CN110571395A - 一种锂离子电池隔膜及其制备方法 - Google Patents
一种锂离子电池隔膜及其制备方法 Download PDFInfo
- Publication number
- CN110571395A CN110571395A CN201910817236.7A CN201910817236A CN110571395A CN 110571395 A CN110571395 A CN 110571395A CN 201910817236 A CN201910817236 A CN 201910817236A CN 110571395 A CN110571395 A CN 110571395A
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- pvdf
- lithium ion
- ion battery
- coating
- pvdf1
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002033 PVDF binder Substances 0.000 claims abstract description 80
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 80
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 239000011268 mixed slurry Substances 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 229920001577 copolymer Polymers 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000002562 thickening agent Substances 0.000 claims description 27
- -1 polyoxyethylene Polymers 0.000 claims description 24
- 239000002585 base Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 21
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 8
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000006255 coating slurry Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical compound CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 3
- 150000001346 alkyl aryl ethers Chemical class 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920000120 polyethyl acrylate Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- IJVRPNIWWODHHA-UHFFFAOYSA-N 2-cyanoprop-2-enoic acid Chemical compound OC(=O)C(=C)C#N IJVRPNIWWODHHA-UHFFFAOYSA-N 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920001289 polyvinyl ether Polymers 0.000 claims description 2
- 229940069328 povidone Drugs 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000002522 swelling effect Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000007731 hot pressing Methods 0.000 description 8
- 230000008961 swelling Effects 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011245 gel electrolyte Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- AFVLVVWMAFSXCK-VMPITWQZSA-N alpha-cyano-4-hydroxycinnamic acid Chemical group OC(=O)C(\C#N)=C\C1=CC=C(O)C=C1 AFVLVVWMAFSXCK-VMPITWQZSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance 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
- 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
- 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
-
- 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
Abstract
Description
热压时间(s) | 附着力(N/m) | 透气值(s/100cc)吸液率 | 离子电导率(mS/cm) | 吸液量(g/m<sup>2</sup>) | |
实例1 | 35 | 35 | 200130% | 0.7 | 30.92 |
实例2 | 30 | 40 | 205145% | 0.72 | 31.36 |
对比例1 | 50 | 28 | 208108% | 0.64 | 28.21 |
Claims (11)
Priority Applications (1)
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CN201910817236.7A CN110571395A (zh) | 2019-08-30 | 2019-08-30 | 一种锂离子电池隔膜及其制备方法 |
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CN201910817236.7A CN110571395A (zh) | 2019-08-30 | 2019-08-30 | 一种锂离子电池隔膜及其制备方法 |
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CN201910817236.7A Pending CN110571395A (zh) | 2019-08-30 | 2019-08-30 | 一种锂离子电池隔膜及其制备方法 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111293261A (zh) * | 2020-02-27 | 2020-06-16 | 盐山万兴新能源有限公司 | 单层pvdf电池隔膜及其制备方法 |
CN111509169A (zh) * | 2020-01-17 | 2020-08-07 | 江苏厚生新能源科技有限公司 | 高粘结性一体化锂电池隔膜及其制备方法、混合涂层 |
CN111613759A (zh) * | 2020-05-27 | 2020-09-01 | 湖北亿纬动力有限公司 | 一种隔膜浆料及其制备方法、隔膜和锂离子电池 |
CN111769243A (zh) * | 2020-06-29 | 2020-10-13 | 珠海恩捷新材料科技有限公司 | 一种数码电池隔膜及其制备方法 |
CN112018311A (zh) * | 2020-09-10 | 2020-12-01 | 青岛蓝科途膜材料有限公司 | 一种锂离子电池隔膜、其制备方法及其应用 |
CN114122623A (zh) * | 2020-08-31 | 2022-03-01 | 青岛蓝科途膜材料有限公司 | 一种锂离子电池隔膜、其制备方法及其应用 |
CN114156595A (zh) * | 2021-12-02 | 2022-03-08 | 新乡市中科科技有限公司 | 一种半固态锂电池用复合隔膜及其制备方法 |
CN114256561A (zh) * | 2021-11-19 | 2022-03-29 | 国科广化韶关新材料研究院 | 一种用于锂金属电池的复合隔膜及其制备方法 |
CN114284638A (zh) * | 2021-11-19 | 2022-04-05 | 国科广化韶关新材料研究院 | 一种锂金属电池的有机无机杂化隔膜及其制备方法和锂金属电池 |
CN114665218A (zh) * | 2022-03-01 | 2022-06-24 | 中材锂膜有限公司 | 电池隔膜及其制备方法和电池 |
CN114824161A (zh) * | 2022-03-30 | 2022-07-29 | 宁德新能源科技有限公司 | 电化学装置及电子装置 |
CN113437435B (zh) * | 2021-06-23 | 2023-05-26 | 江苏星源新材料科技有限公司 | 涂覆浆料、涂覆隔膜及其制备方法 |
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CN108539095A (zh) * | 2018-04-03 | 2018-09-14 | 上海恩捷新材料科技股份有限公司 | 电池涂布膜浆料、电池隔膜、二次电池及其制备方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111509169A (zh) * | 2020-01-17 | 2020-08-07 | 江苏厚生新能源科技有限公司 | 高粘结性一体化锂电池隔膜及其制备方法、混合涂层 |
CN111509169B (zh) * | 2020-01-17 | 2022-06-17 | 江苏厚生新能源科技有限公司 | 高粘结性一体化锂电池隔膜及其制备方法、混合涂层 |
CN111293261A (zh) * | 2020-02-27 | 2020-06-16 | 盐山万兴新能源有限公司 | 单层pvdf电池隔膜及其制备方法 |
CN111613759A (zh) * | 2020-05-27 | 2020-09-01 | 湖北亿纬动力有限公司 | 一种隔膜浆料及其制备方法、隔膜和锂离子电池 |
CN111769243A (zh) * | 2020-06-29 | 2020-10-13 | 珠海恩捷新材料科技有限公司 | 一种数码电池隔膜及其制备方法 |
CN111769243B (zh) * | 2020-06-29 | 2021-03-19 | 珠海恩捷新材料科技有限公司 | 一种数码电池隔膜及其制备方法 |
CN114122623A (zh) * | 2020-08-31 | 2022-03-01 | 青岛蓝科途膜材料有限公司 | 一种锂离子电池隔膜、其制备方法及其应用 |
CN112018311A (zh) * | 2020-09-10 | 2020-12-01 | 青岛蓝科途膜材料有限公司 | 一种锂离子电池隔膜、其制备方法及其应用 |
CN113437435B (zh) * | 2021-06-23 | 2023-05-26 | 江苏星源新材料科技有限公司 | 涂覆浆料、涂覆隔膜及其制备方法 |
CN114256561A (zh) * | 2021-11-19 | 2022-03-29 | 国科广化韶关新材料研究院 | 一种用于锂金属电池的复合隔膜及其制备方法 |
CN114284638A (zh) * | 2021-11-19 | 2022-04-05 | 国科广化韶关新材料研究院 | 一种锂金属电池的有机无机杂化隔膜及其制备方法和锂金属电池 |
CN114156595A (zh) * | 2021-12-02 | 2022-03-08 | 新乡市中科科技有限公司 | 一种半固态锂电池用复合隔膜及其制备方法 |
CN114156595B (zh) * | 2021-12-02 | 2024-04-02 | 新乡市中科科技有限公司 | 一种半固态锂电池用复合隔膜及其制备方法 |
CN114665218A (zh) * | 2022-03-01 | 2022-06-24 | 中材锂膜有限公司 | 电池隔膜及其制备方法和电池 |
CN114824161A (zh) * | 2022-03-30 | 2022-07-29 | 宁德新能源科技有限公司 | 电化学装置及电子装置 |
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