CN114695846B - 一种针状焦的制备方法及其含硅负极材料 - Google Patents
一种针状焦的制备方法及其含硅负极材料 Download PDFInfo
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- CN114695846B CN114695846B CN202011601593.9A CN202011601593A CN114695846B CN 114695846 B CN114695846 B CN 114695846B CN 202011601593 A CN202011601593 A CN 202011601593A CN 114695846 B CN114695846 B CN 114695846B
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- 239000011331 needle coke Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000011887 silicon containing negative electrode material Substances 0.000 title description 6
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000010426 asphalt Substances 0.000 claims abstract description 20
- 239000010405 anode material Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 5
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 18
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 16
- 229910021382 natural graphite Inorganic materials 0.000 abstract description 10
- 229910021383 artificial graphite Inorganic materials 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000010406 cathode material Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 18
- 229910002804 graphite Inorganic materials 0.000 description 11
- 239000010439 graphite Substances 0.000 description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910021385 hard carbon Inorganic materials 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 229910021384 soft carbon Inorganic materials 0.000 description 6
- 239000003575 carbonaceous material Substances 0.000 description 5
- 238000005087 graphitization Methods 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
- H01M4/364—Composites as mixtures
-
- 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
- H01M4/36—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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
-
- 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)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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Citations (11)
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CN103113908A (zh) * | 2013-01-30 | 2013-05-22 | 陕西煤业化工技术研究院有限责任公司 | 一种煤系针状焦的制备工艺 |
CN103113907A (zh) * | 2013-01-30 | 2013-05-22 | 陕西煤业化工技术研究院有限责任公司 | 一种制备煤系针状焦的工艺方法 |
JP2016051622A (ja) * | 2014-09-01 | 2016-04-11 | 三洋化成工業株式会社 | 負極用活物質 |
CN107946593A (zh) * | 2017-12-01 | 2018-04-20 | 枣庄矿业集团煤化工研究院有限公司 | 一种煤沥青制备锂电负极材料针状焦的方法 |
CN109119627A (zh) * | 2018-08-28 | 2019-01-01 | 中南大学 | 一种高性能硅碳基负极材料的制备方法及装置 |
CN109370628A (zh) * | 2018-10-16 | 2019-02-22 | 陕西煤业化工集团神木天元化工有限公司 | 一种煤系针状焦的生产工艺 |
CN109370642A (zh) * | 2018-11-19 | 2019-02-22 | 山西中科化美科技有限责任公司 | 一种用于制备煤系针状焦的延迟焦化工艺 |
CN110041951A (zh) * | 2019-04-02 | 2019-07-23 | 广东煤基碳材料研究有限公司 | 一种针状焦及其制备方法 |
CN110407189A (zh) * | 2019-07-04 | 2019-11-05 | 山西沁新能源集团股份有限公司 | 煤针状焦及其制备方法、锂离子电池负极材料和锂离子电池 |
CN110612633A (zh) * | 2017-03-23 | 2019-12-24 | 纳米技术仪器公司 | 不可燃准固体电解质及含有其的锂二次电池 |
CN110612628A (zh) * | 2017-05-08 | 2019-12-24 | 纳米技术仪器公司 | 卷绕式碱金属电池和生产方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2650954B1 (en) * | 2010-12-10 | 2016-09-28 | Hitachi Chemical Co., Ltd. | Negative electrode material for lithium ion secondary battery, method for manufacturing same, negative electrode for lithium ion secondary battery, and lithium ion secondary battery |
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2020
- 2020-12-30 CN CN202011601593.9A patent/CN114695846B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103113908A (zh) * | 2013-01-30 | 2013-05-22 | 陕西煤业化工技术研究院有限责任公司 | 一种煤系针状焦的制备工艺 |
CN103113907A (zh) * | 2013-01-30 | 2013-05-22 | 陕西煤业化工技术研究院有限责任公司 | 一种制备煤系针状焦的工艺方法 |
JP2016051622A (ja) * | 2014-09-01 | 2016-04-11 | 三洋化成工業株式会社 | 負極用活物質 |
CN110612633A (zh) * | 2017-03-23 | 2019-12-24 | 纳米技术仪器公司 | 不可燃准固体电解质及含有其的锂二次电池 |
CN110612628A (zh) * | 2017-05-08 | 2019-12-24 | 纳米技术仪器公司 | 卷绕式碱金属电池和生产方法 |
CN107946593A (zh) * | 2017-12-01 | 2018-04-20 | 枣庄矿业集团煤化工研究院有限公司 | 一种煤沥青制备锂电负极材料针状焦的方法 |
CN109119627A (zh) * | 2018-08-28 | 2019-01-01 | 中南大学 | 一种高性能硅碳基负极材料的制备方法及装置 |
CN109370628A (zh) * | 2018-10-16 | 2019-02-22 | 陕西煤业化工集团神木天元化工有限公司 | 一种煤系针状焦的生产工艺 |
CN109370642A (zh) * | 2018-11-19 | 2019-02-22 | 山西中科化美科技有限责任公司 | 一种用于制备煤系针状焦的延迟焦化工艺 |
CN110041951A (zh) * | 2019-04-02 | 2019-07-23 | 广东煤基碳材料研究有限公司 | 一种针状焦及其制备方法 |
CN110407189A (zh) * | 2019-07-04 | 2019-11-05 | 山西沁新能源集团股份有限公司 | 煤针状焦及其制备方法、锂离子电池负极材料和锂离子电池 |
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