CN108199006B - 一种低粗糙度的锂离子电池石墨烯-二氧化硅负极片的制备方法 - Google Patents
一种低粗糙度的锂离子电池石墨烯-二氧化硅负极片的制备方法 Download PDFInfo
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- CN108199006B CN108199006B CN201711463819.1A CN201711463819A CN108199006B CN 108199006 B CN108199006 B CN 108199006B CN 201711463819 A CN201711463819 A CN 201711463819A CN 108199006 B CN108199006 B CN 108199006B
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- graphene
- silicon dioxide
- negative electrode
- graphene oxide
- coating
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 106
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 82
- 239000011248 coating agent Substances 0.000 claims abstract description 68
- 238000000576 coating method Methods 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004964 aerogel Substances 0.000 claims abstract description 55
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000011267 electrode slurry Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000006258 conductive agent Substances 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 149
- 229910021389 graphene Inorganic materials 0.000 claims description 135
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 62
- 238000003756 stirring Methods 0.000 claims description 34
- 238000005406 washing Methods 0.000 claims description 29
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 25
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 17
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 10
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 9
- 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 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 9
- 239000006256 anode slurry Substances 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 9
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 9
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 9
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 9
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 9
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 9
- 239000012298 atmosphere Substances 0.000 claims description 8
- 230000003301 hydrolyzing effect Effects 0.000 claims description 8
- 238000006722 reduction reaction Methods 0.000 claims description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 8
- 230000021523 carboxylation Effects 0.000 claims description 7
- 238000006473 carboxylation reaction Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000006257 cathode slurry Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 2
- 239000007773 negative electrode material Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000011889 copper foil Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005524 ceramic coating Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
组号 | 涂层平均厚度 | 涂层表面感官 |
实施例1 | 24.9μm | 手感较为平滑,粗糙感弱 |
实施例2 | 26.1μm | 手感较为平滑,粗糙感弱 |
对比例1 | 24.3μm | 手感粗糙,有毛细尖刺 |
对比例2 | 24.2μm | 手感粗糙,有毛细尖刺 |
Claims (6)
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CN201711463819.1A CN108199006B (zh) | 2017-12-28 | 2017-12-28 | 一种低粗糙度的锂离子电池石墨烯-二氧化硅负极片的制备方法 |
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CN201711463819.1A CN108199006B (zh) | 2017-12-28 | 2017-12-28 | 一种低粗糙度的锂离子电池石墨烯-二氧化硅负极片的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN108199006A CN108199006A (zh) | 2018-06-22 |
CN108199006B true CN108199006B (zh) | 2020-11-13 |
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CN201711463819.1A Expired - Fee Related CN108199006B (zh) | 2017-12-28 | 2017-12-28 | 一种低粗糙度的锂离子电池石墨烯-二氧化硅负极片的制备方法 |
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CN (1) | CN108199006B (zh) |
Families Citing this family (3)
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CN109143661A (zh) * | 2018-07-24 | 2019-01-04 | 深圳市华星光电半导体显示技术有限公司 | 一种液晶面板及减反层的制备方法 |
CN110534699B (zh) * | 2019-08-22 | 2021-07-13 | 江苏大毛牛新材料有限公司 | 一种锂离子电池负极片的制备方法 |
CN113488376B (zh) * | 2021-07-21 | 2024-04-16 | 山东大学深圳研究院 | 一种二维二氧化硅及其制备方法与应用 |
Family Cites Families (7)
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CN101995589B (zh) * | 2009-08-14 | 2013-03-13 | 比亚迪股份有限公司 | 一种二氧化硅增透膜的制备方法 |
CN102290568A (zh) * | 2011-07-25 | 2011-12-21 | 青岛海霸能源集团有限公司 | 100ah磷酸铁锂方形电池及其制作工艺 |
CN102433032B (zh) * | 2011-09-08 | 2013-10-30 | 南京师范大学 | 可控合成羧基化氧化石墨烯的方法及制得的纳米材料 |
CN102677052A (zh) * | 2012-06-05 | 2012-09-19 | 南昌航空大学 | 石墨烯基自组装多层纳米润滑薄膜的制备方法 |
US9728777B2 (en) * | 2013-07-26 | 2017-08-08 | Nanoteck Instruments, Inc. | Methods for mass-producing silicon nano powder and graphene-doped silicon nano powder |
KR102276423B1 (ko) * | 2014-06-10 | 2021-07-12 | 삼성전자주식회사 | 복합체, 이를 이용한 전기화학적 활물질 복합체, 이를 포함한 전극, 리튬 전지, 전계 방출 소자, 바이오센서, 반도체 소자 및 열전소자 |
CN107032360B (zh) * | 2017-04-19 | 2019-06-21 | 航天特种材料及工艺技术研究所 | 一种石墨烯/二氧化硅复合气凝胶材料及其制备方法 |
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