CN116314671A - 一种硅碳复合材料的制备方法和硅碳复合材料 - Google Patents
一种硅碳复合材料的制备方法和硅碳复合材料 Download PDFInfo
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- CN116314671A CN116314671A CN202310156300.8A CN202310156300A CN116314671A CN 116314671 A CN116314671 A CN 116314671A CN 202310156300 A CN202310156300 A CN 202310156300A CN 116314671 A CN116314671 A CN 116314671A
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- carbon
- silicon
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- copper
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- 239000002153 silicon-carbon composite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052802 copper Inorganic materials 0.000 claims abstract description 71
- 239000010949 copper Substances 0.000 claims abstract description 71
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000002131 composite material Substances 0.000 claims abstract description 37
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910000077 silane Inorganic materials 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 26
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000010000 carbonizing Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 239000012298 atmosphere Substances 0.000 claims abstract description 7
- 238000003763 carbonization Methods 0.000 claims abstract description 7
- 238000005336 cracking Methods 0.000 claims abstract description 7
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 17
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 13
- 239000002033 PVDF binder Substances 0.000 claims description 9
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 30
- 239000007789 gas Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 150000004699 copper complex Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- -1 stirring and pulping Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003756 stirring 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/626—Metals
-
- 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)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
吸液速度(S) | 保液率 | |
实施例1 | 34 | 91.4% |
实施例2 | 41 | 90.1% |
实施例3 | 48 | 89.9% |
对比例1 | 98 | 85.9% |
对比例2 | 123 | 83.7% |
对比例3 | 104 | 84.9% |
对比例4 | 92 | 86.2% |
初始容量保持率(%) | 循环500次后的容量保持率(%) | 2C恒流比 | |
实施例1 | 100 | 92.3 | 88.5% |
实施例2 | 100 | 92.0 | 88.1% |
实施例3 | 100 | 91.3 | 87.4% |
对比例1 | 100 | 87.7 | 84.9% |
对比例2 | 100 | 86.7 | 82.3% |
对比例3 | 100 | 84.1 | 79.9% |
对比例4 | 100 | 87.3 | 81.2% |
Claims (10)
Priority Applications (1)
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CN202310156300.8A CN116314671A (zh) | 2023-02-22 | 2023-02-22 | 一种硅碳复合材料的制备方法和硅碳复合材料 |
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Application Number | Priority Date | Filing Date | Title |
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CN202310156300.8A CN116314671A (zh) | 2023-02-22 | 2023-02-22 | 一种硅碳复合材料的制备方法和硅碳复合材料 |
Publications (1)
Publication Number | Publication Date |
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CN116314671A true CN116314671A (zh) | 2023-06-23 |
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CN202310156300.8A Pending CN116314671A (zh) | 2023-02-22 | 2023-02-22 | 一种硅碳复合材料的制备方法和硅碳复合材料 |
Country Status (1)
Country | Link |
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CN (1) | CN116314671A (zh) |
-
2023
- 2023-02-22 CN CN202310156300.8A patent/CN116314671A/zh active Pending
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Effective date of registration: 20240410 Address after: 257503 No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province Applicant after: Shenghua New Material Group Co.,Ltd. Country or region after: China Applicant after: Shenghua new material technology (Meishan) Co.,Ltd. Applicant after: Shenghua New Materials Technology (Lianjiang) Co.,Ltd. Address before: 257503 No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province Applicant before: Shenghua New Material Group Co.,Ltd. Country or region before: China Applicant before: Shenghua new material technology (Meishan) Co.,Ltd. Applicant before: Dongying Shenghuaying Innovative Materials Co.,Ltd. |
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