CN109251337A - A kind of preparation method of polyaniline carbon pipe flexible compound thermoelectric film material - Google Patents
A kind of preparation method of polyaniline carbon pipe flexible compound thermoelectric film material Download PDFInfo
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- C08J5/18—Manufacture of films or sheets
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
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- H10N10/85—Thermoelectric active materials
- H10N10/856—Thermoelectric active materials comprising organic compositions
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
Abstract
The present invention relates to a kind of preparation methods of polyaniline carbon pipe flexible compound thermoelectric film material, which solve the preparation of existing thermoelectric material is difficult, method is complicated, structural instability, impurity residual, the undesirable technical problem of thermoelectricity capability include the following steps: that (1) weighs aniline monomer and oxidant ammonium persulfate is scattered in hydrochloric acid respectively, the hydrochloric acid solution of ammonium persulfate is gradually added drop-wise in the hydrochloric acid of aniline monomer, ice bath stirring, which polymerize, is made polyaniline；(2) it is adulterated with ammonium hydroxide, water and ethanol washing dry and polyaniline in eigenstate are made to neutrality；(3) in a solvent by polyaniline and the dispersion of carbon pipe, carbon pipe-dispersing polyaniline solution is made in ultrasound and stirring；(4) dispersion solution vacuum decompression on nanofiber screen membrane is filtered into drying, polyaniline carbon pipe flexible composite film material is made in temperature, pressure processing.It the composite can be widely applied to the preparation field of thermoelectric material.
Description
Technical field
The present invention relates to Material Field, specifically a kind of preparation of polyaniline organic-inorganic flexibility thermoelectric film material
Method.
Background technique
It is sharply increased with the development of science and technology with progress, demand of the people to the energy.It, can be again with the reduction of fossil fuel
The raw energy is most important for solving following energy crisis.In this respect, although the energy such as solar battery and fuel cell
Switch technology is highly relevant with this, but their global commerce is by its inefficient, at high cost, the limit of long-time stability difference
System.Thermoelectric device can be used in heat being directly changed into electric power.In principle, any heat source can be used in these equipment, including
Solar energy and waste heat.Therefore, thermoelectric material plays key effect in the development of energy sustainability technology.In addition, thermoelectric device
There is no any moving parts, therefore without vibration and noise.Thermoelectric material can be efficiently used as a kind of new cleaning fuel
Waste heat waste heat improves energy conversion efficiency.
Thermoelectric material is divided into inorganic thermoelectric material and Organic thermoelectric material.Traditional inorganic pyroelectric material performance is better than novel
Organic thermoelectric material, but its raw material is rare, high production cost, the toxic conditions such as easy to pollute limit the development in its future.And
And with the development of electronic age, wearable electronic is increasingly concerned.Flexible thermoelectric device needs a kind of special defects
The electronic conduction polymeric material of type.Though inorganic material is classical thermoelectric material, it is not suitable for low temperature flexibility thermoelectric element.
For inorganic material, Organic thermoelectric material has good electric conductivity due to its easy processing, and low heat conductivity is inexpensive,
The adaptability and the feature of environmental protection of various sizes and shape become the important candidate of thermoelectric applications.Organic thermoelectric material is largely
Electronic conduction conjugated polymer, such as polyaniline, polythiophene, polypyrrole and its derivative.
Polyaniline compared to other conjugated polymers, have be easily-synthesized, environmental stability is high, excellent doping and dedoping
Characteristic and extensively by everybody concern.However polyaniline is not due to dissolving in common solvent, and keep its film forming difficult, limit it
Application in terms of flexible material.With compound one of the common method for becoming its film forming of improvement of carbon nanomaterial.Yao etc. will gather
Aniline and single-wall carbon tube are dispersed in metacresol solvent, and droplet casting film forming so that the fexible film of self-supporting be made, and effectively mentions
The high thermoelectricity capability of polyaniline [Qin Yao, Qun Wang, Liming Wang and Lidong Chen, Energy
Environ.Sci.,7(2014)3801-3807].And the film thus prepared can also be used in flexible super capacitor [Fuwei
Liu,Shaojuan Luo,Dong Liu,Wei Chen,Yang Huang,Lei Dong,and Lei Wang,ACS
Appl.Mater.Interfaces 2017,9,33791-33801]。
But this method there are problems that: 1, polyaniline carbon pipe composite material selects metacresol to make solvent, and metacresol
Micro- poison is corrosive；2, metacresol can diffuse a large amount of bad smell out, it is difficult to dissipate；3, metacresol boiling point is higher, preparation and
Product drying is required to long time.So it is necessary to find simple and environmental-friendly preparation method.
Summary of the invention
The present invention is exactly to provide one to solve the technical issues of current material preparation method is complicated, environmental pollution is serious
Cost is relatively low, the preparation method of the simple polyaniline organo-mineral complexing fexible film of preparation method for kind.
For this purpose, the present invention provides a kind of preparation method of polyaniline carbon pipe flexible compound thermoelectric film material, it is specific to wrap
It includes following steps: (1) weighing aniline monomer and oxidant ammonium persulfate is scattered in hydrochloric acid solution respectively, by the salt of ammonium persulfate
Acid solution is gradually added drop-wise in the hydrochloric acid solution of aniline monomer, and ice bath stirring, which polymerize, is made polyaniline；(2) by the step (1)
In solution obtained with ammonium hydroxide adulterate 8~10h, with water and ethanol washing to neutrality, dry and polyaniline in eigenstate be made；(3) will
Eigenstate polyphenyl and camphorsulfonic acid in the step (2) is according to molar ratio 1:(0.25~4) amine is scattered in solvent, and magnetic force stirs
Ultrasonic batch dispersion is mixed and stirred, evenly dispersed dispersing polyaniline liquid is made, disperses carbon pipe in solvent, cell pulverization, ultrasound
Carbon pipe dispersion liquid is made in dispersion；(4) dispersing polyaniline liquid described in step (3) and the carbon pipe dispersion liquid are pressed into quality
Than for (1-10): carbon pipe-dispersing polyaniline solution is made in the mixed solution ultrasound and stirring by 9 mixing；(5) by step
(4) carbon pipe-dispersing polyaniline solution vacuum decompression suction filtration drying on nanofiber screen membrane described in, is made carbon pipe polyphenyl
Amine laminated film；(6) carbon pipe polyaniline laminated film described in step (5) is subjected to pressure to it under the protection of aluminium foil
And Temperature Treatment, polyaniline carbon pipe flexible composite film material is made.
Preferably, in step (1), the concentration of hydrochloric acid solution is 0.1~2mol/L, the ammonium persulfate and the aniline
The molar ratio of monomer is 1:(0.25~4).
Preferably, in step (1), the polymerization time of the polyaniline is 4~for 24 hours.
Preferably, in step (2), the concentration of the ammonium hydroxide is 0.5~2mol/L.
Preferably, in step (2), the polyaniline in eigenstate can be directly scattered in solvent, magnetic agitation and ultrasound
Evenly dispersed dispersing polyaniline liquid is made in batch dispersion.
Preferably, in step (3), the dispersing polyaniline liquid concentration is 0.25~2mg/mL, and the carbon pipe dispersion liquid is dense
Degree is 0.05~1mg/mL.
Preferably, in the step (3), solvent is water, ethyl alcohol, one of DMF organic solvent.
Preferably, carbon pipe is one of single-wall carbon tube, double-walled carbon pipe, multi-wall carbon tube in step (3).
Preferably, in the step (6), pressure is 5~30MPa, and temperature is 25~150 DEG C, and the pressure implementation time is 0.1
~30min.
Helpfulness of the invention:
(1) using the technique of ethyl alcohol, water equal solvent dispersed polyaniline, process is simple, low in cost and environmental-friendly.
(2) present invention mixes polyaniline and inorganic material solution, solves that directly powder is added caused by solvent and compares
Example control is inaccurate, disperses problem of non-uniform.
(3) the one-dimensional or two-dimensional material that the present invention uses can greatly improve the conductivity of composite material, preferably send out
The characteristic of polyaniline is waved, thermoelectricity capability is greatly improved, and has effectively widened the application prospect of polyaniline thermoelectric composite material.
(4) by composite film material made by above-mentioned steps, by cold pressing or hot-pressing processing.The tight of film can be increased
Density reduces porosity, and polyaniline organic-inorganic is made and is uniformly distributed and the thermal electric film of stable structure.
Detailed description of the invention
Fig. 1 is in the embodiment of the present invention 1 to prepared polyaniline organo-mineral complexing thermal electric film material object photo；
Fig. 2 a is the film table of prepared polyaniline organo-mineral complexing thermal electric film sample in the embodiment of the present invention 2
Face；
Fig. 2 b is the interface scanning of prepared polyaniline organo-mineral complexing thermal electric film sample in the embodiment of the present invention 2
Figure；
Fig. 3 is the SEM figure of polyaniline organic-inorganic flexible compound thermoelectric film material prepared by the embodiment of the present invention 5；
Fig. 4 a and Fig. 4 b are the polyaniline organic-inorganic flexibility thermal electric film for having post-processing prepared by the embodiment of the present invention 3
Performance map；
Fig. 5 a and Fig. 5 b are the polyaniline organic-inorganic flexibility thermal electric film without post-processing of comparative example of the present invention preparation
Conductivity performance map.
Specific embodiment
According to following embodiments, the present invention may be better understood.However, as it will be easily appreciated by one skilled in the art that real
It applies content described in example and is merely to illustrate the present invention, without this hair described in claims should will not be limited
It is bright.
Embodiment 1
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 0.1M, magnetic agitation is evenly dispersed.It pressed
Ammonium sulfate and aniline monomer molar ratio 1:0.25 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 0.1M, magnetic force
It is evenly dispersed under stirring, it is placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice
Bath reaction 4 hours；
(2) step (1) the reaction product ammonium hydroxide of 200mL 0.5M is adulterated 8 hours, uses water and ethanol washing extremely later
Neutrality, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) polyaniline powder of synthesis is weighed 45mg to be dispersed in 180mL ethanol solution, magnetic agitation and ultrasound interval
Disperse about 6h, obtains the dispersing polyaniline liquid of evenly dispersed 0.25mg/mL；The single armed carbon pipe of 18mg is dispersed in the second of 180mL
In alcohol, cell pulverization about 30min, ultrasonic disperse 4h prepare the carbon pipe dispersion liquid of 0.05mg/mL.
(4) solution for taking appropriate step (3) to prepare respectively is 1:9 by polyaniline-carbon pipe mass ratio, is equipped with mixed solution,
Total product mass is 10mg, ultrasound and stirring batch dispersion about 4h in composite solution, and it is molten to obtain uniform carbon pipe-dispersing polyaniline
Liquid.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, room temperature is certainly
It is so dry, tentatively obtain carbon pipe polyaniline laminated film.
(6) by step (5) resulting laminated film under protection foil, in 5MPa press machine 0.1min of lower pressing time,
Pressed temperature is 150 DEG C to get the polyaniline carbon pipe flexible composite film material for arriving densification.
Embodiment 2
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 1.5M, magnetic agitation is evenly dispersed.It pressed
Ammonium sulfate and aniline monomer molar ratio 1:1 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 1.5M, magnetic agitation
Under it is evenly dispersed, be placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice bath is anti-
It answers 6 hours；
(2) step (1) reaction product is doped into 8 hours with the ammonium hydroxide of 200mL 1.5M, uses water and ethanol washing later
To neutrality, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) that the camphorsulfonic acid that the polyaniline powder of synthesis weighs 45mg and molar ratio 1:0.25 is dispersed in 90mL ethyl alcohol is molten
In liquid, magnetic agitation and ultrasonic batch dispersion about 6h obtain the dispersing polyaniline liquid of evenly dispersed 0.75mg/mL；By 45mg's
Single armed carbon pipe is dispersed in the ethyl alcohol of 150mL, cell pulverization about 30min, ultrasonic disperse 4h, prepares the carbon pipe point of 0.3mg/mL
Dispersion liquid.
It (4) is that 3:9 is equipped with mixed solution by polyaniline-carbon pipe mass ratio, total product mass is 10mg in composite solution, is surpassed
Sound and stirring batch dispersion about 4h, obtain uniform carbon pipe-dispersing polyaniline solution.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, room temperature is certainly
It is so dry, tentatively obtain carbon pipe polyaniline laminated film.
(6) by step (5) resulting laminated film under protection foil, in 60 DEG C of pushing 1min of 30MPa pressure to get arriving
Fine and close polyaniline carbon pipe flexible composite film material.
Embodiment 3
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 1M, magnetic agitation is evenly dispersed.By over cure
Sour ammonium and aniline monomer molar ratio 1:2 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 1M, under magnetic agitation
Even dispersion, is placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice bath reaction 12
Hour；
(2) step (1) the reaction product ammonium hydroxide of 200mL 1M is adulterated 9 hours, later with water and ethanol washing into
Property, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) camphorsulfonic acid that the polyaniline powder of synthesis weighs 45mg and molar ratio 1:4 is dispersed in 90mL ethanol solution
In, magnetic agitation and ultrasonic batch dispersion about 6h obtain evenly dispersed 1mg/mL dispersing polyaniline liquid；By the both arms carbon pipe of 45mg
It is dispersed in the ethyl alcohol of 90mL, cell pulverization about 30min, ultrasonic disperse 4h prepare the carbon pipe dispersion liquid of 0.5mg/mL.
It (4) is that 5:9 is equipped with mixed solution by polyaniline-carbon pipe mass ratio, total product mass is 10mg in composite solution, is surpassed
Sound and stirring batch dispersion about 4h, obtain uniform carbon pipe-dispersing polyaniline solution.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, room temperature is certainly
It is so dry, tentatively obtain carbon pipe polyaniline laminated film.
(6) by step (5) resulting laminated film under protection foil, in 90 DEG C of 10min of 10MPa pressure to get to cause
Close polyaniline carbon pipe flexible composite film material.
Embodiment 4
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 2M, magnetic agitation is evenly dispersed.By over cure
Sour ammonium and aniline monomer molar ratio 1:3 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 2M, under magnetic agitation
Even dispersion, is placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice bath reaction 14
Hour；
(2) step (1) the reaction product ammonium hydroxide of 200mL 2M is adulterated 9 hours, later with water and ethanol washing into
Property, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) polyaniline powder of synthesis is weighed 45mg to be dispersed in 45mL aqueous solution, magnetic agitation and ultrasound interval point
About 6h is dissipated, the dispersing polyaniline liquid of evenly dispersed 1mg/mL is obtained；The both arms carbon pipe of 45mg is dispersed in the water of 90mL, is added
Enter 0.3g cetyl trimethylammonium bromide (CTAB), disperses about 30min with cell disruptor, ultrasonic disperse 4h is prepared
The carbon pipe dispersion liquid of 0.75mg/mL.
It (4) is that 7:3 is equipped with mixed solution by polyaniline-carbon pipe mass ratio, total product mass is 10mg in composite solution, is surpassed
Sound and stirring batch dispersion about 4h, obtain uniform carbon pipe-dispersing polyaniline solution.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, deionization
Water washing to bubble-free, natural drying at room temperature tentatively obtains carbon pipe polyaniline laminated film.
(6) by step (5) resulting laminated film under protection foil, in the lower 120 DEG C of pressure 20min of 30MPa pressure to get
To fine and close polyaniline carbon pipe flexible composite film material.
Embodiment 5
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 1M, magnetic agitation is evenly dispersed.By over cure
Sour ammonium and aniline monomer molar ratio 1:4 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 1M, under magnetic agitation
Even dispersion, is placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice bath reaction 24
Hour；
(2) step (1) the reaction product ammonium hydroxide of 200mL 1M is adulterated 10 hours, later with water and ethanol washing into
Property, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) camphorsulfonic acid that the polyaniline powder of synthesis is weighed to 45mg and molar ratio 1:2, is dispersed in 45mLDMF solution
In, magnetic agitation and ultrasonic batch dispersion about 6h obtain the dispersing polyaniline liquid of evenly dispersed 2mg/mL；By the multi wall of 45mg
Carbon pipe is dispersed in the DMF of 90mL, disperses about 30min with cell disruptor, ultrasonic disperse 4h prepares the carbon of 0.75mg/mL
Pipe dispersion liquid.
It (4) is that 10:9 is equipped with mixed solution by polyaniline-carbon pipe mass ratio, total product mass is 10mg in composite solution,
Ultrasound and stirring batch dispersion about 4h obtain uniform polyaniline-carbon pipe dispersion solution.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, room temperature is certainly
It is so dry, tentatively obtain polyaniline carbon pipe laminated film.
(6) by step (5) resulting laminated film under protection foil, in the lower 25 DEG C of pressures 30min of 10MPa press machine, i.e.,
Obtain fine and close polyaniline carbon pipe flexible composite film material.
Comparative example
(1) 2.32g aniline monomer is weighed, is dissolved in the HCl solution of 100ml 2M, magnetic agitation is evenly dispersed.By over cure
Sour ammonium and aniline monomer molar ratio 1:3 weigh ammonium persulfate (APS), are dissolved in the HCl solution of 100ml 2M, under magnetic agitation
Even dispersion, is placed in separatory funnel.The HCl solution of APS is added dropwise dropwise in the HCl solution of aniline monomer.Ice bath reaction 14
Hour；
(2) step (1) the reaction product ammonium hydroxide of 200mL 2M is adulterated 9 hours, later with water and ethanol washing into
Property, 60 DEG C dry to obtain polyaniline in eigenstate (EB).
(3) polyaniline powder of synthesis is weighed 45mg to be dispersed in 45mL aqueous solution, magnetic agitation and ultrasound interval point
About 6h is dissipated, the dispersing polyaniline liquid of evenly dispersed 1mg/mL is obtained；The both arms carbon pipe of 45mg is dispersed in the water of 90mL, is added
Enter 0.3g cetyl trimethylammonium bromide (CTAB), disperses about 30min with cell disruptor, ultrasonic disperse 4h is prepared
The carbon pipe dispersion liquid of 0.75mg/mL.
(4) it is 1:9,3:7,5:5,7:3 by polyaniline-carbon pipe mass ratio, is equipped with mixed solution, gross product in composite solution
Quality is 10mg, and ultrasound and stirring batch dispersion about 4h obtain uniform carbon pipe-dispersing polyaniline solution.
(5) carbon pipe polyaniline mixed solution vacuum decompression obtained by step (4) is filtered on nanofiber filter membrane, deionization
Water washing to bubble-free, natural drying at room temperature obtains carbon pipe polyaniline laminated film, without further post-processing, as
Comparative sample.
Conclusion: pass through the comparison of Fig. 4 a, Fig. 4 b and Fig. 5 a, Fig. 5 b, it can be seen that have the organic nothing of the polyaniline of post-processing
Machine flexibility thermal electric film performance is far superior to the polyaniline organic-inorganic flexibility thermal electric film conductivity performance without post-processing, warp
The conductivity and seebeck coefficient for polyaniline organic-inorganic flexibility thermal electric film of crossing that treated are greatly improved.
Claims (9)
1. a kind of preparation method of polyaniline carbon pipe flexible compound thermoelectric film material, it is characterized in that including the following steps:
(1) it weighs aniline monomer and oxidant ammonium persulfate is scattered in hydrochloric acid solution respectively, by the hydrochloric acid solution of ammonium persulfate
It is gradually added drop-wise in the hydrochloric acid solution of aniline monomer, ice bath stirring, which polymerize, is made polyaniline；
(2) solution obtained in the step (1) ammonium hydroxide is adulterated into 8~10h, with water and ethanol washing to neutrality, drying is made
Obtain polyaniline in eigenstate；
(3) by the step (2) eigenstate polyphenyl and camphorsulfonic acid according to molar ratio 1:(0.25~4) amine is scattered in solvent
In, magnetic agitation and ultrasonic batch dispersion are made evenly dispersed dispersing polyaniline liquid, disperse carbon pipe in solvent, cell
It crushes, ultrasonic disperse, carbon pipe dispersion liquid is made；
(4) in mass ratio it is (1-10) by dispersing polyaniline liquid described in step (3) and the carbon pipe dispersion liquid: 9 mixing,
By the mixed solution ultrasound and stirring, carbon pipe-dispersing polyaniline solution is made；
(5) by carbon pipe-dispersing polyaniline solution described in step (4), vacuum decompression suction filtration is dry on nanofiber screen membrane
It is dry, carbon pipe polyaniline laminated film is made；
(6) carbon pipe polyaniline laminated film described in step (5) carries out at pressure and temperature it under the protection of aluminium foil
Polyaniline carbon pipe flexible composite film material is made in reason.
2. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In step (1), the concentration of hydrochloric acid solution is 0.1~2mol/L, and the molar ratio of the ammonium persulfate and the aniline monomer is
1:(0.25~4).
3. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In step (1), the polymerization time of the polyaniline is 4~for 24 hours.
4. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In step (2), the concentration of the ammonium hydroxide is 0.5~2mol/L.
5. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In step (2), the polyaniline in eigenstate can be directly scattered in solvent, and magnetic agitation and ultrasonic batch dispersion are made equal
The dispersing polyaniline liquid of even dispersion.
6. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In step (3), the dispersing polyaniline liquid concentration is 0.25~2mg/mL, and the carbon pipe dispersion liquid concentration is 0.05~1mg/
mL。
7. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In the step (3), solvent is water, ethyl alcohol, one of DMF organic solvent.
8. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
Carbon pipe is one of single-wall carbon tube, double-walled carbon pipe, multi-wall carbon tube in the step (3).
9. the preparation method of polyaniline carbon pipe flexible compound thermoelectric film material according to claim 1, which is characterized in that
In the step (6), pressure is 5~30MPa, and temperature is 25~150 DEG C, and pressure implements the time as 0.1~30min.
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| CN116516685A (en) * | 2023-04-19 | 2023-08-01 | 重庆文理学院 | Preparation method of physiological monitoring multifunctional sensor |
| CN117402390A (en) * | 2023-12-14 | 2024-01-16 | 上海德赟电热材料科技有限公司 | Preparation method of carbon fiber and carbon nanotube based composite electric heating film and film thereof |
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| CN117402390B (en) * | 2023-12-14 | 2024-03-29 | 上海德赟电热材料科技有限公司 | Preparation method of carbon fiber and carbon nanotube based composite electric heating film and film thereof |
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