CN109560263B - 一种氧化锌包覆硅负极材料的制备方法 - Google Patents
一种氧化锌包覆硅负极材料的制备方法 Download PDFInfo
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- CN109560263B CN109560263B CN201811244640.1A CN201811244640A CN109560263B CN 109560263 B CN109560263 B CN 109560263B CN 201811244640 A CN201811244640 A CN 201811244640A CN 109560263 B CN109560263 B CN 109560263B
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- silicon
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- zinc oxide
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 118
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 64
- 239000010703 silicon Substances 0.000 title claims abstract description 64
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 59
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000011888 foil Substances 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 32
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 31
- 238000001354 calcination Methods 0.000 claims abstract description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 239000010406 cathode material Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000011701 zinc Substances 0.000 claims abstract description 12
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000006258 conductive agent Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000003213 activating Effects 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 15
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 15
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 239000010405 anode material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 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
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000001351 cycling Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000007086 side reaction Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000014759 maintenance of location Effects 0.000 description 9
- 230000001070 adhesive Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011068 load Methods 0.000 description 3
- 210000000282 Nails Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000011030 bottleneck Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
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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
- H01M4/38—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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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- 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
Abstract
Description
实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 | 实施例7 | 实施例8 | |
Ah | 2.4 | 2 | 2.6 | 2.5 | 3 | 2.8 | 2.7 | 2.4 |
Br/min | 300 | 330 | 400 | 450 | 480 | 380 | 500 | 370 |
Ch | 2.3 | 2.5 | 2.2 | 2.8 | 2.7 | 3 | 2.9 | 2 |
Dr/min | 1200 | 850 | 1050 | 950 | 1000 | 1100 | 800 | 900 |
Eμm | 15 | 17 | 23 | 18 | 20 | 22 | 19 | 25 |
F% | 35 | 30 | 33 | 38 | 32 | 40 | 37 | 31 |
Gμm | 0.7 | 0.5 | 1 | 0.7 | 0.9 | 0.2 | 0.3 | 0.6 |
H℃ | 105 | 111 | 110 | 108 | 100 | 115 | 120 | 118 |
Ih | 5.5 | 3 | 3.5 | 4.5 | 4 | 6 | 3.5 | 4 |
J℃ | 700 | 720 | 760 | 780 | 740 | 730 | 800 | 750 |
Kh | 7 | 4.5 | 5.5 | 6 | 5 | 4.5 | 4 | 6.5 |
Lh | 2.5 | 2 | 3 | 3.5 | 2 | 3 | 3 | 4 |
M℃ | 500 | 460 | 485 | 475 | 455 | 480 | 450 | 490 |
N℃ | 715 | 725 | 735 | 740 | 750 | 710 | 700 | 720 |
Oh | 3 | 5.5 | 4 | 4.5 | 3.5 | 5 | 6 | 4.5 |
Claims (3)
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CN202110362346.6A CN112993228A (zh) | 2018-10-24 | 2018-10-24 | 一种氧化锌包覆硅负极材料的制备工艺 |
CN201811244640.1A CN109560263B (zh) | 2018-10-24 | 2018-10-24 | 一种氧化锌包覆硅负极材料的制备方法 |
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Families Citing this family (7)
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CN110212182A (zh) * | 2019-05-27 | 2019-09-06 | 珠海格力电器股份有限公司 | 电池正极材料及包含其的正极片、电池负极材料及包含其的负极片、锂离子电池和电极浆料 |
CN110867565B (zh) * | 2019-07-26 | 2021-01-19 | 吉林大学 | 一种碳包覆硅和氧化锌复合电极材料的制备方法 |
CN112886010B (zh) * | 2019-11-30 | 2022-11-11 | 华为技术有限公司 | 负极材料及其制备方法,电池和终端 |
CN111463424A (zh) * | 2020-04-09 | 2020-07-28 | 北京蒙京石墨新材料科技研究院有限公司 | 一种硅氧负极浆料的制备方法 |
CN112133887A (zh) * | 2020-10-09 | 2020-12-25 | 昆山宝创新能源科技有限公司 | 准固态电池极片及其制备方法和应用 |
CN112993223B (zh) * | 2021-02-07 | 2022-04-12 | 西南科技大学 | 一种双层包覆结构的锂离子电池负极材料及其制备方法 |
CN114914418A (zh) * | 2022-05-16 | 2022-08-16 | 合肥国轩高科动力能源有限公司 | 一种硅基纳米复合负极材料及其制备方法 |
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