CN115602807B - 碳包覆氧化亚硅负极材料的工业制备方法 - Google Patents
碳包覆氧化亚硅负极材料的工业制备方法 Download PDFInfo
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- CN115602807B CN115602807B CN202211096901.6A CN202211096901A CN115602807B CN 115602807 B CN115602807 B CN 115602807B CN 202211096901 A CN202211096901 A CN 202211096901A CN 115602807 B CN115602807 B CN 115602807B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 89
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052814 silicon oxide Inorganic materials 0.000 title claims abstract description 37
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000007773 negative electrode material Substances 0.000 title claims description 21
- 239000000463 material Substances 0.000 claims abstract description 102
- 238000003756 stirring Methods 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 239000010405 anode material Substances 0.000 claims abstract description 22
- 238000001354 calcination Methods 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 230000002441 reversible effect Effects 0.000 claims abstract description 14
- 238000012216 screening Methods 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 27
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000010426 asphalt Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 5
- 238000009776 industrial production Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 35
- 239000007788 liquid Substances 0.000 description 29
- 238000011084 recovery Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 238000009849 vacuum degassing 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
- 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
- H01M4/36—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
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (8)
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CN202211096901.6A CN115602807B (zh) | 2022-09-08 | 2022-09-08 | 碳包覆氧化亚硅负极材料的工业制备方法 |
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CN202211096901.6A CN115602807B (zh) | 2022-09-08 | 2022-09-08 | 碳包覆氧化亚硅负极材料的工业制备方法 |
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CN115602807A CN115602807A (zh) | 2023-01-13 |
CN115602807B true CN115602807B (zh) | 2023-10-31 |
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CN118117082B (zh) * | 2024-04-30 | 2024-09-13 | 浙江锂宸新材料科技有限公司 | 提高氧化亚硅包碳利用率的方法及其产品与应用 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102637847A (zh) * | 2012-04-26 | 2012-08-15 | 宁波世捷新能源科技有限公司 | 一种制备高分散性锂电池正负极浆料的方法 |
CN102891282A (zh) * | 2011-07-21 | 2013-01-23 | 湖北骆驼特种电源有限公司 | 锂离子电池负极配料工艺 |
CN104617331A (zh) * | 2015-01-29 | 2015-05-13 | 深圳市索阳新能源科技有限公司 | 一种新能源混合动力汽车专用磷酸铁锂蓄电池 |
CN109768253A (zh) * | 2019-01-11 | 2019-05-17 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池负极材料的配料工艺 |
CN113571678A (zh) * | 2021-06-24 | 2021-10-29 | 惠州锂威新能源科技有限公司 | 一种负极材料的制备方法及制品和应用 |
-
2022
- 2022-09-08 CN CN202211096901.6A patent/CN115602807B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102891282A (zh) * | 2011-07-21 | 2013-01-23 | 湖北骆驼特种电源有限公司 | 锂离子电池负极配料工艺 |
CN102637847A (zh) * | 2012-04-26 | 2012-08-15 | 宁波世捷新能源科技有限公司 | 一种制备高分散性锂电池正负极浆料的方法 |
CN104617331A (zh) * | 2015-01-29 | 2015-05-13 | 深圳市索阳新能源科技有限公司 | 一种新能源混合动力汽车专用磷酸铁锂蓄电池 |
CN109768253A (zh) * | 2019-01-11 | 2019-05-17 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池负极材料的配料工艺 |
CN113571678A (zh) * | 2021-06-24 | 2021-10-29 | 惠州锂威新能源科技有限公司 | 一种负极材料的制备方法及制品和应用 |
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Effective date of registration: 20240904 Address after: Room 601-4, No. 208 Huazhong Road, Gongshu District, Hangzhou City, Zhejiang Province 310022 Patentee after: CNBM Zhejiang Material Co.,Ltd. Country or region after: China Address before: 310022 No. 208, Huazhong Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: CNBM DESIGN & RESEARCH INSTITUTE CO.,LTD. Country or region before: China Patentee before: ZHEJIANG PROVINCIAL BUILDING MATERIALS SCIENCE INSTITUTE Co.,Ltd. |
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