KR20220002522A - 고품질 그래핀 재료 제조 방법 - Google Patents
고품질 그래핀 재료 제조 방법 Download PDFInfo
- Publication number
- KR20220002522A KR20220002522A KR1020217038729A KR20217038729A KR20220002522A KR 20220002522 A KR20220002522 A KR 20220002522A KR 1020217038729 A KR1020217038729 A KR 1020217038729A KR 20217038729 A KR20217038729 A KR 20217038729A KR 20220002522 A KR20220002522 A KR 20220002522A
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- graphite
- electrode
- quality graphene
- electrolyte solution
- raw material
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 259
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 104
- 239000000463 material Substances 0.000 title claims abstract description 34
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 133
- 239000010439 graphite Substances 0.000 claims abstract description 133
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 69
- 239000002994 raw material Substances 0.000 claims abstract description 55
- 239000000843 powder Substances 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000009830 intercalation Methods 0.000 claims abstract description 28
- 230000002687 intercalation Effects 0.000 claims abstract description 28
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 239000003792 electrolyte Substances 0.000 claims abstract description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000005684 electric field Effects 0.000 claims abstract description 12
- 150000002978 peroxides Chemical class 0.000 claims abstract description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000003487 electrochemical reaction Methods 0.000 claims abstract description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004327 boric acid Substances 0.000 claims abstract description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims abstract description 3
- 239000005711 Benzoic acid Substances 0.000 claims abstract description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims abstract description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 3
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 3
- 235000010233 benzoic acid Nutrition 0.000 claims abstract description 3
- 235000019253 formic acid Nutrition 0.000 claims abstract description 3
- 239000010452 phosphate Substances 0.000 claims abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000006185 dispersion Substances 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 16
- 229910021382 natural graphite Inorganic materials 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- 235000011054 acetic acid Nutrition 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000005486 organic electrolyte Substances 0.000 claims description 5
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 235000013877 carbamide Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000000502 dialysis Methods 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 claims description 2
- UXGNZZKBCMGWAZ-UHFFFAOYSA-N dimethylformamide dmf Chemical compound CN(C)C=O.CN(C)C=O UXGNZZKBCMGWAZ-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 14
- 239000008187 granular material Substances 0.000 description 59
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 30
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 25
- 239000004677 Nylon Substances 0.000 description 17
- 229920001778 nylon Polymers 0.000 description 17
- 239000007864 aqueous solution Substances 0.000 description 16
- 239000012065 filter cake Substances 0.000 description 15
- 239000007787 solid Substances 0.000 description 15
- 238000002156 mixing Methods 0.000 description 14
- 238000003760 magnetic stirring Methods 0.000 description 12
- 229910052697 platinum Inorganic materials 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 238000002848 electrochemical method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000003917 TEM image Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000002524 electron diffraction data Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000002525 ultrasonication Methods 0.000 description 3
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 2
- 239000005695 Ammonium acetate Substances 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 235000019257 ammonium acetate Nutrition 0.000 description 2
- 229940043376 ammonium acetate Drugs 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013341 scale-up Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000138 intercalating agent Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/135—Carbon
-
- 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
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Carbon And Carbon Compounds (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501877.1 | 2019-06-11 | ||
| CN201910501877.1A CN110217784A (zh) | 2019-06-11 | 2019-06-11 | 一种高质量石墨烯材料的制备方法 |
| PCT/CN2019/112571 WO2020248462A1 (zh) | 2019-06-11 | 2019-10-22 | 一种高质量石墨烯材料的制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20220002522A true KR20220002522A (ko) | 2022-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217038729A KR20220002522A (ko) | 2019-06-11 | 2019-10-22 | 고품질 그래핀 재료 제조 방법 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2022534090A (zh) |
| KR (1) | KR20220002522A (zh) |
| CN (1) | CN110217784A (zh) |
| WO (1) | WO2020248462A1 (zh) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217784A (zh) * | 2019-06-11 | 2019-09-10 | 中国科学院上海微系统与信息技术研究所 | 一种高质量石墨烯材料的制备方法 |
| CN110482536A (zh) * | 2019-09-25 | 2019-11-22 | 维沃泰克仪器(扬州)有限公司 | 一种利用熔融碳酸盐一步电解制备石墨烯微片的方法 |
| CN111232964B (zh) * | 2020-01-19 | 2022-05-27 | 北京石墨烯研究院 | 一种石墨烯晶圆的转移方法、石墨烯晶圆及鼓泡体系 |
| CN111320166B (zh) * | 2020-01-19 | 2022-11-18 | 北京工业大学 | 一种一步电化学过程制备二维多孔氧化石墨烯的方法 |
| CN113371700A (zh) * | 2020-03-09 | 2021-09-10 | 山东恒华新材料有限公司 | 一种石墨插层物制备系统及方法 |
| CN111285360A (zh) * | 2020-03-19 | 2020-06-16 | 德阳烯碳科技有限公司 | 一种电化学膨胀插层石墨制备石墨烯的方法 |
| CN111453723A (zh) * | 2020-05-28 | 2020-07-28 | 鹰领航空高端装备技术秦皇岛有限公司 | 一种可膨胀石墨制备装置及其电化学插层方法 |
| CN112047330A (zh) * | 2020-09-23 | 2020-12-08 | 广西师范大学 | 一种实现电化学法生产石墨烯的同步剥离收集方法 |
| CN112645313B (zh) * | 2021-01-16 | 2022-05-27 | 大连理工大学 | 一种电化学快速批量制备石墨烯基单原子催化剂的方法及其应用 |
| CN113060722A (zh) * | 2021-03-17 | 2021-07-02 | 中国科学院上海微系统与信息技术研究所 | 一种高质量石墨烯材料的电化学制备方法 |
| CN113603084B (zh) * | 2021-08-24 | 2024-01-02 | 清华大学 | 一种电化学制备氧化石墨烯的方法 |
| CN114590802B (zh) * | 2021-12-08 | 2023-04-18 | 超威电源集团有限公司 | 一种电解制备石墨烯的方法及装置 |
| CN114408909B (zh) * | 2022-03-02 | 2024-03-15 | 广西师范大学 | 一种电化学剥离石墨制备石墨烯的方法 |
| CN115159514B (zh) * | 2022-07-19 | 2023-10-13 | 中钢集团南京新材料研究院有限公司 | 电化学制备石墨烯的方法、高比表面积石墨烯及相关产品 |
| CN115036510B (zh) * | 2022-07-25 | 2023-09-29 | 常州大学 | 一种无添加石墨烯/炭黑复合导电剂及其制备方法和应用 |
| CN115403036B (zh) * | 2022-08-30 | 2023-07-25 | 中钢天源股份有限公司 | 一种连续电化学剥离的装置、方法及应用 |
| CN115621463B (zh) * | 2022-10-21 | 2023-06-09 | 厦门凯纳石墨烯技术股份有限公司 | 一种石墨烯复合导电剂、制备方法及应用 |
| CN115893392A (zh) * | 2022-11-16 | 2023-04-04 | 西安交通大学 | 一种离域电化学剥离制备高质量石墨烯的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8858776B2 (en) * | 2011-06-28 | 2014-10-14 | Academia Sinica | Preparation of graphene sheets |
| CN103204494A (zh) * | 2012-01-16 | 2013-07-17 | 中央研究院 | 规模化量产制造石墨烯及石墨烯氧化物的设备及其方法 |
| CN102807213B (zh) * | 2012-08-30 | 2015-09-09 | 中国科学院苏州纳米技术与纳米仿生研究所 | 电化学制备石墨烯的方法 |
| CN103693638B (zh) * | 2013-12-09 | 2015-08-19 | 中国科学院山西煤炭化学研究所 | 一种电化学溶胀石墨制备石墨烯的方法 |
| CN103991862B (zh) * | 2013-12-27 | 2016-02-03 | 杭州金马能源科技有限公司 | 电化学高效剥离制备高质量石墨烯的方法 |
| CN104773730A (zh) * | 2015-04-29 | 2015-07-15 | 中国科学院深圳先进技术研究院 | 石墨烯的制备方法 |
| CN106904602B (zh) * | 2015-12-17 | 2019-03-15 | 烯美科技(深圳)有限公司 | 石墨烯量产化设备及其制造方法 |
| CN107215867B (zh) * | 2016-03-22 | 2019-05-10 | 中国科学院金属研究所 | 一种连续化制备氧化石墨烯微片的方法 |
| CN107235485B (zh) * | 2016-03-23 | 2019-09-10 | 上海新池能源科技有限公司 | 石墨烯的制备方法 |
| CN107235486B (zh) * | 2016-03-23 | 2019-11-29 | 上海新池能源科技有限公司 | 水溶性石墨烯的制备方法 |
| WO2020105646A1 (ja) * | 2018-11-21 | 2020-05-28 | 学校法人工学院大学 | グラフェンの製造方法及びグラフェン製造装置 |
| CN110217784A (zh) * | 2019-06-11 | 2019-09-10 | 中国科学院上海微系统与信息技术研究所 | 一种高质量石墨烯材料的制备方法 |
-
2019
- 2019-06-11 CN CN201910501877.1A patent/CN110217784A/zh active Pending
- 2019-10-22 KR KR1020217038729A patent/KR20220002522A/ko not_active Application Discontinuation
- 2019-10-22 WO PCT/CN2019/112571 patent/WO2020248462A1/zh active Application Filing
- 2019-10-22 JP JP2021569982A patent/JP2022534090A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN110217784A (zh) | 2019-09-10 |
| JP2022534090A (ja) | 2022-07-27 |
| WO2020248462A1 (zh) | 2020-12-17 |
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