CN109473664B - Preparation method of silicon-carbon composite material - Google Patents
Preparation method of silicon-carbon composite material Download PDFInfo
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- CN109473664B CN109473664B CN201811402842.4A CN201811402842A CN109473664B CN 109473664 B CN109473664 B CN 109473664B CN 201811402842 A CN201811402842 A CN 201811402842A CN 109473664 B CN109473664 B CN 109473664B
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- silicon
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- composite material
- carbon composite
- graphene oxide
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- 239000002153 silicon-carbon composite material Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 139
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 117
- 239000002245 particle Substances 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 57
- 239000010439 graphite Substances 0.000 claims abstract description 57
- 239000010426 asphalt Substances 0.000 claims abstract description 56
- 239000006185 dispersion Substances 0.000 claims abstract description 56
- 238000010008 shearing Methods 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 239000002243 precursor Substances 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 34
- 238000005469 granulation Methods 0.000 claims abstract description 30
- 230000003179 granulation Effects 0.000 claims abstract description 30
- 239000002270 dispersing agent Substances 0.000 claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000011812 mixed powder Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 28
- 241000252506 Characiformes Species 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000009777 vacuum freeze-drying Methods 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 8
- 230000008439 repair process Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical group CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- HXLAEGYMDGUSBD-UHFFFAOYSA-N 3-[diethoxy(methyl)silyl]propan-1-amine Chemical compound CCO[Si](C)(OCC)CCCN HXLAEGYMDGUSBD-UHFFFAOYSA-N 0.000 claims description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 2
- OTARVPUIYXHRRB-UHFFFAOYSA-N diethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(OCC)CCCOCC1CO1 OTARVPUIYXHRRB-UHFFFAOYSA-N 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical group [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001694 spray drying Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000011868 silicon-carbon composite negative electrode material Substances 0.000 description 4
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical class [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 then Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 238000009478 high shear granulation Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000003446 memory effect 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
- 125000000962 organic group Chemical group 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229940113115 polyethylene glycol 200 Drugs 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009818 secondary granulation Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M4/62—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
- H01M4/36—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
-
- 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)
- Battery Electrode And Active Subsutance (AREA)
- Silicon Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims (19)
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CN201811402842.4A CN109473664B (en) | 2018-11-22 | 2018-11-22 | Preparation method of silicon-carbon composite material |
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CN201811402842.4A CN109473664B (en) | 2018-11-22 | 2018-11-22 | Preparation method of silicon-carbon composite material |
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CN109473664A CN109473664A (en) | 2019-03-15 |
CN109473664B true CN109473664B (en) | 2020-09-08 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113659125B (en) * | 2021-07-02 | 2022-07-12 | 广东墨睿科技有限公司 | Silicon-carbon composite material and preparation method thereof |
CN113697813A (en) * | 2021-09-07 | 2021-11-26 | 广东凯金新能源科技股份有限公司 | Silicon-carbon composite material and preparation method thereof |
CN115440969A (en) * | 2022-10-26 | 2022-12-06 | 中国科学院过程工程研究所 | Preparation method of double-layer carbon modified silicon negative electrode material |
CN117276523B (en) * | 2023-06-20 | 2024-08-06 | 湖北斯诺新材料科技有限公司 | Preparation method and application of silicon-carbon composite material |
CN118738346A (en) * | 2024-07-23 | 2024-10-01 | 深圳市德罗伏特科技有限公司 | Preparation process of composite material of graphite and hard carbon coated nano-silicon |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8580432B2 (en) * | 2008-12-04 | 2013-11-12 | Nanotek Instruments, Inc. | Nano graphene reinforced nanocomposite particles for lithium battery electrodes |
KR101368474B1 (en) * | 2012-03-23 | 2014-03-03 | 강원대학교산학협력단 | Negative active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same |
CN103618074B (en) * | 2013-12-18 | 2015-11-04 | 南京毕汉特威高分子材料有限公司 | Silicon-carbon composite cathode material of lithium ion battery and preparation method thereof |
CN104362300B (en) * | 2014-12-02 | 2018-12-18 | 南京工业大学 | Preparation method and application of silicon-carbon composite negative electrode material of lithium ion battery |
CN105206801B (en) * | 2015-08-21 | 2018-05-18 | 中南大学 | A kind of preparation method of silicon-carbon composite anode material for lithium ion battery |
CN106887569A (en) * | 2017-02-22 | 2017-06-23 | 上海杉杉科技有限公司 | A kind of new structure graphene coated nano silicon particles and preparation method thereof |
CN107346822A (en) * | 2017-04-25 | 2017-11-14 | 山东玉皇新能源科技有限公司 | A kind of method that solvent-thermal method prepares graphene silicon composite cathode material |
CN107342411B (en) * | 2017-07-05 | 2020-01-14 | 安徽科达新材料有限公司 | Preparation method of graphene-silicon-carbon lithium ion battery negative electrode material |
CN108390051B (en) * | 2018-05-07 | 2022-02-11 | 西南石油大学 | A kind of graphene@silicon composite material and preparation method thereof |
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2018
- 2018-11-22 CN CN201811402842.4A patent/CN109473664B/en active Active
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Publication number | Publication date |
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CN109473664A (en) | 2019-03-15 |
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Effective date of registration: 20190709 Address after: 101102 Beijing Tongzhou District Huanyu Road No.3 Building No.14, 3 Floors Applicant after: Sander New Energy Technology Development Co.,Ltd. Applicant after: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: Unit 402, Fuqing Huayuan Commercial and Residential Building, Bayi Town, Linzhi City, Tibet Autonomous Region Applicant before: Sound Group Co.,Ltd. Applicant before: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201030 Address after: 411201 Xiangtan 316, Hunan, China, two, 316, Benz West Road. Patentee after: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 101102 Beijing Tongzhou District Huanyu Road No.3 Building No.14, 3 Floors Patentee before: Sander New Energy Technology Development Co.,Ltd. Patentee before: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. |
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