CN103922309A - Method for preparing carbon nanotube - Google Patents
Method for preparing carbon nanotube Download PDFInfo
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- CN103922309A CN103922309A CN201410140424.8A CN201410140424A CN103922309A CN 103922309 A CN103922309 A CN 103922309A CN 201410140424 A CN201410140424 A CN 201410140424A CN 103922309 A CN103922309 A CN 103922309A
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Abstract
The invention discloses a method for preparing a carbon nanotube. The method is characterized by comprising the following preparation methods: a catalytic pyrolysis method, a chemical vapor deposition method, a template method, a hydrothermal method and a condensed phase electrolytic generation method. The carbon nanotube is prepared by adopting a plurality of preparation methods, and the preparation method has the advantages of being simple and flexible.
Description
Technical field
The present invention relates to a kind of carbon nanotube, relate in particular to a kind of preparation method of carbon nanotube.
Background technology
Within 1991, Japanese Electronic Speculum expert observes in the C60 process of being prepared by arc process.Discovery contains some spicules in negative electrode carbon black, by diameter, is 4-30nm, is about 1um, 2 to 50 concentric tubes, consists of.The material of this spicule is carbon nanotube.CNT (carbon nano-tube) is as quasi-one-dimensional nanometer material, and density is little, and hexagonal structure connects perfect, has the performances such as mechanics, electromagnetism and optics of many excellences.In recent years, the advancing by leaps and bounds of nanotechnology, CNT (carbon nano-tube) has accurate one dimension tubulose microtexture and unique character. therefore widespread use in multiple fields.And the technology of preparing of carbon nanotube has also obtained continuous development.
The preparation of carbon nanotube is the prerequisite that it is conducted a research and is applied.Can obtain q.s, uniform diameter, there is higher degree and the few carbon nanotube of textural defect.It is the basis of its performance study and applied research; And in enormous quantities, cheap synthesis technique is also the assurance that carbon nanotube can be realized industrial application.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of preparation method of having, and preparation method is the preparation method of the carbon nanotube of advantage flexibly.
For solving the problems of the technologies described above, the invention provides a kind of preparation method of carbon nanotube, it is characterized in that comprising following several preparation method: catalystic pyrolysis, chemical Vapor deposition process, template, hydrothermal method, condensed phase electrolysis method of formation.
Further, described catalystic pyrolysis is under the effect of the temperature of 600-1000 ℃ and catalyzer, makes carbonaceous gas raw material (as carbon monoxide, methane, ethene, the third rare and benzene etc.) decompose and prepare carbon nanotube.
Further, described chemical Vapor deposition process is to use 25% iron, and graphite granule is as catalyzer, 9% acetylene during lower 700 ℃ of normal pressure, and nitrogen makes carbon nanotube.
Further, described template is to be that nano level arrives micron-sized porous material as template with aperture.The technology such as combined with electrochemical, the precipitator method, sol-gel method and vapor deposition method make material atom or ion precipitation on the hole wall of template, form required nanostructure.
Further, to take nickelous nitrate and positive silicic acid second be extremely raw material to described hydrothermal method.By hydrothermal crystallization method and atmosphere pressure desiccation all can synthesis nano nickel oxide, silicon dioxide composite powder catalyzer, with these two kinds of catalyzer, all can make carbon nanotube.
Further; described condensed phase electrolysis method of formation adopts Graphite Electrodes (electrolyzer is anode); in the protective atmospheres such as the temperature of approximately 600 ℃ and air or hydrogen, with the electrolyzing fused halogenation alkali salt of certain voltage and current, electrolysis has generated various informative carbon nanomaterial.
Compared with prior art, beneficial effect of the present invention is:
The present invention adopts multiple preparation method to make carbon nanotube, has preparation method simple, and preparation method is advantage flexibly.
Embodiment
Embodiment 1:
A kind of preparation method of carbon nanotube, employing catalystic pyrolysis is prepared from, described catalystic pyrolysis is under the effect of the temperature of 600-1000 ℃ and catalyzer, makes carbonaceous gas raw material (as carbon monoxide, methane, ethene, the third rare and benzene etc.) decompose and prepare carbon nanotube.
Embodiment 2:
A preparation method for carbon nanotube, adopts chemical Vapor deposition process to be prepared from, and described chemical Vapor deposition process is to use 25% iron, and graphite granule is as catalyzer, 9% acetylene during lower 700 ℃ of normal pressure, and nitrogen makes carbon nanotube.
Embodiment 3:
A preparation method for carbon nanotube, adopts template synthesis to form, and described template is to be that nano level arrives micron-sized porous material as template with aperture.The technology such as combined with electrochemical, the precipitator method, sol-gel method and vapor deposition method make material atom or ion precipitation on the hole wall of template, form required nanostructure.
Embodiment 4:
A preparation method for carbon nanotube, adopts hydrothermal method to be prepared from, and it is extremely raw material that described hydrothermal method be take nickelous nitrate and positive silicic acid second.By hydrothermal crystallization method and atmosphere pressure desiccation all can synthesis nano nickel oxide, silicon dioxide composite powder catalyzer, with these two kinds of catalyzer, all can make carbon nanotube.
Embodiment 5:
A kind of preparation method of carbon nanotube; adopt condensed phase electrolysis method of formation to be prepared from; described condensed phase electrolysis method of formation adopts Graphite Electrodes (electrolyzer is anode); in the protective atmospheres such as the temperature of approximately 600 ℃ and air or hydrogen; with the electrolyzing fused halogenation alkali salt of certain voltage and current, electrolysis has generated various informative carbon nanomaterial
In sum, the present invention adopts multiple preparation method to make carbon nanotube, has preparation method simple, and preparation method is advantage flexibly.
The foregoing is only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; in every case the equivalence that those of ordinary skills do according to disclosed content is modified or is changed, and all should include the protection domain of recording in claims in.
Claims (6)
1. a preparation method for carbon nanotube, is characterized in that comprising following several preparation method: catalystic pyrolysis, chemical Vapor deposition process, template, hydrothermal method, condensed phase electrolysis method of formation.
2. the preparation method of a carbon nanotube, it is characterized in that: described catalystic pyrolysis is under the effect of the temperature of 600-1000 ℃ and catalyzer, make carbonaceous gas raw material (as carbon monoxide, methane, ethene, the third rare and benzene etc.) decompose and prepare carbon nanotube.
3. a preparation method for carbon nanotube, is characterized in that: described chemical Vapor deposition process is to use 25% iron, and graphite granule is as catalyzer, 9% acetylene during lower 700 ℃ of normal pressure, and nitrogen makes carbon nanotube.
4. a preparation method for carbon nanotube, is characterized in that: described template is to be that nano level arrives micron-sized porous material as template with aperture.The technology such as combined with electrochemical, the precipitator method, sol-gel method and vapor deposition method make material atom or ion precipitation on the hole wall of template, form required nanostructure.
5. a preparation method for carbon nanotube, is characterized in that: it is extremely raw material that described hydrothermal method be take nickelous nitrate and positive silicic acid second.By hydrothermal crystallization method and atmosphere pressure desiccation all can synthesis nano nickel oxide, silicon dioxide composite powder catalyzer, with these two kinds of catalyzer, all can make carbon nanotube.
6. the preparation method of a carbon nanotube; it is characterized in that: described condensed phase electrolysis method of formation adopts Graphite Electrodes (electrolyzer is anode); in the protective atmospheres such as the temperature of approximately 600 ℃ and air or hydrogen; with the electrolyzing fused halogenation alkali salt of certain voltage and current, electrolysis has generated various informative carbon nanomaterial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140424.8A CN103922309A (en) | 2014-04-09 | 2014-04-09 | Method for preparing carbon nanotube |
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| CN201410140424.8A CN103922309A (en) | 2014-04-09 | 2014-04-09 | Method for preparing carbon nanotube |
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| CN103922309A true CN103922309A (en) | 2014-07-16 |
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| CN201410140424.8A Pending CN103922309A (en) | 2014-04-09 | 2014-04-09 | Method for preparing carbon nanotube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386076A (en) * | 2015-12-07 | 2016-03-09 | 东北石油大学 | Improvement method for carbon nano tube preparation system based on high-temperature electrolysis of CO2 |
| CN107628598A (en) * | 2017-09-26 | 2018-01-26 | 湖北宇电能源科技股份有限公司 | A kind of preparation method of nitrogen-doped single-walled carbon nanotubes |
| CN110611082A (en) * | 2018-06-15 | 2019-12-24 | 天津大学 | Application of nickel silicate hydroxide/carbon nano tube flexible composite film material in lithium ion battery |
-
2014
- 2014-04-09 CN CN201410140424.8A patent/CN103922309A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386076A (en) * | 2015-12-07 | 2016-03-09 | 东北石油大学 | Improvement method for carbon nano tube preparation system based on high-temperature electrolysis of CO2 |
| CN107628598A (en) * | 2017-09-26 | 2018-01-26 | 湖北宇电能源科技股份有限公司 | A kind of preparation method of nitrogen-doped single-walled carbon nanotubes |
| CN110611082A (en) * | 2018-06-15 | 2019-12-24 | 天津大学 | Application of nickel silicate hydroxide/carbon nano tube flexible composite film material in lithium ion battery |
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