CN113725415B - Power type graphite-silicon oxide composite material and preparation method and application thereof - Google Patents
Power type graphite-silicon oxide composite material and preparation method and application thereof Download PDFInfo
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- CN113725415B CN113725415B CN202111012053.1A CN202111012053A CN113725415B CN 113725415 B CN113725415 B CN 113725415B CN 202111012053 A CN202111012053 A CN 202111012053A CN 113725415 B CN113725415 B CN 113725415B
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- composite material
- graphite
- powder
- silica
- silicon oxide
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- 239000002131 composite material Substances 0.000 title claims abstract description 67
- 229910052814 silicon oxide Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 42
- 239000002245 particle Substances 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004094 surface-active agent Substances 0.000 claims abstract description 23
- 239000010426 asphalt Substances 0.000 claims abstract description 22
- 239000007864 aqueous solution Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000003763 carbonization Methods 0.000 claims abstract description 19
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 16
- 239000011268 mixed slurry Substances 0.000 claims abstract description 13
- 238000009656 pre-carbonization Methods 0.000 claims abstract description 12
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005469 granulation Methods 0.000 claims abstract description 6
- 230000003179 granulation Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 55
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012298 atmosphere Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000006257 cathode slurry Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 12
- 229910021385 hard carbon Inorganic materials 0.000 description 12
- 238000012360 testing method Methods 0.000 description 8
- 239000003575 carbonaceous material Substances 0.000 description 6
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 6
- 229920000053 polysorbate 80 Polymers 0.000 description 6
- 238000010000 carbonizing Methods 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000007770 graphite material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 241000219991 Lythraceae Species 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 235000014360 Punica granatum Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111012053.1A CN113725415B (en) | 2021-08-31 | 2021-08-31 | Power type graphite-silicon oxide composite material and preparation method and application thereof |
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CN202111012053.1A CN113725415B (en) | 2021-08-31 | 2021-08-31 | Power type graphite-silicon oxide composite material and preparation method and application thereof |
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Publication Number | Publication Date |
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CN113725415A CN113725415A (en) | 2021-11-30 |
CN113725415B true CN113725415B (en) | 2023-03-24 |
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CN202111012053.1A Active CN113725415B (en) | 2021-08-31 | 2021-08-31 | Power type graphite-silicon oxide composite material and preparation method and application thereof |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102646819A (en) * | 2012-05-03 | 2012-08-22 | 天津大学 | Preparation method of carbon-coated natural crystalline flake graphite composite for lithium ion batteries |
CN105836728B (en) * | 2016-03-22 | 2019-07-19 | 福建翔丰华新能源材料有限公司 | A kind of preparation method of lithium ion battery pitch hard charcoal negative electrode material |
CN110391406A (en) * | 2019-07-01 | 2019-10-29 | 深圳市比克动力电池有限公司 | A kind of lithium ion battery silicon oxygen negative electrode material and preparation method thereof, lithium ion battery |
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2021
- 2021-08-31 CN CN202111012053.1A patent/CN113725415B/en active Active
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CN113725415A (en) | 2021-11-30 |
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Address after: 213000 Room 301, workshop 1, new generation information technology industrial park, No.17, beitanghe East Road, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Qidai Technology Co.,Ltd. Country or region after: China Address before: 213000 Room 301, workshop 1, new generation information technology industrial park, No.17, beitanghe East Road, Tianning District, Changzhou City, Jiangsu Province Patentee before: Changzhou Gaotai Information Technology Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240301 Address after: 213000 No.5, beitanghe East Road, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Xitai Energy Technology Co.,Ltd. Country or region after: China Address before: 213000 Room 301, workshop 1, new generation information technology industrial park, No.17, beitanghe East Road, Tianning District, Changzhou City, Jiangsu Province Patentee before: Changzhou Qidai Technology Co.,Ltd. Country or region before: China |
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