CN105470003B - A kind of preparation method of the stretchable electrode material of three dimensional carbon nanotubes/textile fabric - Google Patents
A kind of preparation method of the stretchable electrode material of three dimensional carbon nanotubes/textile fabric Download PDFInfo
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- 239000004753 textile Substances 0.000 title claims abstract description 35
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 23
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 23
- 239000007772 electrode material Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 28
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to a kind of preparation method of the stretchable electrode material of three dimensional carbon nanotubes/textile fabric, including：By the textile fabric dual coating graphene conductive glue Jing Guo pre-treatment, two-sided electrostatic spinning, it is subsequently placed in the water-bath containing bleeding agent, adds the processing of bion cation modifier；Add soda ash, regulation dye bath pH, 65~80 DEG C of processing cleanings, drying；CNT is placed in acid solution, 110 DEG C of 4~5h of backflow, obtains being acidified CNT；At room temperature, the textile fabric after drying is placed in dispersant and be acidified in the compound formulation liquid of CNT, ultrasound, impregnated, drying, produced.The technique of the present invention is simple and is easy to industrialize, and the stretchable electrode material of three dimensional carbon nanotubes/textile fabric being prepared is easily achieved large-scale production, and energy-saving and environmental protection, has great commercial application value.
Description
Technical field
The invention belongs to electrode material and its preparation field, more particularly to a kind of three dimensional carbon nanotubes/textile fabric can be drawn
Stretch the preparation method of electrode material.
Background technology
Electrochemical capacitor, also known as ultracapacitor, it is a kind of to have the new of conventional capacitor and rechargeable battery performance concurrently
Energy storage device.Because power density is high, have extended cycle life, charging rate is fast, standing time is long, good temp characteristic, green peace
Congruent advantage, it is described as 21 century most potential energy storage device.Traditional power supply such as battery, ultracapacitor etc. are all
It is solid structure, rigidity is too big.More flexible super capacitor is studied at present, though possessing certain flexibility, is not had substantially
Standby tensility, i.e., can not realize the large deformation similar with textile under small stress, limit its body-worn medical monitoring,
Application in communication apparatus or other small-sized electronic products.It is wearable to realize, it is necessary to development flexibility, lightweight, it is stretchable,
Portable energy conversion or storage device, therefore the ultracapacitor for developing soft flexible is current research emphasis.For
Make wearable supply unit and the good combination of clothes, make it while being combined with various technologies, additionally it is possible to keep one
Fixed comfortableness, fabric construction are the good supply unit forms of a comparison.By textile technology and information technology, electronic technology
And the combination of nanometer technology etc., assign the more additional functions of textile.Pure cotton cloth is the most common material in textile industry
One of, the fiber has high porosity, big specific surface area, has substantial amounts of hydrophilic functional group.Be advantageous to active material to sink
Product, can obtain higher energy density and power density, be the ultracapacitor ideal base material of light flexible/wearable.
But common cotton fiber is non-conductive, must be porous by being compounded in the continuous three-dimensional conductive of its surface construction with conductive carbon material
Network could utilize.Fiber base and carbon material complex method mainly have mixing method, chemical vapour deposition technique, dipping before spinning at present
Method, padding method, electrostatic spray and electrophoresis etc..Wherein chemical vapour deposition technique, electrostatic spray and electrophoresis etc. are required for
Special environment and equipment, commercial application is more difficult, and fiber passes through high-temperature process, surface texture can be caused to damage, limited
Its large-scale application.Infusion process method is easy, permeates nanometer on its surface and its fibrous inside using existing weaving substrate
Carbon material (such as CNT, graphene etc.) is with the conductive stretchable fibrous substrate of realization.There are numerous studies directly to knit cotton fiber
Thing, which is repeatedly impregnated in CNT or graphene dispersing solution, is made conductive fabric electrode.Its conductive electrode constructed has following
Defect：One, CNT are easily assembled, and rely solely between cotton fiber and nano-carbon material (such as CNT, graphene etc.)
Hydrogen bond and Van der Waals force combine its fastness it is poor and be not easy uniformly.Secondly, the conductive fiber capacitance size of planar structure it is limited,
Need further to construct three-dimensional structure, to provide larger specific surface area and faster electron transfer rate.Thirdly, pure cotton fiber
Stretchable poor-performing itself is, it is necessary to other elasticity preferably fiber blends or interweaving to form stretchable electrode.Therefore such as
What makes CNT be uniformly dispersed in water, and it is to be worth grinding to combine to form three-diemsnional electrode structure between fabric with more preferable fastness
The problem studied carefully.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of stretchable electrode material of three dimensional carbon nanotubes/textile fabric
Preparation method, the technique of this method is simple and is easy to industrialize, and the three dimensional carbon nanotubes/textile fabric being prepared is stretchable
Electrode material is easily achieved large-scale production, and energy-saving and environmental protection, has great commercial application value.
A kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric of the present invention, including：
(1) by the textile fabric dual coating graphene conductive glue Jing Guo pre-treatment, two-sided electrostatic spinning；Wherein, flocking
50~60KV of voltage, 10~15cm of distance between polar plate, 10~15s of time, 90~110 DEG C, 10~15min of preliminary drying, bake 135~
140 DEG C, 5~8min；
(2) textile fabric that electrostatic spinning obtains in step (1) is placed in the water-bath containing bleeding agent, bath raio be 15~
20:1；Bion cation modifier 3~5%o w f. are added, handle 10~15min；Soda ash 8~10%o w f. are added,
10~11,65~80 DEG C of 30~40min of processing of dye bath pH are adjusted, are cleaned, drying；
(3) CNT is placed in acid solution, 110 DEG C of 4~5h of backflow, obtains being acidified CNT；
(4) at room temperature, the textile fabric after being dried in step (2) is placed in acidifying carbon nanometer in dispersant and step (3)
In the compound formulation liquid of pipe, 5~8min, drying are impregnated after 5~10min of ultrasound under the conditions of room temperature, dipping and stoving process repeat 5
~8 times, produce the stretchable electrode material of three dimensional carbon nanotubes/textile fabric；Wherein, the content of dispersant is in compound formulation liquid
15~20g/L, the content for being acidified CNT are 1.6~2g/L.
Textile fabric is cotton/spandex blended fabric in the step (1)；Wherein, cotton and spandex blending ratio 95:5, fiber number
18.2dtex。
Fine hair (cotton or viscose rayon) specification in the electrostatic spinning is 0.5mm, fiber number 1.5dtex；It is acidified carbon nanometer
Purity>95wt%, 3~5nm of diameter, length 8-15nm, specific surface area are about 240m2/g。
The concentration of bleeding agent is 1~1.5g/L in water-bath in the step (2)；Wherein, bleeding agent JFC.
Biological cationic modifying agent is cation modifier SA, modification of chitosan or cationic starch in the step (2).
Acid solution is concentrated nitric acid in the step (3).
Dispersant is neopelex, lauryl sodium sulfate or indigo carmine in the step (4)
C16H8N2Na2O8S2。
Drying temperature is 110~120 DEG C in the step (4).
The present invention is acidified CNT adhesion specific with cationization tridimensional textile fabric and adsorption mechanism by studying,
And pass through lot of experiment validation, screening fabric types, determine cation-modified auxiliary agent and dispersant, optimization cationization and
Impregnation technology, the three-dimensional stretchable electrode manufacturing method that simple and easy ground can be prepared on a large scale is obtained.
Specific embodiment is as follows：
(1) fabric and CNT specification
Fabric types used in the present invention are electrostatic spinning cotton fiber and spandex blending (95/5) knitting single jersey, in impregnation
Before, pre-treatment is carried out to blended knitted single jersey using known conventional pre-treating method in dyeing and finishing industry.Fine hair (cotton or viscose glue
Fiber) specification is 0.5mm, fiber number 1.5dtex.It is acidified carbon nanometer purity>95wt%, 3~5nm of diameter, length 8-15nm, compare table
Area is about 240m2/ g, is provided by Chengdu Organical Chemical Co., Ltd., Chinese Academy of Sciences.
(2) electrostatic spinning
Electrostatic potential size, distance between polar plate and Implantation Time can all influence to a certain extent the electrostatic spinning uniformity and
Density.By many experiments, it is 50~60KV to determine voltage, and distance between polar plate is 12~15cm, and the time is 10~15s.Because quiet
Electric flocked fabric need to reduce its resistance value to the full extent, therefore, the present invention uses graphene conductive glue generation as electrode basement
Scraper coating is carried out in substrate surface for conventional static flocking adhesive, needs to be heat-treated after implantation in addition, so that suede
Hair, adhesive and ground strong bonded.Typically there are two stages：Preliminary drying and bake.Mode of heating also has a variety of, generally use
Hot air circulation mode is preferable, both can reach bonding interlinkage temperature, and and can makes moisture in adhesive depart from as early as possible.Drying temperature should also
Substrate nature is noticed, prevents material from can deform at relatively high temperatures.Heat treatment is completed in an oven, and its quality is to flocking fastness
Have a great influence.Though sucking pont after flocking, there is remaining fine hair in gap, move the side of trend against ground using hairbrush
Formula, carry out bristle cleaning.
(3) cationization is handled
Cotton it is cation-modified, be by chemical reaction and physical absorption, cationic compound is anchored at cellulose fiber
In dimension, it is set to become cation cotton fiber.Due to the strong electron attraction of cationic charge, the elecrtonegativity on the original surface of fiber subtracts
Weak, the repulsion between acidifying carbon nano tube surface anion reduces, and enhances Coulomb force knot between fiber and acidifying CNT
Close, the utilization rate and lifting force of CNT can be increased substantially.
1. cation modifier species
Cotton fiber cationic reagent is divided into response type and non-reactive by the combination of reagent and cotton fiber.In recent years
Come, the synthesis of cotton fiber cationic reagent and the application overwhelming majority are all response types.Response type cationic reagent molecule knot
Both comprising the active group that can be reacted with cotton fiber in structure, again containing the cation group that can promote dye.At present, cationization examination
Agent has epoxies, quaternary ammonium salt and chitosan and converted starch class etc..Because many cation modifiers are in itself to ring
There is harmful effect in border, as some amine substance toxicity are very big, has stimulation to eyes, skin and respiratory tract etc..And this is specially
Profit use cation modifier is environment-friendly and significant effect.
2. cation-modified agent concentration
Cellulose fibre after denaturation treatment introduces cation group, fiber is become positively charged lotus, to solution middle-jiao yang, function of the spleen and stomach from
The repulsion increase of sub- modifying agent, inhibits the further progress of denaturation treatment on the contrary.With cation modifier on fiber it is anti-
The progress answered, remaining active group will be reduced in fiber, and after cation-modified agent concentration increases to a certain degree, adsorption rate carries
Height eases up, therefore should suitably choose cation-modified agent concentration.
3. alkali number
Because in the basic conditions, with cation modifier nucleophilic addition can occur for cellulose ion.Therefore, necessarily
The alkali number of amount can improve the reactivity of cation modifier and cellulose.
4. processing time
After cation-modified processing is carried out to a certain extent, the work in the concentration and cellulose fibre of cation modifier
The concentration of property group all declines, and reaction of degeneration (RD) eases up with the increase of time.So the unconfined increase reaction time must not
Will.
5. treatment temperature
Temperature is too low, does not reach the activation energy of auxiliary agent and fiber-reactive, modified effect unobvious.As temperature rises gradually
Height, reactivity are consequently increased, and denaturation degrees are higher.But when temperature raises to a certain extent, the side reaction such as hydrolysis
Degree can also aggravate, therefore denaturation temperature can not be improved unrestrictedly.
6. cation modifying technique
According to the different shape (such as staple in bulk, yarn, knitted fabric, woven fabric) of cotton product and cation modifier is not
Same type, different cation modifying technique can be used.Wherein exhaustion method is that fabric is put into the alkali containing cation reagent
Property modification liquid in, impregnated under certain temperature and time, take out after flowing water rinses and neutralized with diluted acid, then through being washed to neutrality, from
So dry.Time needed for such a method is longer, is not suitable for continuous production；Rolling and piling is to carry out at room temperature, waste liquid amount compared with
It is few.But the stacking at room temperature time is grown, than relatively time-consuming；Roll roasting method production efficiency height, suitable for industrialized mass production, but roll roasting technique can
Modifying agent migration can be caused, cause permanent stain irregular；Infusion process is applied to cotton, woven fabric, knitted fabric etc..Fabric soaks
Stain keeps good agitation, fabric is fully contacted with liquid uniformly in the solution containing modifying agent and alkaline agent, production efficiency compared with
It is high.And CNT and fabric affinity are larger, and hydrolysis will not occur, infusion process has advantage.
(4) impregnation CNT
Dispersive property is poor in aqueous for CNT, surfactant need to be used it is uniformly dispersed, used
Dispersant has double action：It is first, dispersed in aqueous as dispersant uniform carbon nanotubes；Secondly change for cation
Property after bafta, the adsorption rate of CNT is very fast, easily causes the irregular phenomenon of absorption.So made of dispersant slow
Stain.Dispersant is negatively charged, and cationization bafta is positively charged.Because dispersant is much smaller compared to CNT,
Mobility speed is faster in solution, therefore dispersant is preferentially combined with the positive charge on cationization bafta.But due to carbon
Nanotube is relatively bigger than surfactant molecule, and the substantivity combined on bafta is higher than surfactant, therefore carbon
Interaction of the interaction than dispersant and bafta between nanotube and cation is eager to excel, so, it is incorporated in bafta
The dispersant on surface can be replaced by CNT.If dispersant concentration is very high, and the combination trend of bafta cation
Increase, a part of anion surfactant can be adsorbed on bafta, it is impossible to be set to change, continued to occupy cation combination
Site, CNT cannot be combined with the cation on bafta, and at this moment the adsorbance of CNT will decline.
This patent first passage static flocking technology constructs three-dimensional Stretchable fabric, and is strengthened by being cationized
With the interaction of modified CNT, its three-dimensional electric conductivity and capacitive property is improved.
By cotton/spandex blended fabric, uniformly graphene coated conducting resinl, electrostatic spinning form three dimensional fabric to the present invention first
Structural substrates, then carrying out cationization makes its surface carry a large amount of positive charges, further carries a large amount of negative electrical charges with surface
The multiple impregnation of CNT is acidified, three-dimensional stretchable self-supporting electrode is made, technique is simple and is easy to industrialize.
Beneficial effect
(1) ingenious another branch road of the controllable guiding of " electrostatic spinning " technology using in traditional handicraft of the invention, it is vertical orientated
Three-dimensional amino-group carbon nano tube there is regular pore structure and electron propagation ducts, it is being improved its specific surface area
Increase its charge storage capacity simultaneously；
(2) for the weaving substrate that the present invention uses for the three-dimensional electrostatic flocking bafta containing certain spandex content, it is three-dimensional
Hole is flourishing and possesses tensility, you can realization realizes large deformation under small stress, is suitable in body-worn medical monitoring, leads to
The application in equipment or other small-sized electronic products is interrogated, has filled up the blank of current stretchable application of electrode；
(3) present invention is by studying acidifying CNT and the specific adhesion of textile fabric and adsorption mechanism, using simple
One step impregnation technology, traditional " adsorptivity dyeing " theory is constructed applied to conductive fiber, carbon nanometer will be acidified
Pipe is combined as dispersed coloring agent by a step infusion process with cationization three-dimensional woven fibrous substrate, is realized uniformly stretchable
Three-diemsnional electrode is constructed, it is easy to accomplish large-scale production, and energy-saving and environmental protection；
(4) the three-dimensional stretchable electrode constructed by the present invention can use directly as electrode, when being packaged into capacitor not
Collector and backing material are needed, does not more need adhesive etc. to be moulded into electrode, self supporting structure can be realized certainly, there is great industry
Change application value.
Brief description of the drawings
Fig. 1 is the schematic diagram of the preparation method of the stretchable electrode material of three dimensional carbon nanotubes/textile fabric in the present invention.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Test performance and method are in embodiment：
(1) test of fastness
GB/T3921-2008 is pressed in washing color fastness test, and GB/T3920-2008 is pressed in colour fastness to rubbing test.
(2) appearance after laundering
The fabric that electrostatic is implanted into is put into 1mol/L metabisulfite solutions and soaks 60min, its two-sided CNT is observed and takes off
Fall situation.
(3) electrochemical property test
Its capacitive property is tested using three electrode test methods.Test electrolyte uses 1mol/L metabisulfite solutions, to electricity
Extremely platinum electrode, reference electrode select saturated calomel electrode, test its cyclic voltammetric performance, constant current charge-discharge performance calculates its electricity
Capacitance, and test its capacitance (life-span capacitance) after constant current charge-discharge 1000 times.
Embodiment 1
Cotton/spandex blended fabric of pre-treatment is uniformly applied and is covered with graphene conductive glue, two-sided electrostatic spinning, flocking electricity
60KV is pressed, distance between polar plate 10cm, time 10s, 90 DEG C of preliminary drying, 10min, bakes 140 DEG C, 5min.
Static flocking fibre is cationized：Electrostatic spinning cotton/spandex blend fibre is put into added with penetrating agent JFC at room temperature
Handled in the water-bath of (1g/L), bath raio：20:1, add cation modifier SA：5% (o w f.), handle 12min；Add pure
Alkali 10% (o w f.), regulation dye bath pH 10~11, and 70 DEG C are progressively warming up to, handle cleaning, drying after 30min.
CNT is acidified：0.5g MWNTs are placed in 110 DEG C of backflow 4h in 100ml concentrated nitric acid solutions.
Impregnation：Electrostatic spinning cotton/the spandex blended fabric is positioned over containing detergent alkylate under room temperature condition
In sodium sulfonate (15g/L) and acidifying CNT (1.6g/L) compound formulation liquid, 5min is impregnated under the conditions of room temperature after ultrasonic 5min,
120 DEG C of drying, are repeated 8 times.Its fastness, appearance after laundering and capacitive property are determined, it the results are shown in Table 1.
Table 1 is implanted into CNT performance and capacitive property test result
| Washing fastness | Crock fastness | Appearance after laundering | Capacitance | Life-span electric capacity |
| Without significant change | Change is smaller | Without significant change | 34.2F/g | 33.6F/g |
Embodiment 2
Cotton/spandex blended fabric of pre-treatment is uniformly applied and is covered with graphene conductive glue, two-sided electrostatic spinning, flocking electricity
60KV is pressed, distance between polar plate 10cm, time 15s, 90 DEG C of preliminary drying, 10min, bakes 140 DEG C, 5min.
Static flocking fibre is cationized：Electrostatic spinning cotton/spandex blend fibre is put into added with penetrating agent JFC at room temperature
Handled in the water-bath of (1g/L), bath raio：20:1, add cation modifier SA：5% (o w f.), handle 15min；Add pure
Alkali 10% (o w f.), regulation dye bath pH 10~11, and 80 DEG C are progressively warming up to, handle cleaning, drying after 30min.
CNT is acidified：0.5g MWNTs are placed in 110 DEG C of backflow 4h in 100ml concentrated nitric acid solutions.
Impregnation：Electrostatic spinning cotton/the spandex blended fabric is positioned over containing detergent alkylate under room temperature condition
In sodium sulfonate (15g/L) and acidifying CNT (1.6g/L) compound formulation liquid, 5min is impregnated under the conditions of room temperature after ultrasonic 5min,
120 DEG C of drying, are repeated 8 times.Its fastness, appearance after laundering and capacitive property are determined, it the results are shown in Table 2.
Table 2 is implanted into CNT performance and capacitive property test result
| Washing fastness | Crock fastness | Appearance after laundering | Capacitance | Life-span electric capacity |
| Without significant change | Change is smaller | Without significant change | 36.2F/g | 35.6F/g |
Embodiment 3
Cotton/spandex blended fabric of pre-treatment is uniformly applied and is covered with graphene conductive glue, two-sided electrostatic spinning, flocking electricity
60KV is pressed, distance between polar plate 10cm, time 10s, 90 DEG C of preliminary drying, 10min, bakes 140 DEG C, 5min.
Static flocking fibre is cationized：Electrostatic spinning cotton/spandex blend fibre is put into added with penetrating agent JFC at room temperature
Handled in the water-bath of (1g/L), bath raio：20:1, add cation modifier SA：5% (o w f.), handle 12min；Add pure
Alkali 10% (o w f.), regulation dye bath pH 10~11, and 65 DEG C are progressively warming up to, handle cleaning, drying after 30min.
CNT is acidified：0.5g MWNTs are placed in 110 DEG C of backflow 4h in 100ml concentrated nitric acid solutions.
Impregnation：Electrostatic spinning cotton/the spandex blended fabric is positioned over containing detergent alkylate under room temperature condition
In sodium sulfonate (20g/L) and acidifying CNT (2g/L) compound formulation liquid, 5min is impregnated under the conditions of room temperature after ultrasonic 5min,
120 DEG C of drying, are repeated 6 times.Its fastness, appearance after laundering and capacitive property are determined, it the results are shown in Table 3.
Table 3 is implanted into CNT performance and capacitive property test result
| Washing fastness | Crock fastness | Appearance after laundering | Capacitance | Life-span electric capacity |
| Without significant change | Change is smaller | Without significant change | 31.2F/g | 30.8F/g |
Embodiment 4
Cotton/spandex blended fabric of pre-treatment is uniformly applied and is covered with graphene conductive glue, two-sided electrostatic spinning, flocking electricity
60KV is pressed, distance between polar plate 10cm, time 15s, 90 DEG C of preliminary drying, 10min, bakes 140 DEG C, 5min.
Static flocking fibre is cationized：Electrostatic spinning cotton/spandex blend fibre is put into added with penetrating agent JFC at room temperature
Handled in the water-bath of (1g/L), bath raio：20:1, add cation modifier SA：5% (o w f.), handle 15min；Add pure
Alkali 10% (o w f.), regulation dye bath pH 10~11, and 80 DEG C are progressively warming up to, handle cleaning, drying after 30min.
CNT is acidified：0.5g MWNTs are placed in 110 DEG C of backflow 4h in 100ml concentrated nitric acid solutions.
Impregnation：Electrostatic spinning cotton/the spandex blended fabric is positioned over containing detergent alkylate under room temperature condition
In sodium sulfonate (18g/L) and acidifying CNT (2g/L) compound formulation liquid, 5min is impregnated under the conditions of room temperature after ultrasonic 5min,
120 DEG C of drying, are repeated 8 times.Its fastness, appearance after laundering and capacitive property are determined, it the results are shown in Table 4.
Table 4 is implanted into CNT performance and capacitive property test result
| Washing fastness | Crock fastness | Appearance after laundering | Capacitance | Life-span electric capacity |
| Without significant change | Change is smaller | Without significant change | 36.5F/g | 35.5F/g |
Embodiment 5
Cotton/spandex blended fabric of pre-treatment is uniformly applied and is covered with graphene conductive glue, two-sided electrostatic spinning, flocking electricity
60KV is pressed, distance between polar plate 10cm, time 15s, 90 DEG C of preliminary drying, 10min, bakes 140 DEG C, 5min.
Static flocking fibre is cationized：Electrostatic spinning cotton/spandex blend fibre is put into added with penetrating agent JFC at room temperature
Handled in the water-bath of (1.5g/L), bath raio：15:1, add cation modifier SA：5% (o w f.), handle 15min；Add
Soda ash 10% (o w f.), regulation dye bath pH 10~11, and 70 DEG C are progressively warming up to, handle cleaning, drying after 30min.
CNT is acidified：0.5g MWNTs are placed in 110 DEG C of backflow 4h in 100ml concentrated nitric acid solutions.
Impregnation：Electrostatic spinning cotton/the spandex blended fabric is positioned over containing detergent alkylate under room temperature condition
In sodium sulfonate (16g/L) and acidifying CNT (1.8g/L) compound formulation liquid, 5min is impregnated under the conditions of room temperature after ultrasonic 5min,
120 DEG C of drying, are repeated 6 times.Its fastness, appearance after laundering and capacitive property are determined, it the results are shown in Table 5.
Table 5 is implanted into CNT performance and capacitive property test result
| Washing fastness | Crock fastness | Appearance after laundering | Capacitance | Life-span electric capacity |
| Without significant change | Change is smaller | Without significant change | 34.0F/g | 33.1F/g |
Claims (8)
1. a kind of preparation method of the stretchable electrode material of three dimensional carbon nanotubes/textile fabric, including：
(1) by the textile fabric dual coating graphene conductive glue Jing Guo pre-treatment, two-sided electrostatic spinning；
(2) textile fabric that electrostatic spinning obtains in step (1) is placed in the water-bath containing bleeding agent, bath raio is 15~20:
1；
Bion cation modifier 3~5%o w f. are added, handle 10~15min；Soda ash 8~10%o w f. are added, are adjusted
10~11,65~80 DEG C of 30~40min of processing of dye bath pH are saved, are cleaned, drying；
(3) CNT is placed in acid solution, 110 DEG C of 4~5h of backflow, obtains being acidified CNT；
(4) at room temperature, the textile fabric after being dried in step (2) is placed in acidifying CNT in dispersant and step (3)
In compound formulation liquid, ultrasound, impregnate, drying, produce the stretchable electrode material of three dimensional carbon nanotubes/textile fabric；Wherein, it is compound
The content of dispersant is 15~20g/L in preparation liquid, and the content for being acidified CNT is 1.6~2g/L.
2. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, textile fabric is cotton/spandex blended fabric in the step (1)；Wherein, the mass ratio of cotton and spandex is 95:5.
3. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, flocking 50~60KV of voltage, 10~15cm of distance between polar plate, 10~15s of time, preliminary drying 90 in the step (1)
~110 DEG C, 10~15min, 135~140 DEG C are baked, 5~8min.
4. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, the concentration of bleeding agent is 1~1.5g/L in water-bath in the step (2)；Wherein, bleeding agent JFC.
5. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, biological cationic modifying agent is that cation modifier SA, modification of chitosan or cation form sediment in the step (2)
Powder.
6. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, acid solution is concentrated nitric acid in the step (3).
7. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, dispersant is neopelex, lauryl sodium sulfate or indigo carmine in the step (4)
C16H8N2Na2O8S2。
8. a kind of preparation method of stretchable electrode material of three dimensional carbon nanotubes/textile fabric according to claim 1, its
It is characterised by, drying temperature is 110~120 DEG C in the step (4).
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| CN106024425B (en) * | 2016-07-06 | 2018-04-06 | 东华大学 | A kind of preparation method of CNT/cotton compound |
| CN109537268A (en) * | 2018-10-17 | 2019-03-29 | 东华大学 | A kind of elastic conduction spandex cloth and its preparation and application |
| CN109629085B (en) * | 2019-01-30 | 2021-05-11 | 宁波石墨烯创新中心有限公司 | Graphene conductive fabric with space three-dimensional network structure, and preparation method and application thereof |
| US11686011B2 (en) | 2019-11-19 | 2023-06-27 | University Of Central Florida Research Foundation, Inc. | Vertically-aligned graphene-carbon fiber hybrid electrodes and methods for making same |
| IL280607A (en) * | 2021-02-03 | 2022-09-01 | Yeda Res & Dev | A noncovelent hybrid comprising carbon nanotutes(cnt) and aromatic compounds and uses thereof |
| CN113782278B (en) * | 2021-09-16 | 2022-12-02 | 北京科技大学 | Preparation method of fiber-based anisotropic stretchable conductor |
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