CN111342020B - 一种硅基负极材料及其制备方法以及一种锂离子电池 - Google Patents
一种硅基负极材料及其制备方法以及一种锂离子电池 Download PDFInfo
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- CN111342020B CN111342020B CN202010166016.5A CN202010166016A CN111342020B CN 111342020 B CN111342020 B CN 111342020B CN 202010166016 A CN202010166016 A CN 202010166016A CN 111342020 B CN111342020 B CN 111342020B
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 102
- 239000010703 silicon Substances 0.000 title claims abstract description 102
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 37
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 16
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 16
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims abstract description 112
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 66
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 53
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 47
- 150000001875 compounds Chemical class 0.000 claims abstract description 46
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000011247 coating layer Substances 0.000 claims abstract description 36
- 238000006138 lithiation reaction Methods 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 239000002356 single layer Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 62
- 239000011159 matrix material Substances 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 32
- 239000002131 composite material Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000013329 compounding Methods 0.000 claims description 26
- 239000000377 silicon dioxide Substances 0.000 claims description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 239000008367 deionised water Substances 0.000 claims description 23
- 229910021641 deionized water Inorganic materials 0.000 claims description 23
- 238000001354 calcination Methods 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 20
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 17
- 238000001694 spray drying Methods 0.000 claims description 17
- 229920001661 Chitosan Polymers 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000010405 anode material Substances 0.000 claims description 9
- 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 8
- 239000008103 glucose Substances 0.000 claims description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 6
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 6
- 239000007888 film coating Substances 0.000 claims description 6
- 238000009501 film coating Methods 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 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 claims description 5
- 229930006000 Sucrose Natural products 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 5
- 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 5
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 5
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000005720 sucrose Substances 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 4
- 229910003002 lithium salt Inorganic materials 0.000 claims description 4
- 159000000002 lithium salts Chemical class 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 24
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract description 24
- 239000002210 silicon-based material Substances 0.000 abstract description 6
- 239000010406 cathode material Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 33
- 238000004537 pulping Methods 0.000 description 17
- 239000002904 solvent Substances 0.000 description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 239000011889 copper foil Substances 0.000 description 15
- 239000003792 electrolyte Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000000498 ball milling Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 14
- 238000001035 drying Methods 0.000 description 12
- 239000007791 liquid phase Substances 0.000 description 12
- 239000007790 solid phase Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 238000011056 performance test Methods 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 239000012982 microporous membrane Substances 0.000 description 10
- -1 polyethylene Polymers 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 229910001290 LiPF6 Inorganic materials 0.000 description 9
- 238000007664 blowing Methods 0.000 description 9
- 238000000227 grinding Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 9
- 239000012071 phase Substances 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 229910002651 NO3 Inorganic materials 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910013872 LiPF Inorganic materials 0.000 description 4
- 101150058243 Lipf gene Proteins 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- NPFOYSMITVOQOS-UHFFFAOYSA-K iron(III) citrate Chemical compound [Fe+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NPFOYSMITVOQOS-UHFFFAOYSA-K 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007580 dry-mixing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229960002413 ferric citrate Drugs 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052914 metal silicate Inorganic materials 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910001556 Li2Si2O5 Inorganic materials 0.000 description 1
- 229910007562 Li2SiO3 Inorganic materials 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- YZSKZXUDGLALTQ-UHFFFAOYSA-N [Li][C] Chemical compound [Li][C] YZSKZXUDGLALTQ-UHFFFAOYSA-N 0.000 description 1
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 1
- 235000019850 ferrous citrate Nutrition 0.000 description 1
- 239000011640 ferrous citrate Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000009818 secondary granulation Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
Images
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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
- 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
- H01M4/48—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
-
- 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
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CN112467114B (zh) * | 2020-11-30 | 2023-02-10 | 湖南中科星城石墨有限公司 | 硅氧复合材料及其制备方法以及锂离子电池 |
CN112886012A (zh) * | 2021-01-15 | 2021-06-01 | 北京科技大学 | 一种高首次库仑效率的硅基锂离子电池负极材料及其制备方法 |
CN113410448A (zh) * | 2021-06-25 | 2021-09-17 | 广东凯金新能源科技股份有限公司 | 一种锂离子电池氧化亚硅复合负极材料及其制备方法 |
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JP5729163B2 (ja) * | 2011-06-24 | 2015-06-03 | トヨタ自動車株式会社 | 負極活物質及び負極活物質の製造方法 |
CN103474631B (zh) * | 2013-10-08 | 2017-01-11 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用氧化亚硅复合负极材料、制备方法及锂离子电池 |
CN103682268B (zh) * | 2013-12-04 | 2016-01-20 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种碳、钛酸锂双层包覆的硅负极材料的制备方法 |
JP6262635B2 (ja) * | 2014-11-10 | 2018-01-17 | 信越化学工業株式会社 | 非水電解質二次電池用負極材及びその製造方法並びに非水電解質二次電池 |
CN105762329B (zh) * | 2014-12-16 | 2019-01-15 | 北京有色金属研究总院 | 一种用于锂离子电池的硅基复合负极材料及制备方法 |
CN106025219A (zh) * | 2016-06-24 | 2016-10-12 | 中天储能科技有限公司 | 一种球形硅氧碳负极复合材料及其制备方法和用途 |
CN108963194A (zh) * | 2017-05-18 | 2018-12-07 | 中国科学院物理研究所 | 一种硅基复合材料及其制备方法和应用 |
CN108110228A (zh) * | 2017-11-23 | 2018-06-01 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池硅基负极材料及其制备方法 |
CN108493438A (zh) * | 2018-04-27 | 2018-09-04 | 天津巴莫科技股份有限公司 | 一种锂离子电池用SiOx基复合负极材料及其制备方法 |
CN108923037B (zh) * | 2018-10-12 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | 一种富硅SiOx-C材料及其制备方法和应用 |
CN109546108A (zh) * | 2018-11-08 | 2019-03-29 | 中航锂电(洛阳)有限公司 | 一种低膨胀硅基复合材料及制备方法、硅基负极材料及锂离子电池 |
CN109686930A (zh) * | 2018-11-30 | 2019-04-26 | 天合光能股份有限公司 | 一种富锂硅基锂离子电池负极材料及其制备方法 |
CN109616654B (zh) * | 2018-12-13 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | 一种C/Si/SiOx材料及其制备方法和应用 |
CN110429263B (zh) * | 2019-08-13 | 2021-11-02 | 宁波富理电池材料科技有限公司 | 一种石墨烯/硅碳复合材料、其制备方法及应用 |
CN110649264B (zh) * | 2019-09-30 | 2021-08-17 | 中国科学院宁波材料技术与工程研究所 | 一种硅基负极材料及其制备方法 |
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