CN100554150C - 锂离子动力电池人造石墨负极材料的制备方法 - Google Patents
锂离子动力电池人造石墨负极材料的制备方法 Download PDFInfo
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- CN100554150C CN100554150C CNB2006100148786A CN200610014878A CN100554150C CN 100554150 C CN100554150 C CN 100554150C CN B2006100148786 A CNB2006100148786 A CN B2006100148786A CN 200610014878 A CN200610014878 A CN 200610014878A CN 100554150 C CN100554150 C CN 100554150C
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- coal tar
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- lithium ion
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000010439 graphite Substances 0.000 title claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 title description 24
- 240000003936 Plumbago auriculata Species 0.000 title 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000605 extraction Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005977 Ethylene Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000011294 coal tar pitch Substances 0.000 claims abstract description 10
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 8
- 239000007773 negative electrode material Substances 0.000 claims abstract description 5
- 239000011280 coal tar Substances 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 239000011269 tar Substances 0.000 claims abstract 3
- 239000003208 petroleum Substances 0.000 claims abstract 2
- 239000000284 extract Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 13
- 238000006116 polymerization reaction Methods 0.000 abstract description 10
- 238000005087 graphitization Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 34
- 238000013019 agitation Methods 0.000 description 17
- 239000003921 oil Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 239000011300 coal pitch Substances 0.000 description 13
- 238000009413 insulation Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 12
- 238000005406 washing Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 8
- 241000209456 Plumbago Species 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000002931 mesocarbon microbead Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
- 230000002073 mitogenetic effect Effects 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000011712 cell development Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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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- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
实例 | 平均粒度μm | 比表面积m<sup>2</sup>/g | 振实密度g/cm<sup>3</sup> | 收率% | 溶剂消耗吨 |
实施例1 | 8.029 | 1.51 | 1.18 | 24.7 | 13.8 |
实施例2 | 8.252 | 1.50 | 1.19 | 20.5 | 13.9 |
实施例3 | 10.604 | 1.48 | 1.24 | 23.4 | 15.4 |
实施例4 | 10.315 | 1.46 | 1.23 | 18.7 | 15.6 |
实施例5 | 6.672 | 1.56 | 1.16 | 23.9 | 13.4 |
实施例6 | 6.894 | 1.57 | 1.17 | 19.3 | 13.3 |
比较例1 | 10.624 | 1.49 | 1.23 | 17.2 | 17.4 |
放电倍率 | 测试指标 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 |
0.2C | 放电比容量mAh/g | 330 | 329 | 321 | 323 | 327 | 325 |
1C | 1C/0.2C % | 99.8 | 99.8 | 99.4 | 99.5 | 99.7 | 99.6 |
2C | 2C/0.2C % | 99.6 | 99.7 | 99.2 | 99.2 | 99.6 | 99.6 |
5C | 5C/0.2C % | 98.5 | 99.5 | 98.0 | 97.9 | 98.3 | 98.4 |
10C | 10C/0.2C % | 94.2 | 94.1 | 92.9 | 92.8 | 93.7 | 93.5 |
15C | 15C/0.2C % | 92.1 | 92.3 | 91.3 | 91.1 | 91.9 | 91.7 |
20C | 20C/0.2C % | 90.6 | 90.5 | 90.0 | 89.9 | 90.5 | 90.3 |
Claims (1)
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CNB2006100148786A CN100554150C (zh) | 2006-07-20 | 2006-07-20 | 锂离子动力电池人造石墨负极材料的制备方法 |
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CNB2006100148786A CN100554150C (zh) | 2006-07-20 | 2006-07-20 | 锂离子动力电池人造石墨负极材料的制备方法 |
Publications (2)
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CN101108729A CN101108729A (zh) | 2008-01-23 |
CN100554150C true CN100554150C (zh) | 2009-10-28 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101570330A (zh) * | 2009-03-07 | 2009-11-04 | 垦利三合新材料科技有限责任公司 | 一种改性天然石墨球的制备方法 |
CN101880042B (zh) * | 2010-06-02 | 2012-01-25 | 天津大学 | 用于制备锂离子电池负极的人造石墨微球及其制备方法 |
CN102104141B (zh) * | 2010-12-25 | 2013-04-03 | 雷铁军 | 热包覆法制备膜结构锂离子电池石墨负极材料 |
CN107324327B (zh) * | 2017-07-11 | 2019-05-24 | 陕西科技大学 | 一种以煤为原料直接合成石墨材料的方法和用途 |
CN109713237A (zh) * | 2017-10-26 | 2019-05-03 | 宁德时代新能源科技股份有限公司 | 一种锂离子二次电池 |
CN108483437B (zh) * | 2018-03-19 | 2021-07-09 | 安徽锦美碳材科技发展有限公司 | 一种以乙烯焦为原料的锂电池炭负极材料及其制备方法 |
CN109671938B (zh) * | 2018-12-21 | 2021-04-27 | 赣州市瑞富特科技有限公司 | 具有汉堡结构的复合包覆型石墨负极材料及其制备方法 |
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Owner name: TIANJIN BTR NEW ENERGY SCEINCE AND TECHNOLOGY CO., Free format text: FORMER OWNER: TIANJIN BTR NEW ENERGY MATERIAL CO., LTD. Effective date: 20140710 |
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Effective date of registration: 20140710 Address after: No. 9 Road nine industrial park 301802 Tianjin city Baodi District Tianjin beiterui new energy science and technology limited company development department Patentee after: Tianjin BTR New Energy Science and Technology Co., Ltd. Address before: 300110 middle Beizhen, Xiqing District, Tianjin Patentee before: Tianjin BTR New Energy Material Co., Ltd. |