CN114512766A - 一种采用vdf聚合物水性涂布液的锂电池隔膜制备方法 - Google Patents
一种采用vdf聚合物水性涂布液的锂电池隔膜制备方法 Download PDFInfo
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- CN114512766A CN114512766A CN202210145175.6A CN202210145175A CN114512766A CN 114512766 A CN114512766 A CN 114512766A CN 202210145175 A CN202210145175 A CN 202210145175A CN 114512766 A CN114512766 A CN 114512766A
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- lithium battery
- vdf polymer
- aqueous coating
- coating solution
- battery separator
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- 238000000576 coating method Methods 0.000 title claims abstract description 100
- 239000011248 coating agent Substances 0.000 title claims abstract description 98
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 79
- 229920000642 polymer Polymers 0.000 title claims abstract description 75
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000002033 PVDF binder Substances 0.000 claims abstract description 14
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 14
- -1 polyethylene Polymers 0.000 claims description 20
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- XSAOIFHNXYIRGG-UHFFFAOYSA-M lithium;prop-2-enoate Chemical compound [Li+].[O-]C(=O)C=C XSAOIFHNXYIRGG-UHFFFAOYSA-M 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
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- 239000004743 Polypropylene Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- MHWAJHABMBTNHS-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2,2-tetrafluoroethene Chemical group FC(F)=C.FC(F)=C(F)F MHWAJHABMBTNHS-UHFFFAOYSA-N 0.000 claims description 5
- OQMIRQSWHKCKNJ-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2,3,3,3-hexafluoroprop-1-ene Chemical group FC(F)=C.FC(F)=C(F)C(F)(F)F OQMIRQSWHKCKNJ-UHFFFAOYSA-N 0.000 claims description 5
- XLOFNXVVMRAGLZ-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2-trifluoroethene Chemical group FC(F)=C.FC=C(F)F XLOFNXVVMRAGLZ-UHFFFAOYSA-N 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- DHBXNPKRAUYBTH-UHFFFAOYSA-N 1,1-ethanedithiol Chemical compound CC(S)S DHBXNPKRAUYBTH-UHFFFAOYSA-N 0.000 claims description 4
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 4
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 claims description 4
- 229950006389 thiodiglycol Drugs 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- UOQACRNTVQWTFF-UHFFFAOYSA-N decane-1,10-dithiol Chemical compound SCCCCCCCCCCS UOQACRNTVQWTFF-UHFFFAOYSA-N 0.000 claims description 3
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 3
- 125000006832 (C1-C10) alkylene group Chemical group 0.000 claims description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000012957 2-hydroxy-2-methyl-1-phenylpropanone Substances 0.000 claims description 2
- 238000006115 defluorination reaction Methods 0.000 claims description 2
- 238000003760 magnetic stirring Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 150000002923 oximes Chemical class 0.000 claims description 2
- 239000002952 polymeric resin Substances 0.000 claims description 2
- 125000002653 sulfanylmethyl group Chemical group [H]SC([H])([H])[*] 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- ARGICNMLPHJXTP-UHFFFAOYSA-N [SiH4].C(=C)C(OC(CCC)=NO)C(COC(CCC)=O)OC(CCC)=O Chemical compound [SiH4].C(=C)C(OC(CCC)=NO)C(COC(CCC)=O)OC(CCC)=O ARGICNMLPHJXTP-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005796 dehydrofluorination reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
Description
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CN202210145175.6A CN114512766B (zh) | 2022-02-17 | 2022-02-17 | 一种采用vdf聚合物水性涂布液的锂电池隔膜制备方法 |
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CN202210145175.6A CN114512766B (zh) | 2022-02-17 | 2022-02-17 | 一种采用vdf聚合物水性涂布液的锂电池隔膜制备方法 |
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Citations (10)
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JPH11214036A (ja) * | 1998-01-21 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 高分子電解質セパレーター、リチウム二次電池およびその製造方法 |
KR20150072533A (ko) * | 2013-12-19 | 2015-06-30 | 도레이케미칼 주식회사 | 친수화 개질된 폴리비닐리덴플루오라이드 분리막 및 그 제조방법 |
CN106450112A (zh) * | 2016-11-25 | 2017-02-22 | 上海恩捷新材料科技股份有限公司 | 一种电池隔离膜的制备方法 |
CN106953050A (zh) * | 2017-02-13 | 2017-07-14 | 河北金力新能源科技股份有限公司 | 一种耐高温多层隔膜复合锂离子电池隔膜及其制备方法 |
CN108198986A (zh) * | 2017-12-29 | 2018-06-22 | 上海恩捷新材料科技股份有限公司 | 一种硅烷交联聚合物隔离膜及其制备方法 |
CN108847468A (zh) * | 2018-09-11 | 2018-11-20 | 江苏清陶能源科技有限公司 | 一种水性pvdf涂覆的锂离子电池隔膜及其制备方法 |
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 |
CN109285984A (zh) * | 2018-11-29 | 2019-01-29 | 中科院广州化学有限公司 | 一种用于锂离子电池隔膜的cmsq原位接枝改性的电纺纳米纤维膜及其制备方法 |
CN109786637A (zh) * | 2019-01-25 | 2019-05-21 | 深圳锂硫科技有限公司 | 一种锂电池隔膜及其制备方法 |
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 |
-
2022
- 2022-02-17 CN CN202210145175.6A patent/CN114512766B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11214036A (ja) * | 1998-01-21 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 高分子電解質セパレーター、リチウム二次電池およびその製造方法 |
KR20150072533A (ko) * | 2013-12-19 | 2015-06-30 | 도레이케미칼 주식회사 | 친수화 개질된 폴리비닐리덴플루오라이드 분리막 및 그 제조방법 |
CN106450112A (zh) * | 2016-11-25 | 2017-02-22 | 上海恩捷新材料科技股份有限公司 | 一种电池隔离膜的制备方法 |
CN106953050A (zh) * | 2017-02-13 | 2017-07-14 | 河北金力新能源科技股份有限公司 | 一种耐高温多层隔膜复合锂离子电池隔膜及其制备方法 |
CN108198986A (zh) * | 2017-12-29 | 2018-06-22 | 上海恩捷新材料科技股份有限公司 | 一种硅烷交联聚合物隔离膜及其制备方法 |
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 |
CN108847468A (zh) * | 2018-09-11 | 2018-11-20 | 江苏清陶能源科技有限公司 | 一种水性pvdf涂覆的锂离子电池隔膜及其制备方法 |
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 |
CN109285984A (zh) * | 2018-11-29 | 2019-01-29 | 中科院广州化学有限公司 | 一种用于锂离子电池隔膜的cmsq原位接枝改性的电纺纳米纤维膜及其制备方法 |
CN109786637A (zh) * | 2019-01-25 | 2019-05-21 | 深圳锂硫科技有限公司 | 一种锂电池隔膜及其制备方法 |
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