CN112777591A - 一种锂电池负极材料的制备方法 - Google Patents
一种锂电池负极材料的制备方法 Download PDFInfo
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- CN112777591A CN112777591A CN202110053666.3A CN202110053666A CN112777591A CN 112777591 A CN112777591 A CN 112777591A CN 202110053666 A CN202110053666 A CN 202110053666A CN 112777591 A CN112777591 A CN 112777591A
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- Prior art keywords
- graphene oxide
- solution
- lithium battery
- gold
- acid
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 65
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000002253 acid Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004471 Glycine Substances 0.000 claims abstract description 22
- 239000010931 gold Substances 0.000 claims abstract description 21
- 229910052737 gold Inorganic materials 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 20
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 19
- 238000009835 boiling Methods 0.000 claims abstract description 18
- 239000010406 cathode material Substances 0.000 claims abstract description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 11
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 239000006185 dispersion Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000010992 reflux Methods 0.000 claims abstract description 9
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 9
- 239000001509 sodium citrate Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000012153 distilled water Substances 0.000 claims description 9
- 238000000643 oven drying Methods 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 46
- 230000000052 comparative effect Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 gold ions Chemical class 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012073 inactive phase Substances 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/198—Graphene oxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
- C01B32/196—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/22—Electronic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/30—Purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
库仑效率/% | 比容量mA·h/g | |
实施例1 | 99.2 | 901.7 |
实施例2 | 99.4 | 906.4 |
实施例3 | 99.5 | 912.4 |
实施例4 | 99.7 | 921.8 |
实施例5 | 99.5 | 920.1 |
对比例1 | 94.5 | 834.6 |
对比例2 | 95.0 | 801.2 |
Claims (4)
Priority Applications (1)
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CN202110053666.3A CN112777591B (zh) | 2021-01-15 | 2021-01-15 | 一种锂电池负极材料的制备方法 |
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CN202110053666.3A CN112777591B (zh) | 2021-01-15 | 2021-01-15 | 一种锂电池负极材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN112777591A true CN112777591A (zh) | 2021-05-11 |
CN112777591B CN112777591B (zh) | 2022-02-22 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102195031A (zh) * | 2010-03-05 | 2011-09-21 | 张少波 | 一种高温制备锂离子电池纳米线碳化硅/石墨复合负极材料的方法 |
US20120161192A1 (en) * | 2010-12-22 | 2012-06-28 | Korea Advanced Institute Of Science And Technology | Nitrogen-doped transparent graphene film and manufacturing method thereof |
CN102569788A (zh) * | 2010-12-29 | 2012-07-11 | 比亚迪股份有限公司 | 一种锂离子电池的负极材料及其制备方法、以及一种锂离子电池 |
CN103107336A (zh) * | 2013-01-28 | 2013-05-15 | 方大工业技术研究院有限公司 | 梯度包覆的锂离子电池石墨负极材料及其制备方法 |
CN103996833A (zh) * | 2014-06-12 | 2014-08-20 | 上海第二工业大学 | 一种锂离子电池用改性硬炭微球负极材料及其制备方法 |
CN104638254A (zh) * | 2015-01-26 | 2015-05-20 | 中国石油大学(华东) | 一种层状SiO2@C/G锂离子电池负极材料自组装方法 |
CN111653735A (zh) * | 2020-02-24 | 2020-09-11 | 深圳市翔丰华科技股份有限公司 | 一种低温碳包覆多孔硅复合负极材料及其制备方法 |
-
2021
- 2021-01-15 CN CN202110053666.3A patent/CN112777591B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102195031A (zh) * | 2010-03-05 | 2011-09-21 | 张少波 | 一种高温制备锂离子电池纳米线碳化硅/石墨复合负极材料的方法 |
US20120161192A1 (en) * | 2010-12-22 | 2012-06-28 | Korea Advanced Institute Of Science And Technology | Nitrogen-doped transparent graphene film and manufacturing method thereof |
CN102569788A (zh) * | 2010-12-29 | 2012-07-11 | 比亚迪股份有限公司 | 一种锂离子电池的负极材料及其制备方法、以及一种锂离子电池 |
CN103107336A (zh) * | 2013-01-28 | 2013-05-15 | 方大工业技术研究院有限公司 | 梯度包覆的锂离子电池石墨负极材料及其制备方法 |
CN103996833A (zh) * | 2014-06-12 | 2014-08-20 | 上海第二工业大学 | 一种锂离子电池用改性硬炭微球负极材料及其制备方法 |
CN104638254A (zh) * | 2015-01-26 | 2015-05-20 | 中国石油大学(华东) | 一种层状SiO2@C/G锂离子电池负极材料自组装方法 |
CN111653735A (zh) * | 2020-02-24 | 2020-09-11 | 深圳市翔丰华科技股份有限公司 | 一种低温碳包覆多孔硅复合负极材料及其制备方法 |
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