CN114204211A - 一种vdf聚合物锂电池隔膜涂布液及锂电池隔膜的制备方法 - Google Patents
一种vdf聚合物锂电池隔膜涂布液及锂电池隔膜的制备方法 Download PDFInfo
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- CN114204211A CN114204211A CN202111504265.1A CN202111504265A CN114204211A CN 114204211 A CN114204211 A CN 114204211A CN 202111504265 A CN202111504265 A CN 202111504265A CN 114204211 A CN114204211 A CN 114204211A
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- CN
- China
- Prior art keywords
- lithium battery
- coating liquid
- vdf polymer
- battery separator
- polymer lithium
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 109
- 229920000642 polymer Polymers 0.000 title claims abstract description 98
- 239000011248 coating agent Substances 0.000 title claims abstract description 89
- 238000000576 coating method Methods 0.000 title claims abstract description 89
- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 21
- -1 polyethylene Polymers 0.000 claims description 19
- 239000002033 PVDF binder Substances 0.000 claims description 18
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 18
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 14
- 229910052753 mercury Inorganic materials 0.000 claims description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 claims description 8
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 238000006115 defluorination reaction Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000002952 polymeric resin Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 6
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 4
- 244000028419 Styrax benzoin Species 0.000 claims description 3
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 3
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 3
- 229960002130 benzoin Drugs 0.000 claims description 3
- 235000019382 gum benzoic Nutrition 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 7
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 239000006255 coating slurry Substances 0.000 abstract description 2
- 239000002346 layers by function Substances 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 abstract description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 20
- 238000004804 winding Methods 0.000 description 20
- 239000011162 core material Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011258 core-shell material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000010954 inorganic particle Substances 0.000 description 5
- 239000002985 plastic film Substances 0.000 description 5
- 229920006255 plastic film Polymers 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical group C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical compound FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (15)
Priority Applications (1)
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CN202111504265.1A CN114204211B (zh) | 2021-12-10 | 2021-12-10 | 一种vdf聚合物锂电池隔膜涂布液及锂电池隔膜的制备方法 |
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CN202111504265.1A CN114204211B (zh) | 2021-12-10 | 2021-12-10 | 一种vdf聚合物锂电池隔膜涂布液及锂电池隔膜的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN114204211A true CN114204211A (zh) | 2022-03-18 |
CN114204211B CN114204211B (zh) | 2023-08-29 |
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CN202111504265.1A Active CN114204211B (zh) | 2021-12-10 | 2021-12-10 | 一种vdf聚合物锂电池隔膜涂布液及锂电池隔膜的制备方法 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109244322A (zh) * | 2018-09-18 | 2019-01-18 | 武汉惠强新能源材料科技有限公司 | 一种锂离子电池隔膜用水性涂层及其制备方法、应用 |
CN110021730A (zh) * | 2018-01-09 | 2019-07-16 | 三星电子株式会社 | 复合膜、包括复合膜的负极结构体、包括负极结构体的锂电池和制造复合膜的方法 |
-
2021
- 2021-12-10 CN CN202111504265.1A patent/CN114204211B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110021730A (zh) * | 2018-01-09 | 2019-07-16 | 三星电子株式会社 | 复合膜、包括复合膜的负极结构体、包括负极结构体的锂电池和制造复合膜的方法 |
CN109244322A (zh) * | 2018-09-18 | 2019-01-18 | 武汉惠强新能源材料科技有限公司 | 一种锂离子电池隔膜用水性涂层及其制备方法、应用 |
Non-Patent Citations (2)
Title |
---|
孙亚娟: "巯基均三嗪和有机硅烷类交联剂对聚氯乙烯糊树脂的交联改性", 北京化工大学学报(自然科学版), pages 32 - 35 * |
胡健康: "PVDF-HFP/交联PEGMEMA锂离子电池隔膜的制备与性能研究", 工程科技Ⅱ辑, pages 17 - 30 * |
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CN114204211B (zh) | 2023-08-29 |
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Effective date of registration: 20240423 Address after: 324000 Kecheng District, Quzhou City, Zhejiang Province Patentee after: ZHEJIANG JUSHENG FLUOROCHEMICAL CO.,LTD. Country or region after: China Address before: Zhejiang province Quzhou City Kecheng District 324004 Patentee before: ZHEJIANG JUSHENG FLUOROCHEMICAL CO.,LTD. Country or region before: China Patentee before: ZHEJIANG JUHUA Co.,Ltd. FLUOR POLYMERIC PLANT |
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