CN112028064B - 一种微小中空球体石墨负极材料的制备方法 - Google Patents
一种微小中空球体石墨负极材料的制备方法 Download PDFInfo
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- CN112028064B CN112028064B CN202010830208.1A CN202010830208A CN112028064B CN 112028064 B CN112028064 B CN 112028064B CN 202010830208 A CN202010830208 A CN 202010830208A CN 112028064 B CN112028064 B CN 112028064B
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- barium sulfate
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000010439 graphite Substances 0.000 title claims abstract description 54
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 54
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 77
- 239000011248 coating agent Substances 0.000 claims abstract description 76
- 239000002245 particle Substances 0.000 claims abstract description 52
- 239000011162 core material Substances 0.000 claims abstract description 29
- 239000010406 cathode material Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000010426 asphalt Substances 0.000 claims abstract description 22
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 76
- 239000012798 spherical particle Substances 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000011329 calcined coke Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 239000010419 fine particle Substances 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 238000005087 graphitization Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004005 microsphere Substances 0.000 claims description 2
- 239000010405 anode material Substances 0.000 claims 1
- 239000011257 shell material Substances 0.000 abstract description 11
- 230000001351 cycling effect Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910001416 lithium ion Inorganic materials 0.000 description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 239000007790 solid phase Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910013458 LiC6 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000011366 tin-based material Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- C01B32/20—Graphite
- C01B32/205—Preparation
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
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CN202010830208.1A CN112028064B (zh) | 2020-08-18 | 2020-08-18 | 一种微小中空球体石墨负极材料的制备方法 |
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CN202010830208.1A CN112028064B (zh) | 2020-08-18 | 2020-08-18 | 一种微小中空球体石墨负极材料的制备方法 |
Publications (2)
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CN112028064A CN112028064A (zh) | 2020-12-04 |
CN112028064B true CN112028064B (zh) | 2021-12-31 |
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CN202010830208.1A Active CN112028064B (zh) | 2020-08-18 | 2020-08-18 | 一种微小中空球体石墨负极材料的制备方法 |
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JP3716818B2 (ja) * | 2002-06-25 | 2005-11-16 | 日本カーボン株式会社 | 天然黒鉛を用いた高性能リチウムイオン二次電池用負極材の製造方法 |
CN103482606B (zh) * | 2013-09-23 | 2015-06-17 | 大连宏光锂业股份有限公司 | 一种中间相炭负极材料的生产方法 |
CN106025277B (zh) * | 2016-06-18 | 2018-10-02 | 湖南中科星城石墨有限公司 | 一种低反弹、高能量密度复合石墨负极材料及其制备方法 |
CN108328613B (zh) * | 2017-12-15 | 2019-10-25 | 大同新成新材料股份有限公司 | 一种利用针状焦生产石墨负极材料的方法及负极材料 |
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Inventor after: Han Feng Inventor after: Peng Yuanmin Inventor after: Han Shaofeng Inventor after: Yang Dongliang Inventor after: Guo Feng Inventor before: Peng Yuanmin Inventor before: Han Feng Inventor before: Han Shaofeng Inventor before: Yang Dongliang Inventor before: Guo Feng |
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Denomination of invention: Preparation method of a small hollow sphere graphite negative electrode material Effective date of registration: 20230803 Granted publication date: 20211231 Pledgee: Everbright Xinglong Trust Co.,Ltd. Pledgor: GANZHOU RUI FUTE TECHNOLOGY CO.,LTD. Registration number: Y2023980050812 |