CN112234314B - 一种复合浆料、锂电隔膜及其制备方法和应用 - Google Patents
一种复合浆料、锂电隔膜及其制备方法和应用 Download PDFInfo
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- CN112234314B CN112234314B CN202011042213.2A CN202011042213A CN112234314B CN 112234314 B CN112234314 B CN 112234314B CN 202011042213 A CN202011042213 A CN 202011042213A CN 112234314 B CN112234314 B CN 112234314B
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- lithium
- slurry
- composite slurry
- lithium battery
- diaphragm
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- 239000002002 slurry Substances 0.000 title claims abstract description 77
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 65
- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 30
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 25
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 25
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 17
- 150000002642 lithium compounds Chemical class 0.000 claims abstract description 16
- 230000007935 neutral effect Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims description 41
- 239000011248 coating agent Substances 0.000 claims description 38
- 238000001035 drying Methods 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 20
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 7
- -1 lithium tetrafluoroborate Chemical compound 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 3
- 235000011054 acetic acid Nutrition 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical group FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 29
- 239000004745 nonwoven fabric Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 238000005524 ceramic coating Methods 0.000 description 4
- 238000007602 hot air drying Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 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 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 239000006255 coating slurry Substances 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 1
- VOEUMFXKYRCDKK-UHFFFAOYSA-N FS(=N)F.FS(=N)F.[Li] Chemical compound FS(=N)F.FS(=N)F.[Li] VOEUMFXKYRCDKK-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XPVRBHCXMWRJEY-UHFFFAOYSA-N difluoro(imino)-$l^{4}-sulfane Chemical compound FS(F)=N XPVRBHCXMWRJEY-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
Abstract
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CN114122316B (zh) * | 2021-11-22 | 2024-01-30 | 远景动力技术(江苏)有限公司 | 负极及其用途 |
CN114335897A (zh) * | 2021-12-30 | 2022-04-12 | 珠海冠宇电池股份有限公司 | 一种隔膜和包括该隔膜的锂离子电池 |
CN115084775B (zh) * | 2022-05-17 | 2023-08-01 | 东华大学 | 一种锂离子电池用离子交换聚丙烯隔膜的制备方法 |
Citations (7)
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CN102643450A (zh) * | 2012-04-23 | 2012-08-22 | 深圳华粤宝电池有限公司 | 一种微孔复合聚合物电池隔膜的制备工艺 |
CN104600357A (zh) * | 2014-12-08 | 2015-05-06 | 上海大学 | 聚合物复合材料固态电解质及其制备方法 |
CN107039623A (zh) * | 2017-03-24 | 2017-08-11 | 江苏乐能电池股份有限公司 | 一种改善锂离子电池低温性能的复合隔膜及其锂离子电池 |
CN108550772A (zh) * | 2018-06-06 | 2018-09-18 | 天津东皋膜技术有限公司 | 聚合物锂盐粘合剂及锂离子电池隔膜涂层和制备方法应用 |
CN108717965A (zh) * | 2018-06-01 | 2018-10-30 | 江苏清陶能源科技有限公司 | 一种锂离子电池用功能陶瓷涂层隔膜及其制备方法 |
CN108948242A (zh) * | 2017-08-09 | 2018-12-07 | 浙江林奈新能源有限公司 | 一种用于电解质的聚丙烯酸酯的制备方法 |
CN109950459A (zh) * | 2019-03-26 | 2019-06-28 | 广东九州太阳能科技有限公司 | 一种富锂的锂离子电池隔膜 |
-
2020
- 2020-09-28 CN CN202011042213.2A patent/CN112234314B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102643450A (zh) * | 2012-04-23 | 2012-08-22 | 深圳华粤宝电池有限公司 | 一种微孔复合聚合物电池隔膜的制备工艺 |
CN104600357A (zh) * | 2014-12-08 | 2015-05-06 | 上海大学 | 聚合物复合材料固态电解质及其制备方法 |
CN107039623A (zh) * | 2017-03-24 | 2017-08-11 | 江苏乐能电池股份有限公司 | 一种改善锂离子电池低温性能的复合隔膜及其锂离子电池 |
CN108948242A (zh) * | 2017-08-09 | 2018-12-07 | 浙江林奈新能源有限公司 | 一种用于电解质的聚丙烯酸酯的制备方法 |
CN108717965A (zh) * | 2018-06-01 | 2018-10-30 | 江苏清陶能源科技有限公司 | 一种锂离子电池用功能陶瓷涂层隔膜及其制备方法 |
CN108550772A (zh) * | 2018-06-06 | 2018-09-18 | 天津东皋膜技术有限公司 | 聚合物锂盐粘合剂及锂离子电池隔膜涂层和制备方法应用 |
CN109950459A (zh) * | 2019-03-26 | 2019-06-28 | 广东九州太阳能科技有限公司 | 一种富锂的锂离子电池隔膜 |
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Effective date of registration: 20240222 Address after: No.28 Zhongshan East Street, Yongji aluminum deep processing Industrial Park, Yuncheng City, Shanxi Province 044500 Patentee after: Shanxi lanketu New Material Technology Co.,Ltd. Country or region after: China Address before: 528000 17 / F, building 2, block 1, 28 Jihua 1st Road, Chancheng District, Foshan City, Guangdong Province Patentee before: Foshan Jinhui Gao Ke photoelectric material Limited by Share Ltd. Country or region before: China |