CN107331531A - A kind of preparation method of carbon nano-pipe array column capacitors - Google Patents
A kind of preparation method of carbon nano-pipe array column capacitors Download PDFInfo
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- CN107331531A CN107331531A CN201710535977.7A CN201710535977A CN107331531A CN 107331531 A CN107331531 A CN 107331531A CN 201710535977 A CN201710535977 A CN 201710535977A CN 107331531 A CN107331531 A CN 107331531A
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- carbon nano
- pipe array
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- array column
- column capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
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- 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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a kind of preparation method of carbon nano-pipe array column capacitors, the preparation method comprises the following steps：（1）The preparation of super in-line arrangement carbon nano pipe array；（2）The preparation of carbon nano-tube film；（3）The formation of carbon nano-tube thin-film structure；（4）The preparation of carbon nano-pipe array column capacitors.The carbon nano pipe array method of preparing capacitor of the present invention is simple and easy to apply, and CNT has good electric conductivity and the specific surface area of itself is big, and obtained super carbon nano-pipe array column capacitors have higher specific capacitance and electrical conductivity；Carbon nano-tube thin-film structure includes multiple CNTs for joining end to end and aligning, there are multiple microcellular structures between adjacent CNT, so that forming the microcellular structure of substantial amounts of uniform and regular distribution in carbon nano-tube thin-film structure, this advantageously forms electric charge path with good conductivity.
Description
Technical field
The present invention relates to technical field of electronic components, more particularly to a kind of preparation side of carbon nano-pipe array column capacitors
Method.
Background technology
With making rapid progress for electronic information technology, the update speed of digital electronic goods is more and more faster, with flat board
Consumer electronics product volume of production and marketing sustainable growth based on the products such as TV, notebook computer, digital camera, has driven carbon nanometer
The development of pipe array capacitor industry.
Existing carbon nano-pipe array column capacitors generally comprise electrode, barrier film and electrolyte solution, and the electrode and barrier film are all
It is arranged in the electrolyte solution.The electrode includes a collector and the electrode material being arranged on the collector.Existing carbon
The preparation method of nano-tube array capacitor is typically that after electrode material is fully ground, a certain amount of binding agent is added wherein
Stir, then nickel foam, graphite flake, nickel are compressed on by drawing methods such as die pressing, cold isostatic pressing process, hot isostatic pressing methods
On the collectors such as piece, aluminium flake or copper sheet, you can the electrode of definite shape is made, electrode is then arranged on the electrolyte containing barrier film
Super carbon nano-pipe array column capacitors are can be made into solution, the preparation method is more complicated.Therefore, it is necessary to which providing one kind has
The carbon nano-pipe array column capacitors of high-capacitance and high power density.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of preparation method of carbon nano-pipe array column capacitors, utilizes carbon
The good electric conductivity of nanotube and specific surface area, method are simple and easy to apply, and obtained carbon nano-pipe array column capacitors have higher
Specific capacitance and electrical conductivity.
The present invention solves technical problem and utilizes following technical scheme：
The invention provides a kind of preparation method of carbon nano-pipe array column capacitors, comprise the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth substrate is chosen, in the catalyst layer of substrate surface even spread one, is put
Put and preheated 20~30 minutes in 650~750 DEG C of air, then the substrate of preheating is placed in reacting furnace, in nitrogen or argon
900~1000 DEG C are heated under the environmental protection of gas, be passed through carbon-source gas react 10~20 minutes, growth obtain height 100~
500 μm of carbon nano pipe array, stacking at least two obtains super in-line arrangement parallel and perpendicular to the carbon nano pipe array of substrate grown
Carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, forms the carbon nano-tube thin-film structure of self-supporting；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, is sealed after injection electrolyte
Dress obtains the carbon nano-pipe array column capacitors.
Preferably, the step（1）Smooth substrate is selected from phosphorous, nitrogen type or the silicon base containing oxide layer.
Preferably, the step（1）One or more combinations of the catalyst layer material in iron, cobalt, nickel.
Preferably, the step（1）Carbon-source gas are acetylene, ethene, methane or ethane.
Preferably, the step（1）The height of carbon nano pipe array is 150~180 μm.
Preferably, the step（3）Carbon nano-tube thin-film structure can use organic solvent infiltration processing 6~12 minutes.
Preferably, the organic solvent is methanol, ethanol, acetone, dichloromethane or acetonitrile.
Preferably, the step（4）Electrolyte is selected from sodium hydroxide solution, potassium hydroxide solution, aqueous sulfuric acid, hydrochloric acid
The aqueous solution, tetraethylammonium tetrafluoroborate, lithium perchlorate or trifluoromethyl sulfonic acid lithium.
Compared with prior art, the present invention has the advantages that：
（1）The carbon nano pipe array method of preparing capacitor of the present invention, simple and easy to apply, CNT has good electric conductivity
And the specific surface area of itself is big, obtained super carbon nano-pipe array column capacitors have higher specific capacitance and electrical conductivity；Carbon
Carbon nano tube growth is uniform in nano-tube array, thus the CNT in carbon nano-tube thin-film structure is uniformly dispersed, and prepares
Method is simple, it is easy to practical application；Carbon nano-tube thin-film structure includes multiple CNTs for joining end to end and aligning, phase
There are multiple microcellular structures between adjacent CNT so that substantial amounts of uniform and rule point is formed in carbon nano-tube thin-film structure
The microcellular structure of cloth, this advantageously forms electric charge path with good conductivity.
（2）The carbon nano pipe array method of preparing capacitor of the present invention, carbon nano-tube thin-film structure can use organic molten
Agent infiltration is handled, in the presence of the surface tension of volatile organic solvent, parallel carbon nanotube pieces in carbon nano-tube film
Section can be easier to be gathered into carbon nano-tube bundle.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth phosphorous silicon base is chosen, in substrate surface even spread iron material
Catalyst layer, is placed in 650~750 DEG C of air and preheats 20~30 minutes, then the substrate of preheating is placed in reacting furnace,
900~1000 DEG C are heated under the environmental protection of nitrogen, ethylene reaction is passed through 10~20 minutes, growth obtain height 100~
500 μm of carbon nano pipe array, stacking at least two obtains super in-line arrangement parallel and perpendicular to the carbon nano pipe array of substrate grown
Carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, the carbon nano-tube thin-film structure of self-supporting is formed, at ethanol infiltration
Reason 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, injects aqueous sulfuric acid
Post package obtains the carbon nano-pipe array column capacitors.
Embodiment 2.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth nitrogen type silicon base is chosen, in substrate surface even spread cobalt material
Catalyst layer, is placed in 650~750 DEG C of air and preheats 20~30 minutes, then the substrate of preheating is placed in reacting furnace,
900~1000 DEG C are heated under the environmental protection of nitrogen, acetylene reaction is passed through 10~20 minutes, growth obtain height 150~
180 μm of carbon nano pipe array, stacking at least two obtains super in-line arrangement parallel and perpendicular to the carbon nano pipe array of substrate grown
Carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, the carbon nano-tube thin-film structure of self-supporting is formed, at acetone infiltration
Reason 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, injects tetrafluoro boric acid four
Ethyl ammonium post package obtains the carbon nano-pipe array column capacitors.
Embodiment 3.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：The smooth silicon base containing oxide layer is chosen, is uniformly applied in substrate surface
The catalyst layer of cloth nickel material, is placed in 650~750 DEG C of air and preheats 20~30 minutes, then put the substrate of preheating
In reacting furnace, 900~1000 DEG C are heated under the environmental protection of nitrogen, methane reaction is passed through 10~20 minutes, grows
To 150~180 μm of carbon nano pipe array of height, carbon nano pipe array of the stacking at least two parallel and perpendicular to substrate grown
Obtain super in-line arrangement carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, forms the carbon nano-tube thin-film structure of self-supporting, is soaked using dichloromethane
Profit processing 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, injection sodium hydroxide is molten
Liquid post package obtains the carbon nano-pipe array column capacitors.
Embodiment 4.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：The smooth silicon base containing oxide layer is chosen, is uniformly applied in substrate surface
The catalyst layer of cloth iron material, is placed in 650~750 DEG C of air and preheats 20~30 minutes, then put the substrate of preheating
In reacting furnace, 900~1000 DEG C are heated under the environmental protection of nitrogen, acetylene reaction is passed through 10~20 minutes, grows
To 150~180 μm of carbon nano pipe array of height, carbon nano pipe array of the stacking at least two parallel and perpendicular to substrate grown
Obtain super in-line arrangement carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, the carbon nano-tube thin-film structure of self-supporting is formed, at acetonitrile infiltration
Reason 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, injection potassium hydroxide is molten
Liquid post package obtains the carbon nano-pipe array column capacitors.
Embodiment 5.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth phosphorous silicon base is chosen, in substrate surface even spread iron material
Catalyst layer, be placed in 650~750 DEG C of air preheat 20~30 minutes, the substrate of preheating is then placed in reacting furnace
In, 900~1000 DEG C are heated under the environmental protection of nitrogen, acetylene reaction is passed through 10~20 minutes, growth obtains height 150
~180 μm of carbon nano pipe array, stacking at least two obtains super suitable parallel and perpendicular to the carbon nano pipe array of substrate grown
Arrange carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, the carbon nano-tube thin-film structure of self-supporting is formed, at methanol infiltration
Reason 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, after injection lithium perchlorate
Encapsulation obtains the carbon nano-pipe array column capacitors.
Embodiment 6.
A kind of preparation method of carbon nano-pipe array column capacitors, comprises the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth phosphorous silicon base is chosen, in substrate surface even spread nickel material
Catalyst layer, be placed in 650~750 DEG C of air preheat 20~30 minutes, the substrate of preheating is then placed in reacting furnace
In, 900~1000 DEG C are heated under the environmental protection of nitrogen, acetylene reaction is passed through 10~20 minutes, growth obtains height 150
~180 μm of carbon nano pipe array, stacking at least two obtains super suitable parallel and perpendicular to the carbon nano pipe array of substrate grown
Arrange carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, the carbon nano-tube thin-film structure of self-supporting is formed, at ethanol infiltration
Reason 6~12 minutes；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, injects aqueous hydrochloric acid solution
Post package obtains the carbon nano-pipe array column capacitors.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, also should be regarded as the present invention
Protection domain.
Claims (8)
1. a kind of preparation method of carbon nano-pipe array column capacitors, it is characterised in that comprise the following steps：
（1）The preparation of super in-line arrangement carbon nano pipe array：Smooth substrate is chosen, in the catalyst layer of substrate surface even spread one, is put
Put and preheated 20~30 minutes in 650~750 DEG C of air, then the substrate of preheating is placed in reacting furnace, in nitrogen or argon
900~1000 DEG C are heated under the environmental protection of gas, be passed through carbon-source gas react 10~20 minutes, growth obtain height 100~
500 μm of carbon nano pipe array, stacking at least two obtains super in-line arrangement parallel and perpendicular to the carbon nano pipe array of substrate grown
Carbon nano pipe array；
（2）The preparation of carbon nano-tube film：In step（1）Width 150~180 is chosen in the super in-line arrangement carbon nano pipe array prepared
μm carbon nano-tube bundle fragment, along a direction substantially perpendicular the carbon nano pipe array direction of growth stretched, obtain continuous carbon nanometer
Pipe film；
（3）The formation of carbon nano-tube thin-film structure：Two panels identical copper sheet is chosen as the first basic unit and the second basic unit, will at least
One layer of carbon nano-tube film is laid on the surface of substrate, forms the carbon nano-tube thin-film structure of self-supporting；
（4）The preparation of carbon nano-pipe array column capacitors：Anti-static non-woven fabric is chosen as membrane layer, is distinguished in the both sides of membrane layer
The first basic unit and the second basic unit for being equipped with carbon nano-tube thin-film structure are placed, is put into together in shell, is sealed after injection electrolyte
Dress obtains the carbon nano-pipe array column capacitors.
2. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（1）
Smooth substrate is selected from phosphorous, nitrogen type or the silicon base containing oxide layer.
3. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（1）
One or more combinations of the catalyst layer material in iron, cobalt, nickel.
4. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（1）
Carbon-source gas are acetylene, ethene, methane or ethane.
5. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（1）
The height of carbon nano pipe array is 150~180 μm.
6. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（3）
Carbon nano-tube thin-film structure can use organic solvent infiltration processing 6~12 minutes.
7. the preparation method of carbon nano-pipe array column capacitors according to claim 6, it is characterised in that the organic solvent
For methanol, ethanol, acetone, dichloromethane or acetonitrile.
8. the preparation method of carbon nano-pipe array column capacitors according to claim 1, it is characterised in that the step（4）
Electrolyte is selected from sodium hydroxide solution, potassium hydroxide solution, aqueous sulfuric acid, aqueous hydrochloric acid solution, tetraethylammonium tetrafluoroborate, height
Lithium chlorate or trifluoromethyl sulfonic acid lithium.
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| CN201710535977.7A CN107331531A (en) | 2017-07-04 | 2017-07-04 | A kind of preparation method of carbon nano-pipe array column capacitors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485030A (en) * | 2018-11-30 | 2019-03-19 | 深圳烯湾科技有限公司 | Modified carbon nano tube array, carbon nano-fiber and its preparation method and application |
| CN110071261A (en) * | 2018-01-23 | 2019-07-30 | 清华大学 | The preparation method of battery electrode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425380A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Super capacitor and preparing method therefor |
| CN101471184A (en) * | 2007-12-27 | 2009-07-01 | 清华大学 | Super capacitor |
| CN104973583A (en) * | 2014-04-14 | 2015-10-14 | 清华大学 | Transfer method of carbon nano tube array and preparation method of carbon nano tube structure |
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2017
- 2017-07-04 CN CN201710535977.7A patent/CN107331531A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425380A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Super capacitor and preparing method therefor |
| CN101471184A (en) * | 2007-12-27 | 2009-07-01 | 清华大学 | Super capacitor |
| CN104973583A (en) * | 2014-04-14 | 2015-10-14 | 清华大学 | Transfer method of carbon nano tube array and preparation method of carbon nano tube structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071261A (en) * | 2018-01-23 | 2019-07-30 | 清华大学 | The preparation method of battery electrode |
| CN109485030A (en) * | 2018-11-30 | 2019-03-19 | 深圳烯湾科技有限公司 | Modified carbon nano tube array, carbon nano-fiber and its preparation method and application |
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Application publication date: 20171107 |