CN108682774B - 隔膜及其制备方法、锂电池 - Google Patents
隔膜及其制备方法、锂电池 Download PDFInfo
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- CN108682774B CN108682774B CN201810602548.1A CN201810602548A CN108682774B CN 108682774 B CN108682774 B CN 108682774B CN 201810602548 A CN201810602548 A CN 201810602548A CN 108682774 B CN108682774 B CN 108682774B
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- CN
- China
- Prior art keywords
- electroactive polymer
- base film
- nanofiber
- diaphragm
- film layer
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002121 nanofiber Substances 0.000 claims abstract description 128
- 229920001746 electroactive polymer Polymers 0.000 claims abstract description 87
- -1 polyphenylene Polymers 0.000 claims abstract description 34
- 239000011148 porous material Substances 0.000 claims abstract description 28
- 229920000265 Polyparaphenylene Polymers 0.000 claims abstract description 19
- 229920000767 polyaniline Polymers 0.000 claims abstract description 12
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001197 polyacetylene Polymers 0.000 claims abstract description 8
- 229920000417 polynaphthalene Polymers 0.000 claims abstract description 8
- 229920000128 polypyrrole Polymers 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 13
- 229920005672 polyolefin resin Polymers 0.000 claims description 13
- 238000011065 in-situ storage Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- 239000007800 oxidant agent Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920001046 Nanocellulose Polymers 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000003405 preventing effect Effects 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 23
- 229910001416 lithium ion Inorganic materials 0.000 description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 12
- 239000004760 aramid Substances 0.000 description 12
- 229920003235 aromatic polyamide Polymers 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000005662 Paraffin oil Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 8
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 6
- 229920001721 polyimide Polymers 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 239000011263 electroactive material Substances 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 210000004379 membrane Anatomy 0.000 description 5
- 238000002791 soaking Methods 0.000 description 5
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 4
- 210000002469 basement membrane Anatomy 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000011532 electronic conductor Substances 0.000 description 4
- 239000011268 mixed slurry Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- MMCPOSDMTGQNKG-UHFFFAOYSA-N anilinium chloride Chemical compound Cl.NC1=CC=CC=C1 MMCPOSDMTGQNKG-UHFFFAOYSA-N 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- JAYBIBLZTQMCAY-UHFFFAOYSA-N 3-decylthiophene Chemical compound CCCCCCCCCCC=1C=CSC=1 JAYBIBLZTQMCAY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 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
- 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
- H01M50/44—Fibrous material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810602548.1A CN108682774B (zh) | 2018-06-12 | 2018-06-12 | 隔膜及其制备方法、锂电池 |
Applications Claiming Priority (1)
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CN201810602548.1A CN108682774B (zh) | 2018-06-12 | 2018-06-12 | 隔膜及其制备方法、锂电池 |
Publications (2)
Publication Number | Publication Date |
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CN108682774A CN108682774A (zh) | 2018-10-19 |
CN108682774B true CN108682774B (zh) | 2022-01-14 |
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Family Applications (1)
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CN201810602548.1A Active CN108682774B (zh) | 2018-06-12 | 2018-06-12 | 隔膜及其制备方法、锂电池 |
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CN (1) | CN108682774B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110048062B (zh) * | 2019-03-25 | 2022-04-15 | 惠州锂威电子科技有限公司 | 一种防过充的电池隔膜及使用该隔膜的锂离子电池 |
CN113285173A (zh) * | 2021-05-20 | 2021-08-20 | 东华大学 | 阻燃玻璃纳米纤维复合电池隔膜及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1610146A (zh) * | 2004-10-12 | 2005-04-27 | 武汉大学 | 电压钳制隔膜及其制备方法 |
WO2013130723A1 (en) * | 2012-03-02 | 2013-09-06 | Cornell University | Lithium containing nanofibers |
CN107230764A (zh) * | 2017-07-19 | 2017-10-03 | 宁波柔创纳米科技有限公司 | 锂硫电池隔膜的制备方法、锂硫电池隔膜以及锂硫电池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5612854B2 (ja) * | 2006-04-28 | 2014-10-22 | エルジー・ケム・リミテッド | ゲルポリマー層を含む電池用分離膜 |
WO2013173377A1 (en) * | 2012-05-15 | 2013-11-21 | The Regents Of The University Of California | High-rate overcharge-protection separators for rechargeable lithium-ion batteries and the method of making the same |
JP2014127445A (ja) * | 2012-12-27 | 2014-07-07 | Nitto Denko Corp | 非水電解液二次電池 |
CN106702504A (zh) * | 2016-12-02 | 2017-05-24 | 武汉丽华楚材科技有限公司 | 一种锂电池隔离膜的涂布系统及涂布方法 |
-
2018
- 2018-06-12 CN CN201810602548.1A patent/CN108682774B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1610146A (zh) * | 2004-10-12 | 2005-04-27 | 武汉大学 | 电压钳制隔膜及其制备方法 |
WO2013130723A1 (en) * | 2012-03-02 | 2013-09-06 | Cornell University | Lithium containing nanofibers |
CN107230764A (zh) * | 2017-07-19 | 2017-10-03 | 宁波柔创纳米科技有限公司 | 锂硫电池隔膜的制备方法、锂硫电池隔膜以及锂硫电池 |
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