CN208648760U - One kind is based on the mutually interspersed film of carbon pipe-graphene - Google Patents
One kind is based on the mutually interspersed film of carbon pipe-graphene Download PDFInfo
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- CN208648760U CN208648760U CN201721903886.6U CN201721903886U CN208648760U CN 208648760 U CN208648760 U CN 208648760U CN 201721903886 U CN201721903886 U CN 201721903886U CN 208648760 U CN208648760 U CN 208648760U
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Abstract
The utility model relates to one kind based on the mutually interspersed film of carbon pipe-graphene, including carbon nanotube and graphene sheet layer, and the carbon nanotube and graphene sheet layer alternate interspersed, and the diameter of the carbon nanotube is 5-20nm.Film thickness is adjustable, thickness<20 μm, tensile strength>100Mpa, breaking strength>100Mpa, conductivity>104S/m, have storage ion ability, film be flexibility, can self-supporting, can fold in any way.
Description
Technical field
The utility model belongs to graphene film field, is related to a kind of based on the mutually interspersed film of carbon pipe-graphene.
Background technique
Ultra-thin, ultralight, high conductivity constant toughness film has a wide range of applications in the energy field of various electrochemistry
Market, for this purpose, researcher develops film largely based on nonmetallic materials.The film of Carbon materials is rich because of its composition form
It is rich it is colorful, property is stable, abundance and cheap feature, be suitable for large batch of industrial use, therefore in various fields
It receives significant attention.In addition, carbon-base film often has high conductivity, the collector as all kinds of electrochemical fields is advantageous
In the overall performance for improving electrochemical device.However, in practical applications, due to the complex manufacturing technology of carbon-base film, cost
It is higher, compared with sheet metal the poor feature of comprehensive performance, make it difficult to meet reality in higher application requirement.One-dimensional carbon
Nanotube and two-dimensional graphene not only have high conductivity and a specific surface area, and due to its design feature can be prepared into it is ultra-thin,
Ultralight, toughness material, therefore the film being prepared into has biggish application prospect.
Document [Energy Environ.Sci., 2014,7,3709-3719] has reported the thin of graphene-carbon nano tube
Film, this article is by removing metallic substrates acquisition self-supporting as frame vapor deposition growth graphene, then with acid in foam metal
Graphene film, nickel cobalt metallic catalyst, then the carbon nanotube of growing up that is vapor-deposited, last graphite are then deposited on graphene film
Alkene-carbon pipe film, since carbon nanotube is directly grown on the surface of graphene, graphene-carbon pipe composite membrane conductivity reaches
178S/m, higher than the film 101S/m of graphene.But this graphene-carbon pipe composite membrane, synthesis step is various, cost compared with
It is high；In addition, the compression strength of this grapheme foam structure with vapor deposition growth is lower, it is not suitable for as high intensity
Membrane material, and increase contact resistance.Preparation process is complicated, increased costs, does not have practical value.
Document [ACS Nano, 2015,9,2,2018] has reported the film of graphene-carbon nano tube, which passes through molten
Li quid mixing method passes through the electrostatic of positive and negative charge using cetyl trimethylammonium bromide as surfactant-dispersed carbon nanotube
Effect is filtered into film, and potassium hydroxide calcining etching and reduction are then added at high temperature, and last acid removes metal oxide magazine
The film for preparing graphene-carbon nano tube, in view of surfactant-dispersed carbon nanotube to the peptizaiton of graphene, it is high
Temperature calcining and potassium hydroxide reduction, so that film most has high conductivity.But it joined surface in dispersion process
Activating agent, the method higher cost calcined under high temperature inert gas, and the method being filtered by vacuum prepare thin-film process time-consuming, and
And the limited size of film is in the size of filter.Preparation process is complicated, increased costs, does not have practical value.
In conclusion a kind of exploitation for the preparation method for mutually interting ultra-thin, ultralight film based on carbon pipe-graphene is still
The research emphasis of those skilled in the art.
Summary of the invention
In view of this, the purpose of this utility model is to provide one kind based on the mutually interspersed film of carbon pipe-graphene.
In order to achieve the above objectives, the utility model provides the following technical solutions:
One kind mutually interting film, including carbon pipe 1 and graphene sheet layer 2, the carbon pipe 1 and stone based on carbon pipe-graphene
Black alkene lamella 2 alternates interspersed, and the diameter of the carbon nanotube 1 is 5-20nm.
Further, the carbon nanotube is single-walled carbon nanotube or multi-walled carbon nanotube.
Further, film thickness<20 μm, tensile strength>100Mpa, breaking strength>100Mpa, conductivity>104S/m。
The utility model has the beneficial effects that: film is the mutually interspersed structure of carbon pipe and graphene, have ultra-thin
Feature (< 20 μm), thickness are adjustable；Thin film flexible, self-supporting can fold in any way, and there is very strong toughness (to draw
Stretch intensity > 100 MPa, breaking strength > 100MPa), very high conductivity (> 104S/m), there is the ability of certain storage ion,
Furthermore the preparation method of this film is simple, low temperature, is not necessarily to additional dispersing agent.Furthermore the preparation method of this film is simple, low temperature, nothing
Additional dispersing agent is needed to substantially reduce process compared to the prior art and reduce cost.
Detailed description of the invention
In order to keep purpose, the technical scheme and beneficial effects of utility model clearer, the utility model provides following attached
Figure is illustrated:
Fig. 1 is the schematic diagram of the mutually interspersed film of carbon pipe-graphene；
Fig. 2 is the scanning electron microscope (SEM) photograph of the mutually interspersed film (carbon pipe ratio is high) of carbon pipe-graphene of embodiment 3；
Fig. 3 is the scanning electron microscope (SEM) photograph of carbon pipe-graphene mutually interspersed film (carbon pipe ratio is low) of embodiment 1；
Fig. 4 is carbon pipe-graphene tensile strength, breaking strength figure.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
A kind of structure based on the mutually interspersed film of carbon pipe-graphene of Examples 1 to 3 is as shown in Figure 1, include carbon pipe 1
With graphene sheet layer 2, the carbon pipe 1 and graphene sheet layer 2 alternate interspersed, and the diameter of the carbon nanotube 1 is 5-20nm.
The utility model is made with the following method based on the mutually interspersed film of carbon pipe-graphene:
1) acetone, ethyl alcohol and water washing is successively used to remove surface grease any smooth template；
2) graphene oxide, carbon nanotube are dissolved in tertiary effluent and mixed liquor, ultrasonic agitation is made, mechanical stripping is glued
The uniform dispersion of thick graphene oxide and carbon nanotube；The quality of the carbon nanotube accounts for graphene oxide and carbon nanotube
The 0~20% of gross mass, value are not 0；
3) that graphene oxide obtained is placed in step 1) the smooth template with the uniform dispersion liquid of carbon nanotube is enterprising
Row blade coating, is dried under the conditions of less than 120 DEG C, and the mutually interspersed film of carbon pipe-graphene is made；
4) the mutually interspersed film of step 3) carbon pipe-graphene obtained is impregnated in HI solution, water washing is dipped to
Neutrality, drying are obtained based on the mutually interspersed film of carbon pipe-graphene.
Step 1) the template is polyfluortetraethylene plate or glass plate.
Step 2) the carbon nanotube is single-walled carbon nanotube or multi-walled carbon nanotube.
The mass ratio of the step 2) tertiary effluent and graphene oxide is 150:1~300:1.
Step 2) the ultrasonic agitation time is 1h, and the mechanical stripping time is 30min.
Step 2) the dispersion viscosity is 500~1000mPas.
Embodiment 1
The utility model is made with the following method based on the mutually interspersed film of carbon pipe-graphene:
Take graphene oxide: multi-walled carbon nanotube mass ratio is that 100:1 is added in beaker, and 500mL tri- is added into beaker
Grade water, water: the mass ratio of graphite oxide is 300:1,1h is stirred by ultrasonic, then mechanical stripping 30min again, obtains GO/MWCNTs
Dispersion liquid；Above-mentioned GO/MWCNTs dispersion liquid is placed on glass plate and is scratched, is placed in air dry oven and dries under the conditions of 60 DEG C
It is dry, obtain GO/MWCNTs film；GO/MWCNTs film is immersed in HI solution, three-level water washing is dipped to neutrality, and 60 DEG C
Under the conditions of forced air drying, obtain rGO/MWCNTs film.As shown in figure 3, the mutually interspersed film of obtained carbon pipe-graphene, from
As can be seen that carbon pipe and the mutually interspersed structure of graphene in Fig. 3, intert size in 5-20nm, since carbon pipe ratio is low, so
The stacking that cannot avoid graphene completely, cannot form good layer assembly, cause mechanical performance slightly insufficient.
Embodiment 2
The utility model is made with the following method based on the mutually interspersed film of carbon pipe-graphene:
Take graphene oxide: multi-walled carbon nanotube mass ratio is that 10:1 is added in beaker, and 500mL three-level is added into beaker
Water, water: the mass ratio of graphene oxide is 150:1,1h is stirred by ultrasonic, then mechanical stripping 30min again, obtains GO/MWCNTs
Dispersion liquid；Above-mentioned GO/MWCNTs dispersion liquid is placed on glass plate and is scratched, is placed in air dry oven and dries under the conditions of 60 DEG C
It is dry, obtain GO/MWCNTs film；GO/MWCNTs film is immersed in HI solution, three-level water washing is dipped to neutrality, and 60 DEG C
Under the conditions of forced air drying, obtain rGO/MWCNTs film.
Embodiment 3
The utility model is made with the following method based on the mutually interspersed film of carbon pipe-graphene:
Take graphene oxide: multi-walled carbon nanotube mass ratio is that 5:1 is added in beaker, and 500mL three-level is added into beaker
Water, water: the mass ratio of graphene oxide is 100:1,1h is stirred by ultrasonic, then mechanical stripping 30min again, obtains GO/MWCNTs
Dispersion liquid；Above-mentioned GO/MWCNTs dispersion liquid is placed on glass plate and is scratched, is placed in air dry oven and dries under the conditions of 60 DEG C
It is dry, obtain GO/MWCNTs film；GO/MWCNTs film is immersed in HI solution, three-level water washing is dipped to neutrality, and 60 DEG C
Under the conditions of forced air drying, obtain rGO/MWCNTs film.As shown in Fig. 2, the mutually interspersed film of obtained carbon pipe-graphene, from
As can be seen that carbon pipe and the mutually interspersed structure of graphene in Fig. 2, intert size in 5-20nm, since carbon pipe ratio is high, so
The stacking of graphene is avoided, good layer assembly can be formed, enhance mechanical performance.
The mutually interspersed film surface of carbon pipe-graphene shows the gloss of metal, and electric conductivity is fine, and film is fine and close and flat
It is whole.
Fig. 4 is the tensile strength for the mutually interspersed film of carbon pipe-graphene that embodiment 1-3 is obtained, breaking strength figure.Graphite
Alkene-carbon nanotube 1 is the film that embodiment 1 obtains, tensile strength 83.6MPa, breaking strength 83.6MPa, graphene-
Carbon nanotube 2 is the film that embodiment 2 obtains, tensile strength 91.83MPa, breaking strength 91.83MPa, graphene-carbon
Nanotube 3 is the film that embodiment 3 obtains, and tensile strength 101.08MPa, breaking strength 101.14MPa can from Fig. 4
To find out, the ratio of carbon nanotube is bigger (in < 20% range), and tensile strength, the breaking strength of obtained film are bigger, performance
Better.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (3)
1. one kind is based on the mutually interspersed film of carbon pipe-graphene, it is characterised in that: including carbon nanotube (1) and graphene sheet layer
(2), the carbon nanotube (1) and graphene sheet layer (2) alternate interspersed, and the diameter of the carbon nanotube (1) is 5-20nm.
2. according to claim 1 a kind of based on the mutually interspersed film of carbon pipe-graphene, it is characterised in that: the carbon is received
Mitron is single-walled carbon nanotube or multi-walled carbon nanotube.
3. according to claim 1 or 2 a kind of based on the mutually interspersed film of carbon pipe-graphene, it is characterised in that: film is thick
<20 μm of degree, tensile strength>100Mpa, breaking strength>100Mpa, conductivity>104S/m。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721903886.6U CN208648760U (en) | 2017-12-29 | 2017-12-29 | One kind is based on the mutually interspersed film of carbon pipe-graphene |
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| CN201721903886.6U CN208648760U (en) | 2017-12-29 | 2017-12-29 | One kind is based on the mutually interspersed film of carbon pipe-graphene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916756A (en) * | 2020-07-31 | 2020-11-10 | 南昌大学 | Flexible film and preparation method and application thereof |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916756A (en) * | 2020-07-31 | 2020-11-10 | 南昌大学 | Flexible film and preparation method and application thereof |
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