CN110649313A - 一种无隔膜的锂离子电池及其制备方法 - Google Patents
一种无隔膜的锂离子电池及其制备方法 Download PDFInfo
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- CN110649313A CN110649313A CN201910973678.0A CN201910973678A CN110649313A CN 110649313 A CN110649313 A CN 110649313A CN 201910973678 A CN201910973678 A CN 201910973678A CN 110649313 A CN110649313 A CN 110649313A
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- Prior art keywords
- lithium ion
- ion battery
- diaphragm
- functional coating
- hydrophilic chain
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 69
- 238000000576 coating method Methods 0.000 claims abstract description 69
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims abstract description 34
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 37
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 33
- 239000003999 initiator Substances 0.000 claims description 24
- 239000000178 monomer Substances 0.000 claims description 24
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical group N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 22
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 19
- 229920002554 vinyl polymer Polymers 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 14
- 239000013543 active substance Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 239000002210 silicon-based material Substances 0.000 claims description 10
- 239000002033 PVDF binder Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- -1 polypropylene carbonate Polymers 0.000 claims description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 7
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 7
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 7
- 239000011976 maleic acid Substances 0.000 claims description 7
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 7
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 7
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 7
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 6
- 229920000379 polypropylene carbonate Polymers 0.000 claims description 6
- 229920001451 polypropylene glycol Polymers 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 5
- ADKPKEZZYOUGBZ-UHFFFAOYSA-N [C].[O].[Si] Chemical compound [C].[O].[Si] ADKPKEZZYOUGBZ-UHFFFAOYSA-N 0.000 claims description 4
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000011267 electrode slurry Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001444 polymaleic acid Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005303 weighing Methods 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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
编号 | 体积能量密度(Wh/L) | 吸液率(g/m<sup>2</sup>) | 100周容量保持率(%) |
实施例1 | 606.2 | 25.3 | 93.4 |
实施例2 | 595.5 | 22.1 | 92.1 |
实施例3 | 590.3 | 20.6 | 91.7 |
对比例1 | 581.1 | 17.6 | 90.2 |
Claims (10)
Priority Applications (1)
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CN201910973678.0A CN110649313B (zh) | 2019-10-14 | 2019-10-14 | 一种无隔膜的锂离子电池及其制备方法 |
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CN201910973678.0A CN110649313B (zh) | 2019-10-14 | 2019-10-14 | 一种无隔膜的锂离子电池及其制备方法 |
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CN110649313A true CN110649313A (zh) | 2020-01-03 |
CN110649313B CN110649313B (zh) | 2021-09-14 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114203962A (zh) * | 2021-12-13 | 2022-03-18 | 珠海冠宇动力电池有限公司 | 极片、电芯及电池 |
CN114695835A (zh) * | 2020-12-31 | 2022-07-01 | 北京卫蓝新能源科技有限公司 | 一种高安全结构电极极片和锂电池 |
WO2023164917A1 (zh) * | 2022-03-04 | 2023-09-07 | 宁德时代新能源科技股份有限公司 | 负极组合物、负极浆料、负极极片、二次电池及含有该二次电池的用电装置 |
Citations (6)
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JP2016028376A (ja) * | 2014-07-10 | 2016-02-25 | 三星エスディアイ株式会社Samsung SDI Co.,Ltd. | 二次電池用バインダ、二次電池用セパレータ、及び二次電池 |
CN105958112A (zh) * | 2016-06-24 | 2016-09-21 | 合肥国轩高科动力能源有限公司 | 一种无隔膜的锂离子电池卷芯及其制备方法 |
WO2017030811A1 (en) * | 2015-08-19 | 2017-02-23 | Drexel University | Hybrid electrolytes with controlled network structures for lithium metal batteries |
CN109119574A (zh) * | 2018-08-15 | 2019-01-01 | 苏州大学 | 基于交联与线形聚合物的多孔性锂离子电池隔膜及其制备方法与应用 |
CN109786621A (zh) * | 2018-12-17 | 2019-05-21 | 中科院广州化学有限公司 | 一种用于高性能锂电池的倍半硅氧烷改性的纤维隔膜及其制备方法 |
CN110172115A (zh) * | 2019-04-19 | 2019-08-27 | 华中科技大学 | 一种聚合物电解质的制备方法及其应用 |
-
2019
- 2019-10-14 CN CN201910973678.0A patent/CN110649313B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016028376A (ja) * | 2014-07-10 | 2016-02-25 | 三星エスディアイ株式会社Samsung SDI Co.,Ltd. | 二次電池用バインダ、二次電池用セパレータ、及び二次電池 |
WO2017030811A1 (en) * | 2015-08-19 | 2017-02-23 | Drexel University | Hybrid electrolytes with controlled network structures for lithium metal batteries |
CN105958112A (zh) * | 2016-06-24 | 2016-09-21 | 合肥国轩高科动力能源有限公司 | 一种无隔膜的锂离子电池卷芯及其制备方法 |
CN109119574A (zh) * | 2018-08-15 | 2019-01-01 | 苏州大学 | 基于交联与线形聚合物的多孔性锂离子电池隔膜及其制备方法与应用 |
CN109786621A (zh) * | 2018-12-17 | 2019-05-21 | 中科院广州化学有限公司 | 一种用于高性能锂电池的倍半硅氧烷改性的纤维隔膜及其制备方法 |
CN110172115A (zh) * | 2019-04-19 | 2019-08-27 | 华中科技大学 | 一种聚合物电解质的制备方法及其应用 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114695835A (zh) * | 2020-12-31 | 2022-07-01 | 北京卫蓝新能源科技有限公司 | 一种高安全结构电极极片和锂电池 |
CN114695835B (zh) * | 2020-12-31 | 2024-01-23 | 北京卫蓝新能源科技有限公司 | 一种高安全结构电极极片和锂电池 |
CN114203962A (zh) * | 2021-12-13 | 2022-03-18 | 珠海冠宇动力电池有限公司 | 极片、电芯及电池 |
WO2023164917A1 (zh) * | 2022-03-04 | 2023-09-07 | 宁德时代新能源科技股份有限公司 | 负极组合物、负极浆料、负极极片、二次电池及含有该二次电池的用电装置 |
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Effective date of registration: 20240228 Address after: 710061 3rd Floor, No. 88 Aerospace East Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province Patentee after: Shaanxi Qingke Energy Technology Co.,Ltd. Country or region after: China Address before: 710077 Shaanxi Coal Industry Chemical Group Co., Ltd. No. 2 Jinye Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. Country or region before: China |