CN110299526B - 一种石墨烯包覆锂离子电池正极材料的制备方法 - Google Patents
一种石墨烯包覆锂离子电池正极材料的制备方法 Download PDFInfo
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- CN110299526B CN110299526B CN201910589950.5A CN201910589950A CN110299526B CN 110299526 B CN110299526 B CN 110299526B CN 201910589950 A CN201910589950 A CN 201910589950A CN 110299526 B CN110299526 B CN 110299526B
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- Prior art keywords
- lithium
- graphene
- ion battery
- compounding
- lithium ion
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 73
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000007774 positive electrode material Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 claims abstract description 56
- 238000013329 compounding Methods 0.000 claims abstract description 51
- 239000010405 anode material Substances 0.000 claims abstract description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 79
- 229910052744 lithium Inorganic materials 0.000 claims description 79
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 38
- 150000004692 metal hydroxides Chemical class 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 35
- 238000001354 calcination Methods 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 28
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 18
- 229910021645 metal ion Inorganic materials 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 claims description 2
- 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 2
- 239000002243 precursor Substances 0.000 description 23
- 239000010406 cathode material Substances 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- SEVNKUSLDMZOTL-UHFFFAOYSA-H cobalt(2+);manganese(2+);nickel(2+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mn+2].[Co+2].[Ni+2] SEVNKUSLDMZOTL-UHFFFAOYSA-H 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000002699 waste material 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
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
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CN201910589950.5A CN110299526B (zh) | 2019-07-02 | 2019-07-02 | 一种石墨烯包覆锂离子电池正极材料的制备方法 |
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CN201910589950.5A CN110299526B (zh) | 2019-07-02 | 2019-07-02 | 一种石墨烯包覆锂离子电池正极材料的制备方法 |
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CN110299526A CN110299526A (zh) | 2019-10-01 |
CN110299526B true CN110299526B (zh) | 2020-10-16 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106532035A (zh) * | 2016-12-16 | 2017-03-22 | 无锡晶石新型能源有限公司 | 一种锂离子电池三元正极材料及其制备方法 |
CN108172826A (zh) * | 2017-12-30 | 2018-06-15 | 国联汽车动力电池研究院有限责任公司 | 一种磷酸铁锂纳米颗粒包覆高镍三元材料的方法 |
CN109461927A (zh) * | 2017-12-21 | 2019-03-12 | 北京当升材料科技股份有限公司 | 一种高倍率复合镍钴锰多元正极材料及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106058292A (zh) * | 2016-02-03 | 2016-10-26 | 万向A二三系统有限公司 | 一种制备锂离子扣式电池的方法 |
CN106684377A (zh) * | 2016-12-30 | 2017-05-17 | 珠海汉格能源科技有限公司 | 一种含石墨烯复合粉末的钴酸锂正极浆料及其制备方法 |
CN107403918A (zh) * | 2017-07-26 | 2017-11-28 | 青岛大学 | 一种包覆氮掺杂石墨烯三元材料的制备方法 |
CN108539152A (zh) * | 2018-03-27 | 2018-09-14 | 宁夏汉尧石墨烯储能材料科技有限公司 | 喷雾干燥法制备石墨烯改性高镍系正极材料的方法及由该方法制备的正极材料 |
CN109860513B (zh) * | 2019-02-28 | 2020-07-28 | 中车青岛四方车辆研究所有限公司 | 锂离子电池极片及其制备方法和锂离子电池 |
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2019
- 2019-07-02 CN CN201910589950.5A patent/CN110299526B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106532035A (zh) * | 2016-12-16 | 2017-03-22 | 无锡晶石新型能源有限公司 | 一种锂离子电池三元正极材料及其制备方法 |
CN109461927A (zh) * | 2017-12-21 | 2019-03-12 | 北京当升材料科技股份有限公司 | 一种高倍率复合镍钴锰多元正极材料及其制备方法 |
CN108172826A (zh) * | 2017-12-30 | 2018-06-15 | 国联汽车动力电池研究院有限责任公司 | 一种磷酸铁锂纳米颗粒包覆高镍三元材料的方法 |
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Address after: No. 581, Baohu West Road, Xixia District, Yinchuan, Ningxia 750021 Patentee after: Ningxia Hanyao Lithium Technology Co.,Ltd. Address before: 750004 No.78, innovation park, Yinchuan economic and Technological Development Zone, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA HANYAO GRAPHENE ENERGY STORAGE MATERIAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Preparation method of graphene coated lithium-ion battery cathode material Granted publication date: 20201016 Pledgee: China Construction Bank Corporation Yinchuan Xixia sub branch Pledgor: Ningxia Hanyao Lithium Technology Co.,Ltd.|Ningxia hanghan graphene Technology Research Institute (Co.,Ltd.) Registration number: Y2024640000012 |