CN110078133B - 一种铝掺杂类球形四氧化三钴及其制备方法与应用 - Google Patents
一种铝掺杂类球形四氧化三钴及其制备方法与应用 Download PDFInfo
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- CN110078133B CN110078133B CN201910356472.3A CN201910356472A CN110078133B CN 110078133 B CN110078133 B CN 110078133B CN 201910356472 A CN201910356472 A CN 201910356472A CN 110078133 B CN110078133 B CN 110078133B
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- aluminum
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- cobaltosic oxide
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- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(2+);cobalt(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 239000000243 solution Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 28
- 150000001868 cobalt Chemical class 0.000 claims abstract description 20
- 239000012716 precipitator Substances 0.000 claims abstract description 20
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 18
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 14
- 239000002243 precursor Substances 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- 239000012266 salt solution Substances 0.000 claims abstract description 9
- 238000000975 co-precipitation Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 14
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 14
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 4
- 125000005587 carbonate group Chemical group 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 41
- 239000000463 material Substances 0.000 abstract description 32
- 238000009826 distribution Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 18
- 229910052744 lithium Inorganic materials 0.000 description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 16
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical group [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 15
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 15
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 15
- 239000001099 ammonium carbonate Substances 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 8
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000004626 scanning electron microscopy Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- BLJNPOIVYYWHMA-UHFFFAOYSA-N alumane;cobalt Chemical compound [AlH3].[Co] BLJNPOIVYYWHMA-UHFFFAOYSA-N 0.000 description 2
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 2
- 159000000013 aluminium salts Chemical class 0.000 description 2
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 2
- 239000001164 aluminium sulphate Substances 0.000 description 2
- 235000011128 aluminium sulphate Nutrition 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 2
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical group O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical group [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides; Hydroxides
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- 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)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
序号 | 测试指标 | 测试结果 |
1 | Co(%) | 72.68 |
2 | Al(%) | 0.4512 |
3 | 粒度D50(μm) | 16.03 |
4 | 比表面积(m<sup>2</sup>/g) | 4.11 |
5 | 振实密度(g/cm<sup>3</sup>) | 2.45 |
序号 | 测试指标 | 测试结果 |
1 | Co(%) | 71.97 |
2 | Al(%) | 0.6937 |
3 | 粒度D50(μm) | 15.71 |
4 | 比表面积(m<sup>2</sup>/g) | 3.88 |
5 | 振实密度(g/cm<sup>3</sup>) | 2.12 |
序号 | 测试指标 | 测试结果 |
1 | Co(%) | 72.54 |
2 | Al(%) | 0.4496 |
3 | 粒度D50(μm) | 16.28 |
4 | 比表面积(m<sup>2</sup>/g) | 5.48 |
5 | 振实密度(g/cm<sup>3</sup>) | 2.35 |
Claims (5)
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CN111994964B (zh) * | 2020-07-28 | 2023-06-02 | 格林美股份有限公司 | 铝浓度梯度掺杂和钛包覆的四氧化三钴材料及其制备方法 |
CN112320854A (zh) * | 2020-10-26 | 2021-02-05 | 合肥融捷金属科技有限公司 | 一种提高四氧化三钴生产率的方法 |
CN112499692A (zh) * | 2020-12-02 | 2021-03-16 | 金川集团股份有限公司 | 一种掺铝四氧化三钴的制备方法 |
CN113488642A (zh) * | 2021-05-26 | 2021-10-08 | 上海兰钧新能源科技有限公司 | 锂离子四元正极材料及其制备方法和锂离子电池 |
CN113697865B (zh) * | 2021-08-27 | 2023-07-28 | 湖南中伟新能源科技有限公司 | 一种四氧化三钴及其制备方法和锂离子电池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101279771A (zh) * | 2008-05-29 | 2008-10-08 | 金川集团有限公司 | 一种掺杂四氧化三钴的制备方法 |
CN106315694A (zh) * | 2016-07-28 | 2017-01-11 | 天津巴莫科技股份有限公司 | 掺杂型镍钴酸锂前驱体的制备方法 |
CN108217753A (zh) * | 2016-12-14 | 2018-06-29 | 天津国安盟固利新材料科技股份有限公司 | 一种梯度掺杂四氧化三钴材料及其制备方法 |
CN108373175A (zh) * | 2018-01-23 | 2018-08-07 | 湖南雅城新材料有限公司 | 铝掺杂四氧化三钴及其制备方法和应用 |
CN108557904A (zh) * | 2018-05-21 | 2018-09-21 | 兰州金川新材料科技股份有限公司 | 一种梯度掺铝四氧化三钴的制备方法 |
CN108807881A (zh) * | 2018-05-21 | 2018-11-13 | 兰州金川新材料科技股份有限公司 | 一种体相掺铝四氧化三钴的制备方法 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101279771A (zh) * | 2008-05-29 | 2008-10-08 | 金川集团有限公司 | 一种掺杂四氧化三钴的制备方法 |
CN106315694A (zh) * | 2016-07-28 | 2017-01-11 | 天津巴莫科技股份有限公司 | 掺杂型镍钴酸锂前驱体的制备方法 |
CN108217753A (zh) * | 2016-12-14 | 2018-06-29 | 天津国安盟固利新材料科技股份有限公司 | 一种梯度掺杂四氧化三钴材料及其制备方法 |
CN108373175A (zh) * | 2018-01-23 | 2018-08-07 | 湖南雅城新材料有限公司 | 铝掺杂四氧化三钴及其制备方法和应用 |
CN108557904A (zh) * | 2018-05-21 | 2018-09-21 | 兰州金川新材料科技股份有限公司 | 一种梯度掺铝四氧化三钴的制备方法 |
CN108807881A (zh) * | 2018-05-21 | 2018-11-13 | 兰州金川新材料科技股份有限公司 | 一种体相掺铝四氧化三钴的制备方法 |
Non-Patent Citations (1)
Title |
---|
提高掺铝四氧化三钴均匀性研究;刘人生等;《世界有色金属》;20180430;240-241、243页 * |
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Granted publication date: 20211012 Pledgee: Furong Branch of Changsha Rural Commercial Bank Co.,Ltd. Pledgor: HUNAN YACHENG NEW MATERIAL CO.,LTD. Registration number: Y2022980004964 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Aluminum doped spherical cobalt tetroxide and its preparation method and application Granted publication date: 20211012 Pledgee: Furong Branch of Changsha Rural Commercial Bank Co.,Ltd. Pledgor: Hunan Yacheng New Energy Co.,Ltd. Registration number: Y2024980021661 |