CN102005559B - 锂离子电池人造石墨负极材料的制备方法 - Google Patents
锂离子电池人造石墨负极材料的制备方法 Download PDFInfo
- Publication number
- CN102005559B CN102005559B CN2009100703133A CN200910070313A CN102005559B CN 102005559 B CN102005559 B CN 102005559B CN 2009100703133 A CN2009100703133 A CN 2009100703133A CN 200910070313 A CN200910070313 A CN 200910070313A CN 102005559 B CN102005559 B CN 102005559B
- Authority
- CN
- China
- Prior art keywords
- temperature
- coal tar
- pitch
- mixture
- lithium ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010406 cathode material Substances 0.000 title claims abstract description 8
- 229910021383 artificial graphite Inorganic materials 0.000 title claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000005087 graphitization Methods 0.000 claims abstract description 29
- 239000011280 coal tar Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 239000004005 microsphere Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000011294 coal tar pitch Substances 0.000 claims description 13
- 239000002931 mesocarbon microbead Substances 0.000 claims description 13
- 239000011302 mesophase pitch Substances 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 240000003936 Plumbago auriculata Species 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000000703 high-speed centrifugation Methods 0.000 claims description 2
- 238000012719 thermal polymerization Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 22
- 239000012286 potassium permanganate Substances 0.000 abstract description 16
- 239000011300 coal pitch Substances 0.000 abstract description 9
- 229910002804 graphite Inorganic materials 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 8
- 239000011295 pitch Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 10
- 238000006116 polymerization reaction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000007086 side reaction 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
- 238000004458 analytical method Methods 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 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
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel 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
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100703133A CN102005559B (zh) | 2009-09-01 | 2009-09-01 | 锂离子电池人造石墨负极材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100703133A CN102005559B (zh) | 2009-09-01 | 2009-09-01 | 锂离子电池人造石墨负极材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102005559A CN102005559A (zh) | 2011-04-06 |
CN102005559B true CN102005559B (zh) | 2013-06-05 |
Family
ID=43812762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100703133A Active CN102005559B (zh) | 2009-09-01 | 2009-09-01 | 锂离子电池人造石墨负极材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102005559B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103022494B (zh) * | 2012-12-21 | 2013-11-06 | 济宁碳素集团有限公司 | 一种人造石墨的制备方法及其应用 |
CN111244449B (zh) * | 2018-11-28 | 2022-04-08 | 上海杉杉科技有限公司 | 改性中间相负极材料、锂离子二次电池、制备方法和应用 |
CN111732098A (zh) * | 2020-07-01 | 2020-10-02 | 河南开炭新材料设计研究院有限公司 | 一种用于锂电池负极材料沥青基炭微球制备方法 |
CN113594450B (zh) * | 2021-07-15 | 2023-01-13 | 山西沁新能源集团股份有限公司 | 一种锂离子电池用煤基人造石墨负极材料的制备方法 |
CN115637329B (zh) * | 2022-12-23 | 2023-03-31 | 湖南金阳烯碳新材料股份有限公司 | 一种锂离子电池负极材料的回收工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1308113A (zh) * | 2000-11-23 | 2001-08-15 | 天津大学 | 中间相炭微球的共缩聚制备方法 |
CN101456552A (zh) * | 2009-01-06 | 2009-06-17 | 黑龙江大学 | 原位同步合成碳化钨/石墨碳纳米复合物的方法 |
-
2009
- 2009-09-01 CN CN2009100703133A patent/CN102005559B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1308113A (zh) * | 2000-11-23 | 2001-08-15 | 天津大学 | 中间相炭微球的共缩聚制备方法 |
CN101456552A (zh) * | 2009-01-06 | 2009-06-17 | 黑龙江大学 | 原位同步合成碳化钨/石墨碳纳米复合物的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102005559A (zh) | 2011-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103078090B (zh) | 一种锂离子动力电池复合负极材料及其制备方法 | |
CN101887966B (zh) | 锂离子电池复合硬碳负极材料的制备方法 | |
CN113113601B (zh) | 一种锂离子二次电池用硬碳负极材料及其制备方法 | |
CN104009210B (zh) | 一种多孔硅/碳复合材料、制备方法及用途 | |
CN105845936B (zh) | 一种锂离子电池用改性硬炭负极材料的制备方法 | |
CN102485648B (zh) | 改性石墨、复合石墨材料及其制备方法和用途 | |
CN102479942B (zh) | 一种硬碳负极材料及其制备方法和用途 | |
CN102403491A (zh) | 一种锂离子电池硅碳复合负极材料及其制备方法及锂离子电池 | |
CN109921020A (zh) | 一种高容量锂离子电池硬炭负极材料的制备方法 | |
CN108394884A (zh) | 一种壳聚糖基高比表面积氮/磷共掺杂碳纳米片的制备方法 | |
CN103887502A (zh) | 一种人造石墨锂离子电池负极材料及其制备方法 | |
CN106252662A (zh) | 一种低膨胀石墨的制备方法 | |
CN103078092A (zh) | 一种制备锂离子电池硅碳复合负极材料的方法 | |
CN107507963A (zh) | 一种石墨烯包覆人造石墨负极材料的制备方法 | |
CN103840161A (zh) | 一种制备锂电池负极材料的方法及锂电池负极片 | |
CN103236530A (zh) | 硅碳复合材料及其制备方法、含该材料的锂离子电池 | |
CN110890545A (zh) | 一种pedot:pss/cmc复合粘结剂及其制备方法和应用 | |
CN102005559B (zh) | 锂离子电池人造石墨负极材料的制备方法 | |
CN102110813B (zh) | 锂离子电池负极石墨材料及其制备方法 | |
CN107026262A (zh) | 表面石墨烯包覆的高容量球形硬炭负极材料 | |
CN103855395B (zh) | 一种锂离子电池天然石墨负极材料及其制备方法 | |
CN111342014A (zh) | 一种锂离子电池硅碳负极材料及其制备方法 | |
CN100554150C (zh) | 锂离子动力电池人造石墨负极材料的制备方法 | |
CN109742356A (zh) | 一种石墨负极材料的制备方法 | |
CN104377346A (zh) | 一种钠离子电池改性石墨负极材料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Wang Ali Document name: Notification of Passing Preliminary Examination of the Application for Invention Addressee: Wang Ali Document name: Notification that Application Deemed not to be Proposed |
|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
DD01 | Delivery of document by public notice |
Addressee: Tianjin Eminent Battery Materials Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
|
DD01 | Delivery of document by public notice |
Addressee: Tianjin Eminent Battery Materials Co.,Ltd. Document name: Notification to Go Through Formalities of Registration |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110406 Assignee: Tangshan Sanxing Chemical Co. Ltd. Assignor: Tianjin Eminent Battery Materials Co.,Ltd. Contract record no.: 2014120000030 Denomination of invention: Method for preparing artificial graphite cathode material for lithium ion batteries Granted publication date: 20130605 License type: Exclusive License Record date: 20140610 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190808 Address after: 610000 No. 21, Yangzhong No. 7 Road, Qionglai Industrial Park, Tianfu New District, Chengdu City, Sichuan Province Patentee after: Chengdu Emin New Energy Technology Co., Ltd. Address before: 300354 Xinzhuang Economic Service Zone, Jinnan District, Tianjin Patentee before: Tianjin Eminent Battery Materials Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
DD01 | Delivery of document by public notice |
Addressee: Tianjin Eminent Battery Materials Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
|
DD01 | Delivery of document by public notice |