CN113644251A - 一种中空结构硅碳负极材料及其制备方法 - Google Patents
一种中空结构硅碳负极材料及其制备方法 Download PDFInfo
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- CN113644251A CN113644251A CN202110864182.7A CN202110864182A CN113644251A CN 113644251 A CN113644251 A CN 113644251A CN 202110864182 A CN202110864182 A CN 202110864182A CN 113644251 A CN113644251 A CN 113644251A
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- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000007773 negative electrode material Substances 0.000 title abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 229910021389 graphene Inorganic materials 0.000 claims description 26
- 239000010405 anode material Substances 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 239000011246 composite particle Substances 0.000 claims description 18
- 239000010406 cathode material Substances 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 11
- -1 iron ion Chemical class 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 238000006482 condensation reaction Methods 0.000 claims description 7
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 claims description 6
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 5
- 238000000197 pyrolysis Methods 0.000 claims description 5
- QYKABQMBXCBINA-UHFFFAOYSA-N 4-(oxan-2-yloxy)benzaldehyde Chemical compound C1=CC(C=O)=CC=C1OC1OCCCC1 QYKABQMBXCBINA-UHFFFAOYSA-N 0.000 claims description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 4
- 150000002895 organic esters Chemical class 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- PRJNGSNOPZQKMA-UHFFFAOYSA-N octadecanoic acid;propan-2-ol Chemical compound CC(C)O.CCCCCCCCCCCCCCCCCC(O)=O PRJNGSNOPZQKMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 229960003424 phenylacetic acid Drugs 0.000 claims description 3
- 239000003279 phenylacetic acid Substances 0.000 claims description 3
- 150000004032 porphyrins Chemical class 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- 238000007599 discharging Methods 0.000 abstract description 6
- 239000002210 silicon-based material Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000011267 electrode slurry Substances 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000005087 graphitization Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 2
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
- H01M4/38—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
- 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
- H01M4/62—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
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
项目 | 容量保持率(%) | 厚度膨胀率(%) | 项目 | 容量保持率(%) | 厚度膨胀率(%) |
实施例1 | 86 | 1.1 | 实施例2 | 85 | 1.3 |
实施例3 | 85 | 1.4 | 实施例4 | 84 | 1.4 |
实施例5 | 85 | 1.3 | 实施例6 | 84 | 1.4 |
实施例7 | 83 | 1.4 | 实施例8 | 85 | 1.5 |
实施例9 | 85 | 1.6 | 对比例1 | 63 | 3.6 |
Claims (11)
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115275132A (zh) * | 2022-07-14 | 2022-11-01 | 成都伍零三科技集团有限公司 | 一种钠离子电池正极材料及其制备方法 |
CN116199226A (zh) * | 2022-12-28 | 2023-06-02 | 东莞市和鸿升新材料科技有限公司 | 利用木质素制备核壳中空结构硅碳纳米负极材料的方法 |
CN116525801A (zh) * | 2023-06-08 | 2023-08-01 | 西北工业大学 | 一种卟啉与硅碳复合的锂离子电池负极材料及其制备方法 |
Citations (6)
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US20160365573A1 (en) * | 2015-06-12 | 2016-12-15 | The Board Of Trustees Of The Leland Stanford Junior University | Conformal graphene cage encapsulated battery electrode materials and methods of forming thereof |
CN108023074A (zh) * | 2017-11-29 | 2018-05-11 | 上海汽车集团股份有限公司 | 一种具有纳米层级结构的硅基复合材料及其制备方法和应用 |
CN108023070A (zh) * | 2017-11-22 | 2018-05-11 | 西交利物浦大学 | 一种基于自组装的石墨烯-硅复合电极材料及其制备方法 |
CN109411726A (zh) * | 2018-10-15 | 2019-03-01 | 盐城师范学院 | 一种硅/石墨烯中空核壳结构的制备方法 |
CN109888228A (zh) * | 2019-02-28 | 2019-06-14 | 蜂巢能源科技有限公司 | 锂离子电池的负极材料及其制备方法 |
KR20200121434A (ko) * | 2019-04-15 | 2020-10-26 | 주식회사 엘지화학 | 요크-쉘(Yolk-shell) 구조의 Si 음극재를 제조하는 방법 |
-
2021
- 2021-07-29 CN CN202110864182.7A patent/CN113644251B/zh active Active
Patent Citations (6)
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US20160365573A1 (en) * | 2015-06-12 | 2016-12-15 | The Board Of Trustees Of The Leland Stanford Junior University | Conformal graphene cage encapsulated battery electrode materials and methods of forming thereof |
CN108023070A (zh) * | 2017-11-22 | 2018-05-11 | 西交利物浦大学 | 一种基于自组装的石墨烯-硅复合电极材料及其制备方法 |
CN108023074A (zh) * | 2017-11-29 | 2018-05-11 | 上海汽车集团股份有限公司 | 一种具有纳米层级结构的硅基复合材料及其制备方法和应用 |
CN109411726A (zh) * | 2018-10-15 | 2019-03-01 | 盐城师范学院 | 一种硅/石墨烯中空核壳结构的制备方法 |
CN109888228A (zh) * | 2019-02-28 | 2019-06-14 | 蜂巢能源科技有限公司 | 锂离子电池的负极材料及其制备方法 |
KR20200121434A (ko) * | 2019-04-15 | 2020-10-26 | 주식회사 엘지화학 | 요크-쉘(Yolk-shell) 구조의 Si 음극재를 제조하는 방법 |
Non-Patent Citations (1)
Title |
---|
TAN SHAO,ET AL.: "Yolk-shell Si@void@C composite with Chito-oligosaccharide as a C–N precursor for high capacity anode in lithium-ion batteries", 《JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115275132A (zh) * | 2022-07-14 | 2022-11-01 | 成都伍零三科技集团有限公司 | 一种钠离子电池正极材料及其制备方法 |
CN115275132B (zh) * | 2022-07-14 | 2023-03-24 | 成都伍零三科技集团有限公司 | 一种钠离子电池正极材料及其制备方法 |
CN116199226A (zh) * | 2022-12-28 | 2023-06-02 | 东莞市和鸿升新材料科技有限公司 | 利用木质素制备核壳中空结构硅碳纳米负极材料的方法 |
CN116525801A (zh) * | 2023-06-08 | 2023-08-01 | 西北工业大学 | 一种卟啉与硅碳复合的锂离子电池负极材料及其制备方法 |
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Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |
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