CN103043655B - 高比表面积膨胀石墨的制备方法 - Google Patents
高比表面积膨胀石墨的制备方法 Download PDFInfo
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- CN103043655B CN103043655B CN201210508884.2A CN201210508884A CN103043655B CN 103043655 B CN103043655 B CN 103043655B CN 201210508884 A CN201210508884 A CN 201210508884A CN 103043655 B CN103043655 B CN 103043655B
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- Prior art keywords
- expanded graphite
- surface area
- specific surface
- preparation
- gained
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 39
- 239000010439 graphite Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 230000001007 puffing effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 238000006396 nitration reaction Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 13
- 239000003595 mist Substances 0.000 claims description 12
- 229910021382 natural graphite Inorganic materials 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 230000008961 swelling Effects 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 239000011541 reaction mixture Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000003252 repetitive effect Effects 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000009830 intercalation Methods 0.000 abstract description 4
- 230000002687 intercalation Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000004254 Ammonium phosphate Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 3
- 235000019289 ammonium phosphates Nutrition 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000138 intercalating agent Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN103043655A CN103043655A (zh) | 2013-04-17 |
CN103043655B true CN103043655B (zh) | 2014-08-13 |
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Families Citing this family (1)
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RU2690449C1 (ru) * | 2018-09-07 | 2019-06-03 | Общество с ограниченной ответственностью "Уфимское технико-технологическое предприятие" | Способ получения терморасширенного графита |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102408108A (zh) * | 2011-07-27 | 2012-04-11 | 攀枝花学院 | 细鳞片石墨的膨胀方法以及膨胀石墨板材的制备方法 |
CN102424382A (zh) * | 2011-09-16 | 2012-04-25 | 中国科学院宁波材料技术与工程研究所 | 一种常压低温条件下制备高比表面积石墨烯的方法 |
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2012
- 2012-11-29 CN CN201210508884.2A patent/CN103043655B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102408108A (zh) * | 2011-07-27 | 2012-04-11 | 攀枝花学院 | 细鳞片石墨的膨胀方法以及膨胀石墨板材的制备方法 |
CN102424382A (zh) * | 2011-09-16 | 2012-04-25 | 中国科学院宁波材料技术与工程研究所 | 一种常压低温条件下制备高比表面积石墨烯的方法 |
Non-Patent Citations (3)
Title |
---|
刘开平等.膨胀石墨化学氧化法制备技术研究进展.《长安大学学报(地球科学版)》.2003,第25卷(第4期),第85-91页. * |
杨建国等.聚苯乙烯/氧化石墨纳米复合材料的制备与性能.《高分子材料科学与工程》.2005,第21卷(第5期),第55-58页. |
聚苯乙烯/氧化石墨纳米复合材料的制备与性能;杨建国等;《高分子材料科学与工程》;20050930;第21卷(第5期);第55-58页 * |
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Effective date of registration: 20160511 Address after: 9, J building, building 20, block C, 1 Science Park, Shenzhen Road, Longhua New District, Longhua, Guangdong, 518000, China Patentee after: Shenzhen City Xiangfenghua Technology Co., Ltd. Address before: Yongan City, Fujian province 366011 Gongshui Road No. 189 (East Sichuan town entrepreneurship training center building) Patentee before: FUJIAN XFH BATTERY MATERIAL CO., LTD. |
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Address after: 9, J building, building 20, block C, 1 Science Park, Shenzhen Road, Longhua New District, Longhua, Guangdong, 518000, China Patentee after: Shenzhen City Cheung Polytron Technologies Inc Fenghua Address before: 9, J building, building 20, block C, 1 Science Park, Shenzhen Road, Longhua New District, Longhua, Guangdong, 518000, China Patentee before: Shenzhen City Xiangfenghua Technology Co., Ltd. |
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Denomination of invention: Preparation of expanded graphite with high specific surface area Effective date of registration: 20211026 Granted publication date: 20140813 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: Shenzhen City Cheung Polytron Technologies Inc. Fenghua Registration number: Y2021980011318 |