CN110098385B - 一种硅-硬碳复合材料及其制备方法 - Google Patents
一种硅-硬碳复合材料及其制备方法 Download PDFInfo
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- CN110098385B CN110098385B CN201910039812.XA CN201910039812A CN110098385B CN 110098385 B CN110098385 B CN 110098385B CN 201910039812 A CN201910039812 A CN 201910039812A CN 110098385 B CN110098385 B CN 110098385B
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 23
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 32
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 24
- 239000002243 precursor Substances 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
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- 229910052744 lithium Inorganic materials 0.000 claims description 5
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 claims description 4
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 claims description 3
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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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
- 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
- H01M4/362—Composites
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
扣电电池 | A1 | A2 | A3 | B1 |
负极材料 | 实施例1 | 实施例2 | 实施例3 | 对比例 |
首次放电容量(mAh/g) | 752.4 | 746.1 | 738.7 | 401.9 |
首次效率(%) | 91.1 | 90.8 | 90.3 | 88.7 |
100次循环容量保持率(%) | 92.3 | 91.9 | 90.8 | 81.1 |
比表面积(m<sup>2</sup>/g) | 12.4 | 11.6 | 11.9 | 4.1 |
实例 | 温度(℃) | 是否着火 |
实施例1 | 110 | 否 |
实施例2 | 112 | 否 |
实施例3 | 115 | 否 |
对比例 | 300 | 是 |
实例 | 是否漏液 | 是否着火 |
实施例1 | 否 | 否 |
实施例2 | 否 | 否 |
实施例3 | 否 | 否 |
对比例 | 是 | 是 |
Claims (9)
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CN110098385B true CN110098385B (zh) | 2022-07-12 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111211311B (zh) * | 2020-01-19 | 2022-04-08 | 江苏乐能电池股份有限公司 | 一种多孔纳米磷酸铁锂复合材料的制备方法 |
CN114079045B (zh) * | 2020-08-14 | 2024-03-15 | 上海昱瓴新能源科技有限公司 | 以多孔聚合物微球为模板原位合成的多孔硅/碳复合材料及制备方法和锂离子电池 |
CN113036306A (zh) * | 2021-02-20 | 2021-06-25 | 山东天瀚新能源科技有限公司 | 一种掺硅补锂技术方案及其锂离子电池的组装方法 |
CN114497509A (zh) * | 2022-02-08 | 2022-05-13 | 格龙新材料科技(常州)有限公司 | 一种硅碳复合负极材料的制备方法 |
CN114864890A (zh) * | 2022-04-19 | 2022-08-05 | 赣州市瑞富特科技有限公司 | 一种表面多孔微小中空球体硅碳负极材料及其制备方法 |
CN115043432A (zh) * | 2022-07-29 | 2022-09-13 | 东华理工大学 | 一种三维有序大孔钙钛矿钽酸锂光催化产氢材料的通用合成方法 |
CN117712341B (zh) * | 2023-12-28 | 2024-06-11 | 浙江卡波恩新材料有限公司 | 硅硬碳负极材料的制备工艺 |
Family Cites Families (6)
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US7651817B2 (en) * | 2004-03-30 | 2010-01-26 | Kureha Corporation | Process for producing spherical carbon material |
CN102208635A (zh) * | 2011-05-06 | 2011-10-05 | 奇瑞汽车股份有限公司 | 一种锂离子电池负极材料及其制作方法、锂离子电池 |
CN103474658B (zh) * | 2013-08-20 | 2015-10-07 | 东南大学 | 一种铌酸锂复合碳纳米管柔性锂离子二次电池负极及其制备方法与应用 |
CN105633373B (zh) * | 2015-11-06 | 2018-06-22 | 北京化工大学 | 一种碳包覆多孔一氧化锰复合材料及其制备方法和应用 |
CN107799728A (zh) * | 2016-08-29 | 2018-03-13 | 南京安普瑞斯有限公司 | 一种用于锂离子电池的空心硅碳复合材料及其制备方法 |
CN106384840B (zh) * | 2016-12-01 | 2019-02-15 | 张家港金盛莲能源科技有限公司 | 一种低温锂离子二次电池 |
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