CN114824233A - 锂电池高能量密度兼顾快充石墨负极材料的制备方法 - Google Patents
锂电池高能量密度兼顾快充石墨负极材料的制备方法 Download PDFInfo
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- CN114824233A CN114824233A CN202210609143.7A CN202210609143A CN114824233A CN 114824233 A CN114824233 A CN 114824233A CN 202210609143 A CN202210609143 A CN 202210609143A CN 114824233 A CN114824233 A CN 114824233A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 40
- 239000010439 graphite Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- 239000007773 negative electrode material Substances 0.000 title claims description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 42
- 239000006258 conductive agent Substances 0.000 claims abstract description 37
- 238000005087 graphitization Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 32
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000010406 cathode material Substances 0.000 claims abstract description 8
- -1 graphite alkene Chemical class 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims description 27
- 239000000571 coke Substances 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 23
- 238000000227 grinding Methods 0.000 claims description 18
- 238000000462 isostatic pressing Methods 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 230000004927 fusion Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011331 needle coke Substances 0.000 claims description 7
- 239000002006 petroleum coke Substances 0.000 claims description 6
- 150000002506 iron compounds Chemical class 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 150000003377 silicon compounds Chemical class 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 102220043159 rs587780996 Human genes 0.000 claims 2
- 238000012986 modification Methods 0.000 abstract description 8
- 230000004048 modification Effects 0.000 abstract description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000011247 coating layer Substances 0.000 abstract description 3
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 239000007770 graphite material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 230000010287 polarization Effects 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 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
- 238000002474 experimental method Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
-
- 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
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (6)
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CN202210609143.7A CN114824233A (zh) | 2022-05-31 | 2022-05-31 | 锂电池高能量密度兼顾快充石墨负极材料的制备方法 |
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CN202210609143.7A CN114824233A (zh) | 2022-05-31 | 2022-05-31 | 锂电池高能量密度兼顾快充石墨负极材料的制备方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116281994A (zh) * | 2023-03-14 | 2023-06-23 | 宁波杉杉新材料科技有限公司 | 一种石墨负极材料及其制备方法、锂离子电池 |
Citations (10)
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JPH11209114A (ja) * | 1998-01-22 | 1999-08-03 | Hitachi Chem Co Ltd | 黒鉛の製造法、リチウム二次電池及びその負極 |
CN101908627A (zh) * | 2010-08-05 | 2010-12-08 | 吴壮雄 | 锂离子二次电池负极材料及其制备方法 |
CN103855369A (zh) * | 2012-12-05 | 2014-06-11 | 上海杉杉科技有限公司 | 一种锂电池负极材料及其制备方法 |
CN105024075A (zh) * | 2014-12-18 | 2015-11-04 | 上海杉杉科技有限公司 | 快充石墨锂离子电池负极材料及其制备方法 |
CN106169582A (zh) * | 2016-08-23 | 2016-11-30 | 大连宏光锂业股份有限公司 | 一种天然针焦复合石墨负极材料生产方法 |
WO2017050260A1 (zh) * | 2015-09-25 | 2017-03-30 | 深圳市贝特瑞新能源材料股份有限公司 | 一种复合石墨的制备方法、复合石墨及锂离子电池 |
CN106981657A (zh) * | 2017-05-26 | 2017-07-25 | 成都海成远创科技有限公司 | 一种石墨负极材料及其制备方法 |
CN108550850A (zh) * | 2018-05-08 | 2018-09-18 | 中航锂电(洛阳)有限公司 | 一种高容量高压实人造石墨负极材料及其制备方法、锂离子电池 |
CN110697699A (zh) * | 2019-10-21 | 2020-01-17 | 内蒙古瀚璞科技发展有限公司 | 一种高容量锂离子电池石墨负极材料的制备方法 |
US20210313634A1 (en) * | 2020-04-01 | 2021-10-07 | Global Graphene Group, Inc. | Graphene-enabled battery fast-charging and cooling system and method of operating same |
-
2022
- 2022-05-31 CN CN202210609143.7A patent/CN114824233A/zh active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11209114A (ja) * | 1998-01-22 | 1999-08-03 | Hitachi Chem Co Ltd | 黒鉛の製造法、リチウム二次電池及びその負極 |
CN101908627A (zh) * | 2010-08-05 | 2010-12-08 | 吴壮雄 | 锂离子二次电池负极材料及其制备方法 |
CN103855369A (zh) * | 2012-12-05 | 2014-06-11 | 上海杉杉科技有限公司 | 一种锂电池负极材料及其制备方法 |
CN105024075A (zh) * | 2014-12-18 | 2015-11-04 | 上海杉杉科技有限公司 | 快充石墨锂离子电池负极材料及其制备方法 |
WO2017050260A1 (zh) * | 2015-09-25 | 2017-03-30 | 深圳市贝特瑞新能源材料股份有限公司 | 一种复合石墨的制备方法、复合石墨及锂离子电池 |
CN106169582A (zh) * | 2016-08-23 | 2016-11-30 | 大连宏光锂业股份有限公司 | 一种天然针焦复合石墨负极材料生产方法 |
CN106981657A (zh) * | 2017-05-26 | 2017-07-25 | 成都海成远创科技有限公司 | 一种石墨负极材料及其制备方法 |
CN108550850A (zh) * | 2018-05-08 | 2018-09-18 | 中航锂电(洛阳)有限公司 | 一种高容量高压实人造石墨负极材料及其制备方法、锂离子电池 |
CN110697699A (zh) * | 2019-10-21 | 2020-01-17 | 内蒙古瀚璞科技发展有限公司 | 一种高容量锂离子电池石墨负极材料的制备方法 |
US20210313634A1 (en) * | 2020-04-01 | 2021-10-07 | Global Graphene Group, Inc. | Graphene-enabled battery fast-charging and cooling system and method of operating same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116281994A (zh) * | 2023-03-14 | 2023-06-23 | 宁波杉杉新材料科技有限公司 | 一种石墨负极材料及其制备方法、锂离子电池 |
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