CN114566755A - 一种锂电池用含氟聚合物隔膜的制备方法 - Google Patents
一种锂电池用含氟聚合物隔膜的制备方法 Download PDFInfo
- Publication number
- CN114566755A CN114566755A CN202210144882.3A CN202210144882A CN114566755A CN 114566755 A CN114566755 A CN 114566755A CN 202210144882 A CN202210144882 A CN 202210144882A CN 114566755 A CN114566755 A CN 114566755A
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- Prior art keywords
- lithium battery
- preparing
- vdf
- fluorine
- fluoropolymer separator
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- Granted
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 28
- 239000011737 fluorine Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 16
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 claims abstract description 12
- YHLVIDQQTOMBGN-UHFFFAOYSA-N methyl prop-2-enyl carbonate Chemical compound COC(=O)OCC=C YHLVIDQQTOMBGN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920003192 poly(bis maleimide) Polymers 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 229920001577 copolymer Polymers 0.000 claims description 37
- 239000004745 nonwoven fabric Substances 0.000 claims description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- -1 2-hydroxy-methyl phenyl Chemical group 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 19
- 229920002313 fluoropolymer Polymers 0.000 claims description 17
- 239000004811 fluoropolymer Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 11
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 229920006026 co-polymeric resin Polymers 0.000 claims description 10
- 238000006115 defluorination reaction Methods 0.000 claims description 10
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 10
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 10
- 229960001545 hydrotalcite Drugs 0.000 claims description 10
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000035484 reaction time Effects 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 4
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 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 4
- 239000002131 composite material Substances 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 4
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- 244000028419 Styrax benzoin Species 0.000 claims description 2
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 2
- 229960002130 benzoin Drugs 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 235000019382 gum benzoic Nutrition 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000005796 dehydrofluorination reaction Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 8
- 239000002033 PVDF binder Substances 0.000 description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 7
- 238000001723 curing Methods 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 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 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 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
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012949 free radical photoinitiator Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- H01M50/423—Polyamide resins
-
- 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
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Cell Separators (AREA)
Abstract
Description
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CN202210144882.3A CN114566755B (zh) | 2022-02-17 | 2022-02-17 | 一种锂电池用含氟聚合物隔膜的制备方法 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040167282A1 (en) * | 2002-12-24 | 2004-08-26 | Thierry Pascal | Composition based on a heterogeneous PVDF and on an aromatic bis-imide, that can be crosslinked by ionizing radiation |
KR20150072533A (ko) * | 2013-12-19 | 2015-06-30 | 도레이케미칼 주식회사 | 친수화 개질된 폴리비닐리덴플루오라이드 분리막 및 그 제조방법 |
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 |
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 |
KR20210053035A (ko) * | 2019-11-01 | 2021-05-11 | 주식회사 엘지화학 | 세퍼레이터, 세퍼레이터를 포함하는 리튬 이차 전지 및 이의 제조방법 |
CN113594632A (zh) * | 2021-07-30 | 2021-11-02 | 中材锂膜有限公司 | 一种低水分溶剂型pvdf涂覆隔膜 |
-
2022
- 2022-02-17 CN CN202210144882.3A patent/CN114566755B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040167282A1 (en) * | 2002-12-24 | 2004-08-26 | Thierry Pascal | Composition based on a heterogeneous PVDF and on an aromatic bis-imide, that can be crosslinked by ionizing radiation |
KR20150072533A (ko) * | 2013-12-19 | 2015-06-30 | 도레이케미칼 주식회사 | 친수화 개질된 폴리비닐리덴플루오라이드 분리막 및 그 제조방법 |
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 |
KR20210053035A (ko) * | 2019-11-01 | 2021-05-11 | 주식회사 엘지화학 | 세퍼레이터, 세퍼레이터를 포함하는 리튬 이차 전지 및 이의 제조방법 |
CN113594632A (zh) * | 2021-07-30 | 2021-11-02 | 中材锂膜有限公司 | 一种低水分溶剂型pvdf涂覆隔膜 |
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