14.47 | 15.32 |
Claims (2)
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CN202010335357.0A CN112787041B (zh) | 2020-04-24 | 2020-04-24 | 一种用于锂电池的复合隔膜及其制备方法 |
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CN202010335357.0A CN112787041B (zh) | 2020-04-24 | 2020-04-24 | 一种用于锂电池的复合隔膜及其制备方法 |
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CN112787041A CN112787041A (zh) | 2021-05-11 |
CN112787041B true CN112787041B (zh) | 2022-06-28 |
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Families Citing this family (2)
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CN113832776A (zh) * | 2021-08-13 | 2021-12-24 | 江苏劲源新能源科技有限公司 | 一种锂电池封装用青稞纸及其制备方法 |
CN115498358B (zh) * | 2022-08-30 | 2023-12-12 | 苏州大学 | 一种锂电池用纤维素隔膜的制备方法 |
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JP4178624B2 (ja) * | 1998-11-02 | 2008-11-12 | 東レ株式会社 | 白色積層ポリエステルフィルム |
KR20090009107A (ko) * | 2007-07-19 | 2009-01-22 | 도레이 카부시키가이샤 | 백색 폴리에스테르필름 |
DE102014210214A1 (de) * | 2014-05-28 | 2015-12-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verwendung von Oxyimid-enthaltenden Copolymeren oder Polymeren als Flammschutzmittel, Stabilisatoren, Rheologiemodifikatoren für Kunststoffe, Initiatoren für Polymerisations- und Pfropfprozesse, Vernetzungs- oder Kopplungsmittel sowie solche Copolymere oder Polymere enthaltende Kunststoffformmassen |
CN108641526A (zh) * | 2018-05-09 | 2018-10-12 | 合肥展游软件开发有限公司 | 一种电子产品用导热涂料及其制备方法 |
CN108717965B (zh) * | 2018-06-01 | 2020-11-03 | 江苏清陶能源科技有限公司 | 一种锂离子电池用功能陶瓷涂层隔膜及其制备方法 |
CN108807803A (zh) * | 2018-08-23 | 2018-11-13 | 河北金力新能源科技股份有限公司 | 电池用隔膜及其制备方法 |
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Effective date of registration: 20220519 Address after: 518000 No. 3039 Baoan North Road, Luohu District, Shenzhen, Guangdong. Applicant after: Liu Qiao Address before: 1219, No.16, Sanhe overseas Chinese Second District, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN MAIQUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240822 Address after: Building 11, No. 159 Keji Road, Sanshui Street, Jiangyan District, Taizhou City, Jiangsu Province, China 225300 Patentee after: Taizhou Jicui Fengfang New Material Technology Co.,Ltd. Country or region after: China Address before: 518000 No. 3039 Baoan North Road, Luohu District, Shenzhen, Guangdong. Patentee before: Liu Qiao Country or region before: China |