CN113140714A - 一种液相包覆、两段煅烧法生产硅氧负极材料的方法 - Google Patents
一种液相包覆、两段煅烧法生产硅氧负极材料的方法 Download PDFInfo
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- CN113140714A CN113140714A CN202110338166.4A CN202110338166A CN113140714A CN 113140714 A CN113140714 A CN 113140714A CN 202110338166 A CN202110338166 A CN 202110338166A CN 113140714 A CN113140714 A CN 113140714A
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- 238000000576 coating method Methods 0.000 title claims abstract description 52
- 239000011248 coating agent Substances 0.000 title claims abstract description 47
- 238000001354 calcination Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 30
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000007791 liquid phase Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000010406 cathode material Substances 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000000498 ball milling Methods 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000002243 precursor Substances 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 230000001590 oxidative effect Effects 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 27
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 17
- 239000010405 anode material Substances 0.000 claims description 12
- 239000007773 negative electrode material Substances 0.000 claims description 11
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 9
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 9
- 229930006000 Sucrose Natural products 0.000 claims description 9
- 239000008103 glucose Substances 0.000 claims description 9
- 239000005720 sucrose Substances 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 14
- 229960004793 sucrose Drugs 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000011859 microparticle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
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- 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
- 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
- H01M4/483—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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN202110338166.4A CN113140714B (zh) | 2021-03-30 | 2021-03-30 | 一种液相包覆、两段煅烧法生产硅氧负极材料的方法 |
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CN202110338166.4A CN113140714B (zh) | 2021-03-30 | 2021-03-30 | 一种液相包覆、两段煅烧法生产硅氧负极材料的方法 |
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CN113140714A true CN113140714A (zh) | 2021-07-20 |
CN113140714B CN113140714B (zh) | 2022-04-15 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117185301A (zh) * | 2023-09-20 | 2023-12-08 | 博路天成新能源科技有限公司 | 一种氧化亚硅负极材料生产制作工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101752547A (zh) * | 2008-12-18 | 2010-06-23 | 中国电子科技集团公司第十八研究所 | 具有核壳结构的锂离子二次电池负极材料制备方法 |
CN103123967A (zh) * | 2011-11-18 | 2013-05-29 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池SiO/C复合负极材料及其制备方法 |
CN106384825A (zh) * | 2016-11-07 | 2017-02-08 | 中国科学院化学研究所 | 一种硅碳复合微球及其制备方法和应用 |
CN106711461A (zh) * | 2016-12-28 | 2017-05-24 | 中天储能科技有限公司 | 一种球形多孔硅碳复合材料及其制备方法与用途 |
CN110550635A (zh) * | 2019-09-15 | 2019-12-10 | 孔晓蕾 | 一种新型的碳包覆硅氧负极材料的制备方法 |
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2021
- 2021-03-30 CN CN202110338166.4A patent/CN113140714B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101752547A (zh) * | 2008-12-18 | 2010-06-23 | 中国电子科技集团公司第十八研究所 | 具有核壳结构的锂离子二次电池负极材料制备方法 |
CN103123967A (zh) * | 2011-11-18 | 2013-05-29 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池SiO/C复合负极材料及其制备方法 |
CN106384825A (zh) * | 2016-11-07 | 2017-02-08 | 中国科学院化学研究所 | 一种硅碳复合微球及其制备方法和应用 |
CN106711461A (zh) * | 2016-12-28 | 2017-05-24 | 中天储能科技有限公司 | 一种球形多孔硅碳复合材料及其制备方法与用途 |
CN110550635A (zh) * | 2019-09-15 | 2019-12-10 | 孔晓蕾 | 一种新型的碳包覆硅氧负极材料的制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117185301A (zh) * | 2023-09-20 | 2023-12-08 | 博路天成新能源科技有限公司 | 一种氧化亚硅负极材料生产制作工艺 |
CN117185301B (zh) * | 2023-09-20 | 2024-04-09 | 博路天成新能源科技有限公司 | 一种氧化亚硅负极材料生产制作工艺 |
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