CN106784640A - 锂离子电池用硅基复合负极材料、其制备方法及包含该材料的锂离子电池负极 - Google Patents
锂离子电池用硅基复合负极材料、其制备方法及包含该材料的锂离子电池负极 Download PDFInfo
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- CN106784640A CN106784640A CN201510828445.3A CN201510828445A CN106784640A CN 106784640 A CN106784640 A CN 106784640A CN 201510828445 A CN201510828445 A CN 201510828445A CN 106784640 A CN106784640 A CN 106784640A
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- Prior art keywords
- silicon
- nano
- graphite
- carbon
- lithium ion
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 239000010703 silicon Substances 0.000 title claims abstract description 95
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 95
- 239000002131 composite material Substances 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 title claims abstract description 38
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 title claims 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 71
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 50
- 239000010439 graphite Substances 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 43
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 36
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 229910003481 amorphous carbon Inorganic materials 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 239000011149 active material Substances 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 238000001694 spray drying Methods 0.000 claims abstract description 5
- 239000011258 core-shell material Substances 0.000 claims abstract description 4
- 239000006185 dispersion Substances 0.000 claims description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- 239000011268 mixed slurry Substances 0.000 claims description 26
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 24
- 238000000498 ball milling Methods 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229920001568 phenolic resin Polymers 0.000 claims description 11
- 239000005011 phenolic resin Substances 0.000 claims description 11
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000008103 glucose Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- -1 polysiloxane Polymers 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000012298 atmosphere Substances 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003837 high-temperature calcination Methods 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000003945 anionic surfactant Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 229910021385 hard carbon Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000005375 organosiloxane group Chemical group 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 229910021384 soft carbon Inorganic materials 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- ADKPKEZZYOUGBZ-UHFFFAOYSA-N [C].[O].[Si] Chemical compound [C].[O].[Si] ADKPKEZZYOUGBZ-UHFFFAOYSA-N 0.000 claims 2
- 235000013312 flour Nutrition 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 240000000111 Saccharum officinarum Species 0.000 claims 1
- 235000007201 Saccharum officinarum Nutrition 0.000 claims 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000004132 cross linking Methods 0.000 claims 1
- 239000008246 gaseous mixture Substances 0.000 claims 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 238000003701 mechanical milling Methods 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 239000007773 negative electrode material Substances 0.000 abstract description 47
- 239000002243 precursor Substances 0.000 abstract description 31
- 239000000843 powder Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000011863 silicon-based powder Substances 0.000 description 24
- 239000010405 anode material Substances 0.000 description 23
- 239000012300 argon atmosphere Substances 0.000 description 21
- 239000013067 intermediate product Substances 0.000 description 20
- 239000000047 product Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 11
- 239000010426 asphalt Substances 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 6
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 description 4
- 238000001132 ultrasonic dispersion Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000011246 composite particle Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011856 silicon-based particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229920005552 sodium lignosulfonate Polymers 0.000 description 1
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000008096 xylene 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/621—Binders
-
- 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
-
- 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
Landscapes
- 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)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (20)
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CN201510828445.3A CN106784640B (zh) | 2015-11-25 | 2015-11-25 | 锂离子电池用硅基复合负极材料、其制备方法及包含该材料的锂离子电池负极 |
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CN201510828445.3A CN106784640B (zh) | 2015-11-25 | 2015-11-25 | 锂离子电池用硅基复合负极材料、其制备方法及包含该材料的锂离子电池负极 |
Publications (2)
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CN106784640A true CN106784640A (zh) | 2017-05-31 |
CN106784640B CN106784640B (zh) | 2020-05-26 |
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Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107634212A (zh) * | 2017-10-17 | 2018-01-26 | 深圳市贝特瑞新能源材料股份有限公司 | 多元合金复合负极材料、制备方法及包含该复合负极材料锂离子电池 |
CN108428879A (zh) * | 2018-03-30 | 2018-08-21 | 河北民族师范学院 | 一种新型碳硅基复合材料的制备方法及应用 |
CN108565408A (zh) * | 2018-01-10 | 2018-09-21 | 电子科技大学 | 一种锂离子电池负极材料及其制备方法 |
CN108666556A (zh) * | 2018-05-27 | 2018-10-16 | 江苏丽港稀土材料有限公司 | 一种利用碳纳米球制备锂离子负极材料的工艺 |
CN109428071A (zh) * | 2017-09-05 | 2019-03-05 | 比亚迪股份有限公司 | 复合负极活性材料及其制备方法和锂电池 |
CN109755581A (zh) * | 2018-12-29 | 2019-05-14 | 湖南中科星城石墨有限公司 | 一种弹性碳材料包覆结构及其包覆工艺 |
WO2019105356A1 (zh) * | 2017-11-30 | 2019-06-06 | 山东大学 | 一种复合材料及其制备方法 |
CN109962220A (zh) * | 2019-01-08 | 2019-07-02 | 上海大学 | 低界面阻抗硅/石墨复合负极材料及其制备方法 |
CN110336001A (zh) * | 2019-06-26 | 2019-10-15 | 纳诺思能源有限公司 | 具有核壳双层亚结构的碳硅复合材料及其制备方法 |
CN110767881A (zh) * | 2018-07-26 | 2020-02-07 | 纳诺思能源有限公司 | 高硅含量碳硅夹心材料及其制备方法和在锂离子电池中的应用 |
CN111224078A (zh) * | 2018-11-27 | 2020-06-02 | 广州汽车集团股份有限公司 | 一种硅基复合负极材料及其制备方法、锂离子电池负极 |
CN108598412B (zh) * | 2018-04-23 | 2020-06-16 | 中南大学 | 基于金属有机物的硅合金复合负极材料及其制备方法 |
US20200194787A1 (en) * | 2018-11-16 | 2020-06-18 | National Chung-Shan Institute Of Science And Technology | Anode material of nano-silicon having multilayer-graphene as carrier and coated with silicon suboxide and with amorphous carbon layer and method for fabricating the same |
CN111326723A (zh) * | 2020-02-26 | 2020-06-23 | 宁夏博尔特科技有限公司 | 锂离子电池用硅碳复合负极材料及其制备方法 |
CN111697206A (zh) * | 2019-03-14 | 2020-09-22 | 吉林聚能新型炭材料股份有限公司 | 一种硅碳负极材料的制备方法 |
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