CN104817075A - Preparation method of highly-dispersed graphene oxide nanobelt liquid - Google Patents
Preparation method of highly-dispersed graphene oxide nanobelt liquid Download PDFInfo
- Publication number
- CN104817075A CN104817075A CN201510192068.9A CN201510192068A CN104817075A CN 104817075 A CN104817075 A CN 104817075A CN 201510192068 A CN201510192068 A CN 201510192068A CN 104817075 A CN104817075 A CN 104817075A
- Authority
- CN
- China
- Prior art keywords
- liquid
- carbon nanotube
- suspension liquid
- preparation
- water
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 43
- 239000002127 nanobelt Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 34
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 20
- 239000012286 potassium permanganate Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims description 48
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 16
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000002109 single walled nanotube Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- 235000011089 carbon dioxide Nutrition 0.000 claims description 3
- 239000002079 double walled nanotube Substances 0.000 claims description 3
- 229960004756 ethanol Drugs 0.000 claims description 3
- 239000002048 multi walled nanotube Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 239000011232 storage material Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000000969 carrier Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000000967 suction filtration Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 2
- 229910052728 basic metal Inorganic materials 0.000 description 2
- 150000003818 basic metals Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002082 metal nanoparticle Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000047 product 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The invention provides a preparation method of a highly-dispersed graphene oxide nanobelt liquid and belongs to the technical field of carbon nano materials. The method mainly comprises the following steps of mixing carbon nano tubes into concentrated sulfuric acid and potassium permanganate for physical and chemical reaction, then adding solid residues in the mixture into a mixture of anhydrous ethanol and water to strip and disperse graphene oxide nanobelts in a super-critical state, and finally obtaining the highly-dispersed graphene oxide nanobelt liquid. The preparation method of the highly-dispersed graphene oxide nanobelt liquid is simple in operation, low in production cost, environmentally friendly and applicable to mass industrial production; the obtained graphene nanobelts are large in specific surface area, well-developed in pore structure and strong in electrical conductivity and can be widely applied to energy storage materials of batteries and supercapacitors as well as the application fields of electrical and heat conduction and absorption, catalyst carriers, coatings and the like.
Description
Technical field
The present invention relates to and belong to carbon nanomaterial technical field.
Background technology
2004, Graphene was invented, because it has high strength (2.9 μ N/100nm
2) and high rigidity (Young's modulus can close to 1.0TPa, and breaking tenacity is up to 130GPa), high current carrier rate travel (about 200,000cm
2v
-1s
-1), be better than carbon nanotube and decuple the thermal conductivity (5300Wm of copper
-1k
-1), extraordinary specific surface area is (up to 2630m
2the theoretical value of/g) etc. advantageous property, have a extensive future, cause the great interest of people to it of knowing clearly.
Graphene nanobelt has the banded Graphene compared with large aspect ratio, and it inherits Graphene advantageous property, has again its distinctive semiconducting behavior simultaneously.Therefore, graphene nanobelt is with a wide range of applications in Novel electronic devices, nano electron device and the fields such as unicircuit, matrix material such as ultracapacitor, solar cell, lithium ion battery, senser elements.
The existing preparation method preparing graphene nanobelt mainly contains the methods such as the cutting of basic metal nano particle, temperature difference cutting.Basic metal nano particle patterning method is the corrasion cutting graphite alkene in annealing process, prepares graphene nanobelt.This method production technology is complicated, and yield poorly, cost is high, is not suitable for the demand of industrial preparation in macroscopic quantity.Temperature difference patterning method is use high temperature, low temperature processes successively by acid-base pretreatment carbon nanotube, prepares graphene nanobelt.This method needs strong acid, highly basic, high temperature and low temperature environment, and require high to production unit, production cost is high, is also unsuitable for suitability for industrialized production.
Summary of the invention
The object of the invention is to solve existing graphene nanobelt preparation method productive rate low, be difficult to the too loaded down with trivial details problem of preparation in macroscopic quantity, operation, a kind of easy to operate, graphene nanobelt liquid and preparation method thereof of being easy to large-scale production is provided.
The technical scheme adopted for realizing the object of the invention is such, and a kind of preparation method of stannic oxide/graphene nano band liquid of high dispersing, is characterized in that, comprise the following steps:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 1 ~ 24 hour, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 50 ~ 2000.
1-2) in suspension liquid I, add potassium permanganate, stir, obtain suspension liquid II.Step 1-1) described in the quality (g) of carbon nanotube and 1-2) described in the ratio of potassium permanganate quality (g) be 1: 1 ~ 20.
1-3) from described suspension liquid II, isolate solid residue.
2) supercritical dispersion of graphene nanobelt:
2-1) configure the mixing solutions of dehydrated alcohol and water.The ratio of dehydrated alcohol and water is 1 ~ 10: 1
2-2) by step 1) solid of gained joins in mixing solutions, and sonic oscillation 0.5-2h makes it be uniformly dispersed, and obtains suspension liquid III.
2-3) suspension liquid III is placed in high pressure vessel, heating suspension liquid III, makes it super critical condition reaction 1 ~ 8 hour, obtain the graphene nanobelt liquid of high dispersing.
Further, step 1-1) in, described carbon nanotube is selected from Single Walled Carbon Nanotube, double-walled carbon nano-tube or multi-walled carbon nano-tubes.
Further, step 1-1) described vitriol oil concentration is 70wt% ~ 98wt%,
Further, step 1-2) in, add potassium permanganate in suspension liquid I after, to in " suspension liquid I-potassium permanganate " system whipping process, at ambient temperature described system was stirred before this, then being be heated to stir described system at 60-90 DEG C, is finally stir described system under the condition of ice bath zero degree.
Further, step 1-3) in, the detailed process isolating solid from described suspension liquid II is:
First isolate solid residue by the mode of suction filtration from suspension liquid II, then repeatedly clean suspension liquid II with deionized water, until the pH value of filtrate is 7.
Further, step 2-3) described in high pressure vessel in be filled with the supercutical fluid that pressure is 6 ~ 30Mpa.
After heating suspension liquid III, the pressure in high pressure vessel is 6 ~ 30Mpa, and temperature is 300 ~ 650 DEG C.
Compared with prior art, the invention provides a kind of preparation method of graphene nanobelt liquid of high dispersing, with oxidizing acid and oxygenant, physical chemistry cutting is carried out to carbon nanotube, by water-ethanol-CO 2 supercritical system, supercritical dispersion is carried out to cleaved products again, prepare the graphene nanobelt liquid of high dispersing.Compared with prior art, whole production technique is conducive to suitability for industrialized production, and equipment is simple, with low cost.Supercritical dispersion technique water used, carbonic acid gas, ethanol are easy to obtain, and environmental friendliness is nontoxic.The inventive method is easy and simple to handle, and production cost is low, environmental friendliness, and the graphene nanobelt prepared has outstanding electric property, especially in energy storage material, sorbing material, microelectronic device, has very large application prospect.
Accompanying drawing explanation
Fig. 1 is the graphene nanobelt liquid photo of high dispersing prepared by embodiment 1.
Fig. 2 is the stereoscan photograph of graphene nanobelt prepared by embodiment 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention and be only limitted to following embodiment.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and customary means, make various replacement and change, all should be included in protection scope of the present invention.
Embodiment 1:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 24 hours, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 400; Described carbon nanotube is selected from Single Walled Carbon Nanotube.Described vitriol oil concentration is 70wt%.
1-2) in suspension liquid I, add potassium permanganate, mix and blend 10 hours under room temperature, is then heated to 85 DEG C of Keep agitation 4 hours by mixed solution, is then transferred to by mixed solution in ice bath environment and stirs 1 hour under zero degree condition, obtain suspension liquid II; Step 1-1) described in the quality of carbon nanotube and 1-2) described in potassium permanganate mass ratio be 1: 7.95;
1-3) suction filtration in described suspension liquid II is isolated solid residue, with the solid residue of distilled water wash gained, till pH value=7 of filtrate;
2) supercritical dispersion of graphene nanobelt liquid:
2-1) according to the volume ratio of dehydrated alcohol and water be 10: 1 proportioning mixing solutions;
2-2) by step 1) solid matter of gained joins in the mixing solutions of dehydrated alcohol and water, under room temperature under oscillation frequency is 100Hz condition sonic oscillation 2h, make it be uniformly dispersed, obtain suspension liquid III;
2-3) suspension liquid III is placed in the high pressure vessel being filled with carbonic acid gas, suspension liquid III is until the pressure in high pressure vessel is 7.4Mpa in heating, temperature is 304 DEG C and keeps supercritical reaction 6 hours, and then naturally cooling, namely obtains the graphene nanobelt liquid of high dispersing.Graphene nanobelt in graphene nanobelt liquid is as accompanying drawing 2.
Embodiment 2:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 1 hour, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 50; Described carbon nanotube is selected from Single Walled Carbon Nanotube.Described vitriol oil concentration is 80wt%.
1-2) in suspension liquid I, add potassium permanganate, mix and blend 1 hour under room temperature, is then heated to 60 DEG C of Keep agitation 1 hour by mixed solution, is then transferred in ice bath environment by mixed solution and stirs 10min under zero degree condition, obtain suspension liquid II; The quality of described carbon nanotube and potassium permanganate mass ratio are 1: 1;
1-3) suction filtration in described suspension liquid II is isolated solid residue, with the solid residue of distilled water wash gained, till pH value=7 of filtrate;
2) supercritical dispersion of graphene nanobelt liquid:
2-1) according to the volume ratio of dehydrated alcohol and water be 0: 1 proportioning mixing solutions;
2-2) by step 1) solid matter of gained joins in the mixing solutions of dehydrated alcohol and water, under room temperature under oscillation frequency is 1000Hz condition sonic oscillation 1h, make it be uniformly dispersed, obtain suspension liquid III;
2-3) suspension liquid III is placed in the high pressure vessel being filled with water vapour, heating suspension liquid III until the pressure in high pressure vessel be 22Mpa, temperature is 647 DEG C, keep supercritical reaction 1 hour, then naturally cooling, namely obtains the graphene nanobelt liquid of high dispersing.
Embodiment 3:
A preparation method for the stannic oxide/graphene nano band liquid of high dispersing, is characterized in that, comprise the following steps:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 24 hours, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 1000; Described carbon nanotube is selected from multi-walled carbon nano-tubes.Described vitriol oil concentration is 98wt%.
1-2) in suspension liquid I, add potassium permanganate, mix and blend 10 hours under room temperature, is then heated to 90 DEG C of Keep agitation 10 hours by mixed solution, is then transferred in ice bath environment by mixed solution and stirs 2h under zero degree condition, obtain suspension liquid II; Step 1-1) described in the quality of carbon nanotube and 1-2) described in potassium permanganate mass ratio be 1: 10.
1-3) suction filtration in described suspension liquid II is isolated solid residue, with the solid residue of distilled water wash gained, till pH value=7 of filtrate;
2) supercritical dispersion of graphene nanobelt liquid:
2-1) according to the volume ratio of dehydrated alcohol and water be 5: 1 proportioning mixing solutions
2-2) by step 1) solid matter of gained joins in the mixing solutions of dehydrated alcohol and water, under room temperature under oscillation frequency is 1M Hz condition sonic oscillation 0.5h, make it be uniformly dispersed, obtain suspension liquid III;
2-3) suspension liquid III is placed in the high pressure vessel being filled with ethanol, suspension liquid III is until the pressure in high pressure vessel is 6.4Mpa in heating, temperature is 516 DEG C and keeps supercritical reaction 8 hours, and then naturally cooling, namely obtains the graphene nanobelt liquid of high dispersing.
Embodiment 4:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 13.5 hours, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 600; Described carbon nanotube is selected from the mixture of Single Walled Carbon Nanotube and double-walled carbon nano-tube.Described vitriol oil concentration is 85%.
1-2) in suspension liquid I, add potassium permanganate, mix and blend 6 hours under room temperature, is then heated to 80 DEG C of Keep agitation 7 hours by mixed solution, is then transferred in ice bath environment by mixed solution and stirs 80min under zero degree condition, obtain suspension liquid II; Step 1-1) described in the quality of carbon nanotube and 1-2) described in potassium permanganate mass ratio be 1: 7;
1-3) suction filtration in described suspension liquid II is isolated solid residue, with the solid residue of distilled water wash gained, till pH value=7 of filtrate;
2) supercritical dispersion of graphene nanobelt liquid:
2-1) according to the volume ratio of dehydrated alcohol and water be 1: 1 proportioning mixing solutions;
2-2) by step 1) solid matter of gained joins in the mixing solutions of dehydrated alcohol and water, under room temperature under oscillation frequency is 1M Hz condition sonic oscillation 0.5h, obtain suspension liquid III;
2-3) suspension liquid III is placed in the high pressure vessel being filled with nitrogen, suspension liquid III is until the pressure in high pressure vessel is 30Mpa in heating, temperature is 800 DEG C and keeps supercritical reaction 7 hours, and then naturally cooling, namely obtains the graphene nanobelt liquid of high dispersing.
Claims (5)
1. a preparation method for the stannic oxide/graphene nano band liquid of high dispersing, is characterized in that, comprise the following steps:
1) cutting of carbon nanotube:
1-1) join in the vitriol oil by carbon nanotube, stirring at room temperature 4 ~ 24 hours, obtains suspension liquid I, the quality (g) of described carbon nanotube: described sulfuric acid volume (ml) is 1: 50 ~ 1000;
1-2) in suspension liquid I, add potassium permanganate, mix and blend 1-10 hour under room temperature, then mixed solution is heated to 60-90 DEG C of Keep agitation 1-10 hour, then mixed solution is transferred in ice bath environment and stirs 10min-2h under zero degree condition, obtain suspension liquid II; Step 1-1) described in the quality of carbon nanotube and 1-2) described in potassium permanganate mass ratio be 1: 1 ~ 10;
1-3) isolate solid residue by described suspension liquid II, with the solid residue of distilled water wash gained, till pH value=7 of filtrate;
2) supercritical dispersion of graphene nanobelt liquid:
2-1) configure the mixing solutions of dehydrated alcohol and water; The ratio of dehydrated alcohol and water is 0 ~ 10: 1
2-2) by step 1) solid matter of gained joins in the mixing solutions of dehydrated alcohol and water, and under room temperature, sonic oscillation 0.5-2h makes it be uniformly dispersed, and obtains suspension liquid III, and wherein, the ratio of dehydrated alcohol and water is 0 ~ 10: 1;
2-3) suspension liquid III is placed in the high pressure vessel being filled with supercutical fluid, heating suspension liquid III until the pressure in high pressure vessel be 24-30Mpa, temperature is 300-650 DEG C, keep supercritical reaction 1 ~ 8 hour, then naturally cooling, namely obtains the graphene nanobelt liquid of high dispersing.
2. the preparation method of the stannic oxide/graphene nano band liquid of a kind of high dispersing according to claim 1, is characterized in that: step 1-1) in, described carbon nanotube is selected from Single Walled Carbon Nanotube, double-walled carbon nano-tube or multi-walled carbon nano-tubes.
3. the preparation method of the stannic oxide/graphene nano band liquid of a kind of high dispersing according to claim 1, is characterized in that: step 1-1) described vitriol oil concentration is 70wt% ~ 98wt%.
4. the preparation method of the stannic oxide/graphene nano band liquid of a kind of high dispersing according to claim 1, is characterized in that oscillation frequency is 100Hz-1MHz.
5. the preparation method of the stannic oxide/graphene nano band liquid of a kind of high dispersing according to claim 1, it is characterized in that: step 2-3) in, the pressure of supercutical fluid is 6-30MPa, and temperature is 300-650 DEG C, and supercutical fluid is carbonic acid gas or water vapour or ethanol or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192068.9A CN104817075B (en) | 2015-04-17 | 2015-04-17 | Preparation method of highly dispersed graphene oxide nanobelt solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192068.9A CN104817075B (en) | 2015-04-17 | 2015-04-17 | Preparation method of highly dispersed graphene oxide nanobelt solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104817075A true CN104817075A (en) | 2015-08-05 |
| CN104817075B CN104817075B (en) | 2021-04-13 |
Family
ID=53727587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192068.9A Active CN104817075B (en) | 2015-04-17 | 2015-04-17 | Preparation method of highly dispersed graphene oxide nanobelt solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104817075B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185878A (en) * | 2016-06-06 | 2016-12-07 | 重庆大学 | A kind of graphene nanobelt preparation method |
| CN107366003A (en) * | 2016-05-12 | 2017-11-21 | 成都中医药大学 | A kind of polymolecularity shuttle-type graphene oxide and preparation method thereof |
| CN108570229A (en) * | 2018-05-09 | 2018-09-25 | 东华大学 | A kind of graphene nanobelt-polyaniline nano belt composite and preparation method thereof |
| CN108622890A (en) * | 2018-04-04 | 2018-10-09 | 北京石墨烯技术研究院有限公司 | A kind of method of graphene oxide separation |
| CN110975854A (en) * | 2019-12-19 | 2020-04-10 | 万华化学集团股份有限公司 | Catalyst for treating sulfur-containing waste alkali and preparation method and application thereof |
| CN111943274A (en) * | 2020-08-20 | 2020-11-17 | 清华大学 | Preparation method of green electromagnetic shielding building material |
| CN113003565A (en) * | 2021-03-31 | 2021-06-22 | 三棵树(上海)新材料研究有限公司 | Preparation method of easily-dispersible micron-sized multi-walled carbon nanotube |
| CN113148989A (en) * | 2021-04-16 | 2021-07-23 | 山东大学 | Semiconductor graphene nanoribbon and preparation method and application thereof |
| CN113690449A (en) * | 2021-08-17 | 2021-11-23 | 中国人民解放军军事科学院军事医学研究院 | High-performance membrane-free lactic acid biofuel cell based on enzyme and medium dual-fixation bioelectrode |
| CN113964302A (en) * | 2021-09-22 | 2022-01-21 | 西安交通大学 | Carbon nanotube/birnessite/graphene composite positive electrode material with hierarchical structure, preparation method and application |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115078A (en) * | 2011-01-19 | 2011-07-06 | 上海交通大学 | Method for preparing graphene by using supercritical fluid |
| CN102602918A (en) * | 2012-03-22 | 2012-07-25 | 天津大学 | Graphene band prepared with acid oxidized flat carbon nano-tube and method for preparing graphene band |
| CN103708450A (en) * | 2014-01-09 | 2014-04-09 | 重庆大学 | Method for preparing graphene nanobelt paper |
| US20140178289A1 (en) * | 2012-12-21 | 2014-06-26 | Lawrence Livermore National Security, Llc | High-density 3d graphene-based monolith and related materials, methods, and devices |
| CN103896253A (en) * | 2012-12-26 | 2014-07-02 | 海洋王照明科技股份有限公司 | Preparation method of graphene |
| CN104130538A (en) * | 2014-07-14 | 2014-11-05 | 郑州大学 | Method for preparing graphene solution based on supercritical carbon dioxide induction solution phase transformation technology |
-
2015
- 2015-04-17 CN CN201510192068.9A patent/CN104817075B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115078A (en) * | 2011-01-19 | 2011-07-06 | 上海交通大学 | Method for preparing graphene by using supercritical fluid |
| CN102602918A (en) * | 2012-03-22 | 2012-07-25 | 天津大学 | Graphene band prepared with acid oxidized flat carbon nano-tube and method for preparing graphene band |
| US20140178289A1 (en) * | 2012-12-21 | 2014-06-26 | Lawrence Livermore National Security, Llc | High-density 3d graphene-based monolith and related materials, methods, and devices |
| CN103896253A (en) * | 2012-12-26 | 2014-07-02 | 海洋王照明科技股份有限公司 | Preparation method of graphene |
| CN103708450A (en) * | 2014-01-09 | 2014-04-09 | 重庆大学 | Method for preparing graphene nanobelt paper |
| CN104130538A (en) * | 2014-07-14 | 2014-11-05 | 郑州大学 | Method for preparing graphene solution based on supercritical carbon dioxide induction solution phase transformation technology |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366003A (en) * | 2016-05-12 | 2017-11-21 | 成都中医药大学 | A kind of polymolecularity shuttle-type graphene oxide and preparation method thereof |
| CN107366003B (en) * | 2016-05-12 | 2019-06-11 | 成都中医药大学 | A kind of polymolecularity shuttle-type graphene oxide and preparation method thereof |
| CN106185878A (en) * | 2016-06-06 | 2016-12-07 | 重庆大学 | A kind of graphene nanobelt preparation method |
| CN108622890A (en) * | 2018-04-04 | 2018-10-09 | 北京石墨烯技术研究院有限公司 | A kind of method of graphene oxide separation |
| CN108570229A (en) * | 2018-05-09 | 2018-09-25 | 东华大学 | A kind of graphene nanobelt-polyaniline nano belt composite and preparation method thereof |
| CN110975854B (en) * | 2019-12-19 | 2022-08-05 | 万华化学集团股份有限公司 | Catalyst for treating sulfur-containing waste alkali and preparation method and application thereof |
| CN110975854A (en) * | 2019-12-19 | 2020-04-10 | 万华化学集团股份有限公司 | Catalyst for treating sulfur-containing waste alkali and preparation method and application thereof |
| CN111943274A (en) * | 2020-08-20 | 2020-11-17 | 清华大学 | Preparation method of green electromagnetic shielding building material |
| CN113003565A (en) * | 2021-03-31 | 2021-06-22 | 三棵树(上海)新材料研究有限公司 | Preparation method of easily-dispersible micron-sized multi-walled carbon nanotube |
| CN113148989A (en) * | 2021-04-16 | 2021-07-23 | 山东大学 | Semiconductor graphene nanoribbon and preparation method and application thereof |
| CN113148989B (en) * | 2021-04-16 | 2022-05-17 | 山东大学 | Semiconductor graphene nanoribbon and preparation method and application thereof |
| CN113690449A (en) * | 2021-08-17 | 2021-11-23 | 中国人民解放军军事科学院军事医学研究院 | High-performance membrane-free lactic acid biofuel cell based on enzyme and medium dual-fixation bioelectrode |
| CN113964302A (en) * | 2021-09-22 | 2022-01-21 | 西安交通大学 | Carbon nanotube/birnessite/graphene composite positive electrode material with hierarchical structure, preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104817075B (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104817075A (en) | Preparation method of highly-dispersed graphene oxide nanobelt liquid | |
| CN102807213B (en) | Electrochemistry prepares the method for Graphene | |
| CN102757036B (en) | Preparation method of porous graphene | |
| CN106882796B (en) | Preparation method of three-dimensional graphene structure/high-quality graphene | |
| CN104269514B (en) | Possesses the preparation method of the transistion metal compound-graphene composite material of three-dimensional porous structure | |
| CN102698774B (en) | Hydrothermal preparation method for single-layer MoS2 and graphene composite nano material | |
| CN102694171A (en) | Hydrothermal preparation method for composite material of single-layer WS2 and graphene | |
| CN106229503B (en) | A kind of preparation method of nickel oxide/graphene nanocomposite material, negative electrode of lithium ion battery, lithium ion battery | |
| CN104609404A (en) | Method for preparing graphene and composite material through sunlight reduction or laser reduction | |
| CN102760866A (en) | Preparation method of nitrogen-doped graphene | |
| CN105217622A (en) | A kind of preparation method of controlled three-dimensional grapheme microballoon | |
| CN104445169A (en) | Method for preparing grapheme by means of aqueous phase cutting and stripping | |
| CN108831757B (en) | A kind of preparation method of N and S codope graphene/carbon nano-tube aeroge | |
| CN102320598A (en) | Preparation method of graphene | |
| CN104843690B (en) | Method for preparing graphene by means of steam explosion method | |
| CN104091931B (en) | Multi-edge MoS2 nano piece/graphene composite nanomaterial and preparation method thereof | |
| CN105347330A (en) | Preparation method of high specific surface area graphene | |
| CN109003826A (en) | N and S codope graphene-graphene nanobelt aeroge preparation method | |
| CN102786045A (en) | Method for preparing oxidized graphene | |
| CN106492843A (en) | A kind of ultra-dispersed MoS2The preparation method of/rGO nano hybridization water electrolysis hydrogen production catalyst | |
| CN104103829A (en) | MoS2 perforated nanosheet/graphene composite nanomaterial and preparation method | |
| CN105789628B (en) | A kind of azepine graphene and manganese dioxide hybrid aerogel and its preparation method and application | |
| CN103832997A (en) | Graphene/carbon black composite material, preparation method and application thereof | |
| CN109809396A (en) | A kind of redox graphene aeroge and its vapor hydrothermal reduction preparation method | |
| CN106976854A (en) | A kind of method for preparing carbon material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211104 Address after: 4011121 802, block D, Qilin, No. 55-2, middle section of Huangshan Avenue, Dazhulin street, Liangjiang New Area, Yubei District, Chongqing Patentee after: Chongqing Zhizhe Information Technology Co.,Ltd. Address before: 400044 School of materials, Chongqing University, 174 shazheng street, Shapingba District, Chongqing Patentee before: Chongqing University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 401329 Building 1, No. 21, Fengsheng Road, Jinfeng Town, high tech Zone, Jiulongpo District, Chongqing Patentee after: Chongqing jintianyi New Energy Technology Co.,Ltd. Address before: 4011121 802, block D, Qilin, No. 55-2, middle section of Huangshan Avenue, Dazhulin street, Liangjiang New Area, Yubei District, Chongqing Patentee before: Chongqing Zhizhe Information Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220221 Address after: 401329 Building 1, No. 21, Fengsheng Road, Jinfeng Town, high tech Zone, Jiulongpo District, Chongqing Patentee after: Chongqing jintianyi New Energy Technology Co.,Ltd. Patentee after: HUIZHOU JINLONGYU CABLE INDUSTRIAL DEVELOPMENT CO.,LTD. Address before: 401329 Building 1, No. 21, Fengsheng Road, Jinfeng Town, high tech Zone, Jiulongpo District, Chongqing Patentee before: Chongqing jintianyi New Energy Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: 401329 Building 1, No. 21, Fengsheng Road, Jinfeng Town, high tech Zone, Jiulongpo District, Chongqing Patentee after: Chongqing jintianyi New Energy Technology Co.,Ltd. Guo jiahuodiqu after: Zhong Guo Address before: 401329 Building 1, No. 21, Fengsheng Road, Jinfeng Town, high tech Zone, Jiulongpo District, Chongqing Patentee before: Chongqing jintianyi New Energy Technology Co.,Ltd. Guo jiahuodiqu before: Zhong Guo Patentee before: HUIZHOU JINLONGYU CABLE INDUSTRIAL DEVELOPMENT CO.,LTD. |