CN114373918B - 一种硅碳负极材料及其制备方法 - Google Patents
一种硅碳负极材料及其制备方法 Download PDFInfo
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- CN114373918B CN114373918B CN202210033592.1A CN202210033592A CN114373918B CN 114373918 B CN114373918 B CN 114373918B CN 202210033592 A CN202210033592 A CN 202210033592A CN 114373918 B CN114373918 B CN 114373918B
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- silicon
- intermediate product
- anode material
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- carbon anode
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- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 15
- 239000013067 intermediate product Substances 0.000 claims abstract description 67
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 56
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000010405 anode material Substances 0.000 claims abstract description 47
- 238000001035 drying Methods 0.000 claims abstract description 43
- BCFSVSISUGYRMF-UHFFFAOYSA-N calcium;dioxido(dioxo)chromium;dihydrate Chemical compound O.O.[Ca+2].[O-][Cr]([O-])(=O)=O BCFSVSISUGYRMF-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 34
- 229960003638 dopamine Drugs 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 16
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical group [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 12
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 12
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 12
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 11
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 11
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 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 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 12
- 229910052710 silicon Inorganic materials 0.000 abstract description 10
- 239000010703 silicon Substances 0.000 abstract description 10
- 210000002969 egg yolk Anatomy 0.000 abstract description 9
- 238000002161 passivation Methods 0.000 abstract description 5
- 239000012065 filter cake Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 24
- 238000003756 stirring Methods 0.000 description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000011856 silicon-based particle Substances 0.000 description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000002153 silicon-carbon composite material Substances 0.000 description 3
- 102000002322 Egg Proteins Human genes 0.000 description 2
- 108010000912 Egg Proteins Proteins 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013345 egg yolk Nutrition 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- 229920001690 polydopamine Polymers 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000006138 lithiation reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
- H01M4/38—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
- H01M4/36—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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (9)
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CN202210033592.1A CN114373918B (zh) | 2022-01-12 | 2022-01-12 | 一种硅碳负极材料及其制备方法 |
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CN202210033592.1A CN114373918B (zh) | 2022-01-12 | 2022-01-12 | 一种硅碳负极材料及其制备方法 |
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CN114373918A CN114373918A (zh) | 2022-04-19 |
CN114373918B true CN114373918B (zh) | 2024-06-04 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101402036A (zh) * | 2008-11-21 | 2009-04-08 | 东北大学 | 具有可见光催化活性的改性含钛高炉渣催化剂及制备方法 |
CN102760874A (zh) * | 2011-04-28 | 2012-10-31 | 比亚迪股份有限公司 | 一种镍电池正极活性材料及其制备方法和一种镍氢电池 |
CN105504275A (zh) * | 2015-12-25 | 2016-04-20 | 重庆乐乎科技有限公司 | 一种聚苯胺铬酸锶复合材料的制备方法 |
CN108417790A (zh) * | 2018-01-30 | 2018-08-17 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池正极材料及其制备方法和应用 |
CN109256535A (zh) * | 2018-07-27 | 2019-01-22 | 长沙理工大学 | 一种蛋黄壳结构的硅@碳复合材料及其制备和应用 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9539611B2 (en) * | 2010-09-13 | 2017-01-10 | Chemetall Gmbh | Method for coating surfaces and use of the articles coated using said method |
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2022
- 2022-01-12 CN CN202210033592.1A patent/CN114373918B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101402036A (zh) * | 2008-11-21 | 2009-04-08 | 东北大学 | 具有可见光催化活性的改性含钛高炉渣催化剂及制备方法 |
CN102760874A (zh) * | 2011-04-28 | 2012-10-31 | 比亚迪股份有限公司 | 一种镍电池正极活性材料及其制备方法和一种镍氢电池 |
CN105504275A (zh) * | 2015-12-25 | 2016-04-20 | 重庆乐乎科技有限公司 | 一种聚苯胺铬酸锶复合材料的制备方法 |
CN108417790A (zh) * | 2018-01-30 | 2018-08-17 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池正极材料及其制备方法和应用 |
CN109256535A (zh) * | 2018-07-27 | 2019-01-22 | 长沙理工大学 | 一种蛋黄壳结构的硅@碳复合材料及其制备和应用 |
Non-Patent Citations (3)
Title |
---|
A Green and Facile Way to Prepare Granadilla-Like Silicon-Based Anode Materials for Li-Ion Batteries;Lei Zhang等,;《ADVANCED FUNCTIONAL MATERIALS》;第26卷;第440-446页 * |
波津等.《无机盐工艺学》.北京:中国工业出版社,1965,第328页. * |
潘长华等.《实用小化工生产大全 第1卷 无机化工产品•复混肥料•农药•兽药》.北京:化学工业出版社,1996,第128页. * |
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