CN106920951B - 一种锂电池负极用纳米硅碳复合材料及其制备方法 - Google Patents
一种锂电池负极用纳米硅碳复合材料及其制备方法 Download PDFInfo
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- CN106920951B CN106920951B CN201710281348.6A CN201710281348A CN106920951B CN 106920951 B CN106920951 B CN 106920951B CN 201710281348 A CN201710281348 A CN 201710281348A CN 106920951 B CN106920951 B CN 106920951B
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- 239000002153 silicon-carbon composite material Substances 0.000 title claims abstract description 35
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims abstract description 34
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 30
- KOVKEDGZABFDPF-UHFFFAOYSA-N n-(triethoxysilylmethyl)aniline Chemical compound CCO[Si](OCC)(OCC)CNC1=CC=CC=C1 KOVKEDGZABFDPF-UHFFFAOYSA-N 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- WDEQGLDWZMIMJM-UHFFFAOYSA-N benzyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate Chemical compound OCC1CC(O)CN1C(=O)OCC1=CC=CC=C1 WDEQGLDWZMIMJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000011780 sodium chloride Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 42
- 238000005303 weighing Methods 0.000 claims description 42
- 238000009210 therapy by ultrasound Methods 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 26
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- 229910017604 nitric acid Inorganic materials 0.000 claims description 21
- 238000010992 reflux Methods 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 238000002390 rotary evaporation Methods 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 239000011863 silicon-based powder Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002687 intercalation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 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
-
- 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
-
- 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
- H01M4/38—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
- H01M4/36—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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710281348.6A CN106920951B (zh) | 2017-04-26 | 2017-04-26 | 一种锂电池负极用纳米硅碳复合材料及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281348.6A CN106920951B (zh) | 2017-04-26 | 2017-04-26 | 一种锂电池负极用纳米硅碳复合材料及其制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106920951A CN106920951A (zh) | 2017-07-04 |
| CN106920951B true CN106920951B (zh) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710281348.6A Active CN106920951B (zh) | 2017-04-26 | 2017-04-26 | 一种锂电池负极用纳米硅碳复合材料及其制备方法 |
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| CN (1) | CN106920951B (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598407A (zh) * | 2018-04-19 | 2018-09-28 | 崔晓迪 | 一种锂电池用复合材料及其制备方法 |
| CN112133893B (zh) * | 2020-09-03 | 2021-11-16 | 深圳石墨烯创新中心有限公司 | 用于锂离子电池的硅碳复合材料及其前驱体的制备方法 |
| CN119786569A (zh) * | 2024-12-31 | 2025-04-08 | 东莞市友方新能源科技有限公司 | 一种基于改性生物质碳材料的锂电池负极材料及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394288B (zh) * | 2011-11-24 | 2013-03-20 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池用的硅碳负极材料及其制备方法 |
| CN102593439B (zh) * | 2012-03-13 | 2014-08-06 | 北京工业大学 | 锂离子电池负极用硅基复合材料及其制备方法 |
| CN104362300B (zh) * | 2014-12-02 | 2018-12-18 | 南京工业大学 | 一种锂离子电池硅碳复合负极材料的制备方法及其应用 |
| CN106207142B (zh) * | 2015-04-30 | 2025-04-25 | 深圳市比克动力电池有限公司 | 一种动力锂离子电池硅碳复合负极材料制备方法 |
-
2017
- 2017-04-26 CN CN201710281348.6A patent/CN106920951B/zh active Active
Non-Patent Citations (1)
| Title |
|---|
| 分散技术;曾贵玉 等;《微纳米含能材料》;20150531;第81页 * |
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| CN106920951A (zh) | 2017-07-04 |
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Address after: 100000 a-1105-044, 10th floor, building 1, No. 18, Zhongguancun East Road, Haidian District, Beijing Patentee after: Zhongneng Guosheng power battery technology (Beijing) Co.,Ltd. Address before: 100000 a-1105-044, 10th floor, building 1, No. 18, Zhongguancun East Road, Haidian District, Beijing Patentee before: ZHONG NENG GUO SHENG BATTERY TECHNOLOGY (BEIJING) CO.,LTD. |
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Effective date of registration: 20220111 Address after: 518100 202-b, Youyi building, 1st lane, Dabao Road, zone 23, Dalang community, Xin'an street, Bao'an District, Shenzhen, Guangdong Province Patentee after: BOGAO Yunli Technology (Shenzhen) Co.,Ltd. Address before: 100000 a-1105-044, 10th floor, building 1, No. 18, Zhongguancun East Road, Haidian District, Beijing Patentee before: Zhongneng Guosheng power battery technology (Beijing) Co.,Ltd. |