CN110136976A - A kind of fiber/graphene/carbon quantum dot/FeOF flexible electrode material preparation method - Google Patents
A kind of fiber/graphene/carbon quantum dot/FeOF flexible electrode material preparation method Download PDFInfo
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- CN110136976A CN110136976A CN201910417504.6A CN201910417504A CN110136976A CN 110136976 A CN110136976 A CN 110136976A CN 201910417504 A CN201910417504 A CN 201910417504A CN 110136976 A CN110136976 A CN 110136976A
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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
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
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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
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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
- 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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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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 fiber/graphene/carbon quantum dot/FeOF flexible electrode material preparation methods, the following steps are included: A, pretreated fabric being impregnated in containing graphene oxide suspension and being dried, repeats this step and obtain fiber/graphene oxide composite material several times；B, the step A material obtained is immersed in the hydrothermal reaction kettle containing carbon quantum dot, heating reaction synthesis obtains fiber/graphene/carbon quantum dot flexible electrode material.C, the step B material obtained is immersed in containing FeF3·3H2In the hydrothermal reaction kettle of O and alcoholic solution, heating reaction synthesis obtains fiber/graphene/carbon quantum dot/FeOF flexible electrode material.The area specific capacitance with higher of material made from the method for the present invention and power characteristic, cycle performance are superior.
Description
Technical field
The present invention relates to a kind of preparation methods of flexible electrode material, more particularly to a kind of fiber/graphene/carbon quantum
Point/FeOF flexible electrode material preparation method.
Background technique
Electrochemical capacitor is based on the specific functions such as its high capacity and high power density, is widely used in hybrid power vapour
The fields such as vehicle, communication, national defence and wearable electronic.Become as current electronic equipment is just showing lightening and flexibility development
Gesture, flexible display screen, distributed sensor, Electronic Paper and wearable multimedia device etc. be portable and wearable electronic day
Benefit enters daily life.But traditional electrochemical capacitor volume is big, weight weight, shape are fixed, and far can not expire
The demand for development of the current flexible electronic devices of foot.Urgent need develops that low with light weight and cost, small in size, chemical property is excellent
Different and processing performance excellent flexible electrochemical capacitor and its electrode material.
Currently, the research and development of flexible electrochemical capacitor and electrode material have become international hot spot, it is existing both at home and abroad largely to close
In the wearing comfort for how improving wearable energy storage device and chemical property etc. research how is improved, but high system
Make cost, poor flexibility, lower durability and environmental factor dependence etc. and limits their real application.Carry green wood
Material, design new construction are the important methods for improving wearable energy storage device performance and improving its environmental suitability.
Textile material is natural wearable material, and there is excellent wearing comfort, selection generality and mechanics to stablize
Property etc..The material and surface nature of textile material have particularity, therefore the conductive materials such as carbon are difficult to be formed on its surface three-dimensional
Continuous conductive network often uses a large amount of crosslinking agent, table to increase the interaction between conductive material and fabric
Activating agent even binder in face enables conductive material preferably to adhere on the fabric, on the one hand the addition of these substances can block up
Hole on plug fabric is unfavorable for the diffusion of electrolyte ion, influences the performance of its chemical property, on the other hand can make material
Synthesis process is complicated, difficult, increases cost.
Summary of the invention
In view of the above-mentioned defects in the prior art, it is flexible that the present invention provides a kind of fiber/graphene/carbon quantum dot/FeOF
The preparation method of electrode material solves textile material surface and is difficult to shaped conductive network, and cohesive force is not between conductive material and fabric
The problem of foot, provides the material that can be applied to super capacitor and wearable product.The introducing of graphene and carbon quantum dot can
At fiber surface and the internal composite electrode interface for forming high-specific surface area, the transmission rate of electronics can be enhanced, be convenient for
Coming into full contact with for electrolyte and electrode material, is greatly improved electrode material performance.
Technical solution of the present invention is as follows: a kind of fiber/graphene/carbon quantum dot/FeOF flexible electrode material preparation side
Method, comprising the following steps:
A, pretreated fabric is impregnated in graphene oxide suspension and dried, repeated this step and obtain several times
To fiber/graphene oxide composite material, the graphene oxide suspension is by graphene oxide powder ultrasonic disperse in deionization
It is made in water；
B, the fiber/graphene oxide composite material for obtaining step A is immersed in the hydrothermal reaction kettle containing carbon quantum dot, is added
Thermal response synthesizes to obtain fiber/graphene/carbon quantum dot flexible electrode material；
C, fiber/graphene/carbon quanta point material that step B is obtained is immersed in containing FeF3·3H2O and alcoholic solution
In hydrothermal reaction kettle, heating reaction synthesis obtains fiber/graphene/carbon quantum dot/FeOF flexible electrode material.
Further, the concentration of the graphene oxide suspension is 0.5-3mg/mL, and dip time is in the step A
Drying temperature is 40-70 DEG C in 20-60min, the step A, drying time 2-3h.
Preferably, the number of repetition of the step A is 5-40 times.
Further, fiber/graphene oxide composite material is put into the aqueous solution containing carbon quantum dot and carries out by the step B
Hydro-thermal reaction, carbon quantum dot concentration are 0.01mg/mL-0.08mg/mL, and hydrothermal temperature is 100-150 DEG C, time 1-
3h。
Further, the pretreated fabric is to pre-process fabric using aqueous slkali, then
It is cleaned up, is dried with deionized water.
Preferably, the aqueous slkali is sodium hydroxide solution or sodium bicarbonate solution, and the concentration of the aqueous slkali is 0.5-
2mol/L, the pretreatment temperature are 90-120 DEG C, pretreatment time 1-3h, in the pretreatment drying temperature be 80 DEG C-
130 DEG C, drying time 1-3h.
Further, the alcohol is one of ethyl alcohol, propyl alcohol, isopropanol, butanol.
Preferably, the heating temperature that reaction is heated in the step C is 160 DEG C -220 DEG C, reaction time 4h-20h.
The advantages of technical solution provided by the present invention, is:
1, the carbon quantum dot for introducing high conductivity can be with containing these functional groups such as a large amount of carboxyl, hydroxyls in structure
The effects of forming Van der Waals force, hydrogen bond with fabric power, meanwhile, carbon quantum dot partial size is small, can be easy to be embedded in fiber and fiber
Between, this provides particularly important advantage for flexible electrode and coming into full contact with for electrolyte, to further increase material
Quality specific capacitance, volumetric capacitance and energy density provide basis.
2, the present invention, which is combined using layer assembly with hydro-thermal method, is prepared for a kind of novel three-dimensional based on textile fabric growth
Graphene/carbon quantum dot/FeOF super capacitance electrode material.The introducing of graphene and carbon quantum dot can be formed in fiber surface
The composite electrode interface of high-specific surface area, can enhance the transmission rate of electronics, convenient for filling for electrolyte and electrode material
Tap touching, is greatly improved electrode material performance.On this basis, that the carbon composite skeleton of good conductivity and specific capacitance is high,
The FeOF of poorly conductive combines, and gives full play to advantage.
3, material prepared by the present invention can be used as the electrode material of supercapacitor, the material use flexible textile fiber
Between the porous structure that has promote the diffusion of electrolyte ion, while 0 dimension carbon quantum dot and 2 also being made full use of to tie up graphene structures
The more high-specific surface area that the three-dimensional conductive skeleton built has, the characteristics such as higher electron transfer rate, while also giving full play to carbon
The high-ratio surface and high conduction performance of material effectively increase the contact interface of FeOF and carbon material, effectively dispersion FeOF, are that its is counterfeit
Capacitive oxidation reduction reaction provides more reaction active sites, plays the advantage of the capacitor of FeOF, and ensure electronics in electrode material
Quick transmission in material, to obtain high specific capacitance, high power density and high-energy density.
4, electrode material lightweight obtained, softness, area specific capacitance with higher and power characteristic, cycle performance are excellent
More, synthesis is simple, and cost is relatively low, and durability is good, it is made to play bigger make in terms of wearable electronic product
With value.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but not as a limitation of the invention.
The each implementation of fiber of the present invention/graphene/carbon quantum dot/FeOF flexible electrode material preparation method
Graphene oxide powder is prepared by the following method in example: graphene oxide is carried out using improved Hummers synthetic method
Preparation.1.5g powdered graphite is added to by 98% concentrated sulfuric acid of 10mL, 1.25g potassium thiosulfate and 1.25g phosphorus pentoxide group
At mixture in, stir 4.5h under the conditions of 80 DEG C.Then obtained product is cleaned with deionized water, in vacuum oven
In dried under the conditions of 50 DEG C.Product after drying is added in 98% concentrated sulfuric acid of 60mL, is slowly added into 7.5g high again later
Potassium manganate, temperature is maintained at 20 DEG C hereinafter, then adding the deionized water of 125mL in the adition process of potassium permanganate.2h
The hydrogen peroxide that 200mL deionized water and 10mL concentration are 30% is added afterwards, and solution becomes glassy yellow after 10min.Obtaining
The solution of glassy yellow be centrifuged, then cleaned with diluted hydrochloric acid solution (concentrated hydrochloric acid/deionized water volume ratio is 1/10),
Metal ion and sulfate ion are removed, is then cleaned again with deionized water to weakly acidic pH, finally in a vacuum drying oven in 50
DEG C drying obtains graphene oxide.
Carbon quantum dot is synthesized by hydro-thermal method, and the specific method is as follows: 2.298g monohydrate potassium is dissolved in 20mL deionization
In water, 670 μ L ethylenediamines are added into citric acid solution, by closed in solution transfer reaction kettle, HMX1100-20 type atmosphere furnace
In 200 DEG C of hydro-thermal reaction 5h, cooled to room temperature, product is dark-brown after hydro-thermal reaction, and reaction solution dialysis obtains most afterwards for 24 hours
Final product.
Embodiment 1
Graphene oxide powder is add to deionized water, the oxidation stone that concentration is 1.5mg/mL is made in ultrasonic 60min
Black alkene suspension.Cotton fabric, in 100 DEG C of processing 2h, is then cleaned up with deionized water with the sodium hydroxide solution of 1mol/L,
2h is dried in 110 DEG C of drying boxes.Pretreated cotton fabric is impregnated into the graphene oxide suspension prepared, in room
Temperature after stirring 30min, is placed in 50 DEG C of vacuum drying ovens down and dries 2h, and repeated impregnations-drying course 20 times.By cotton/oxidation stone
Black alkene compound fabric is immersed in the carbon quantum dot solution that concentration is 0.03mg/ml, 120 DEG C of reaction 2h in reaction kettle, then
Taking-up is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, obtains cotton/graphene/carbon quantum dot composite material.
Cotton/graphene/carbon quantum dot composite material is immersed in containing FeF3·3H2O and ethyl alcohol (quality (g): volume
(ml)=2.08:1) in hydrothermal reaction kettle, 180 DEG C of reaction 12h, synthesis obtains fiber/graphene/carbon quantum dot/FeOF electrode
Material carries out 80 DEG C of drying 2h to the material, and measuring sheet resistance is 108 Ω/sq, and when sweep speed is 5m V/s, specific capacitance can
Up to 316F/g, and there is good flex capability.
Comparative example 1
Graphene oxide powder is add to deionized water, the oxidation stone that concentration is 1.5mg/mL is made in ultrasonic 60min
Black alkene suspension.Cotton fabric, in 100 DEG C of processing 2h, is then cleaned up with deionized water with the sodium hydroxide solution of 1mol/L,
2h is dried in 110 DEG C of drying boxes.Pretreated cotton fabric is impregnated into the graphene oxide suspension prepared, in room
Temperature after stirring 30min, is placed in 50 DEG C of vacuum drying ovens down and dries 2h, and repeated impregnations-drying course 20 times.By cotton/oxidation stone
Black alkene compound fabric is immersed in the NaBH that concentration is 0.5mol/L4In solution, 12h is stirred in room temperature condition, then takes out and spends
Ionized water cleans 3 times, and in 100 DEG C of drying 2h, reduction obtains cotton/graphene composite material.
Cotton/graphene composite material is immersed in containing FeF3·3H2O and ethyl alcohol (quality (g): volume (ml)=
2.08:1) in hydrothermal reaction kettle, 180 DEG C of reaction 12h, synthesis obtain fiber/graphene/FeOF electrode material, to the material into
80 DEG C of drying 2h of row, measuring sheet resistance is 126 Ω/sq, and when sweep speed is 5m V/s, specific capacitance has up to 256F/g
There is good flex capability.
Embodiment 2
Graphene oxide powder is add to deionized water, the graphite oxide that concentration is 2mg/mL is made in ultrasonic 30min
Alkene suspension.Cotton fabric, in 90 DEG C of processing 3h, is then cleaned up with deionized water with the sodium bicarbonate solution of 0.5mol/L, in
2.5h is dried in 100 DEG C of drying boxes.Pretreated cotton fabric is impregnated into the graphene oxide suspension prepared, in room
Temperature after stirring 20min, is placed in 50 DEG C of vacuum drying ovens down and dries 3h, and repeated impregnations-drying course 30 times.By cotton/oxidation stone
Black alkene compound fabric is immersed in the carbon quantum dot solution that concentration is 0.04mg/ml, 110 DEG C of reaction 3h in reaction kettle, then
Taking-up is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, obtains cotton/graphene/carbon quantum dot composite material.
Cotton/graphene/carbon quantum dot composite material is immersed in FeF3·3H2O and ethyl alcohol (quality (g): volume (ml)
=2.08:1) in hydrothermal reaction kettle, 200 DEG C of reaction 8h, synthesis obtains fiber/graphene/carbon quantum dot/FeOF electrode material,
80 DEG C of drying 2h are carried out to the material, measuring sheet resistance is 115 Ω/sq, and when sweep speed is 5mV/s, specific capacitance is up to 322F/
G, and there is good flex capability.
Embodiment 3
Graphene oxide powder is add to deionized water, the graphite oxide that concentration is 3mg/mL is made in ultrasonic 30min
Alkene suspension.Dacron, in 120 DEG C of processing 1.5h, is then cleaned with deionized water dry with the sodium bicarbonate solution of 2mol/L
Only, 3h is dried in 80 DEG C of drying boxes.Pretreated terylene is impregnated into the graphene oxide suspension prepared, in room
Temperature after stirring 50min, is placed in 60 DEG C of vacuum drying ovens down and dries 2.5h, and repeated impregnations-drying course 40 times.By dacron/
Graphene oxide compound fabric is immersed in the carbon quantum dot solution that concentration is 0.06mg/ml, 120 DEG C of reactions in reaction kettle
3h then takes out and is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, obtains terylene/graphene/carbon quantum dot composite material.
Dacron/graphene/carbon quantum dot composite material is immersed in FeF3·3H2O and propyl alcohol (quality (g): volume
(ml)=2.08:1) in hydrothermal reaction kettle, 160 DEG C of reaction 20h, synthesis obtains fiber/graphene/carbon quantum dot/FeOF electrode
Material carries out 80 DEG C of drying 2h to the material, and measuring sheet resistance is 167 Ω/sq, and when sweep speed is 5mV/s, specific capacitance is reachable
299F/g, and there is good flex capability.
Comparative example 2
Graphene oxide powder is add to deionized water, the graphite oxide that concentration is 3mg/mL is made in ultrasonic 30min
Alkene suspension.Dacron, in 120 DEG C of processing 1.5h, is then cleaned with deionized water dry with the sodium bicarbonate solution of 2mol/L
Only, 3h is dried in 80 DEG C of drying boxes.Pretreated terylene is impregnated into the graphene oxide suspension prepared, in room
Temperature after stirring 50min, is placed in 60 DEG C of vacuum drying ovens down and dries 2.5h, and repeated impregnations-drying course 40 times.By dacron/
Graphene oxide compound fabric is immersed in the NaBH that concentration is 1mol/L4In solution, 12h is stirred in room temperature condition, is then taken out
It is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, reduction obtains dacron/graphene composite material.
Dacron/graphene composite material is immersed in FeF3·3H2O and propyl alcohol (quality (g): volume (ml)=
2.08:1) in hydrothermal reaction kettle, 160 DEG C of reaction 20h, synthesis obtains fiber/graphene/carbon quantum dot/FeOF electrode material, right
The material carries out 80 DEG C of drying 2h, and measuring sheet resistance is 188 Ω/sq, when sweep speed is 5mV/s, specific capacitance up to 242F/g,
And there is good flex capability.
Embodiment 4
Graphene oxide powder is add to deionized water, the oxidation stone that concentration is 0.5mg/mL is made in ultrasonic 30min
Black alkene suspension.Nylon fabric, in 120 DEG C of processing 2.5h, is then cleaned with deionized water with the sodium hydroxide solution of 1.5mol/L
Completely, 1.5h is dried in 130 DEG C of drying boxes.Pretreated polyamide fibre is impregnated into the graphene oxide suspension prepared
In, after stirring 60min at room temperature, it is placed in 70 DEG C of vacuum drying ovens and dries 2h, repeated impregnations-drying course 10 times.By polyamide fibre
Fabric/graphene oxide compound fabric is immersed in the carbon quantum dot solution that concentration is 0.08mg/ml, 140 DEG C in reaction kettle
2h is reacted, then takes out and is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, it is multiple to obtain nylon fabric/graphene/carbon quantum dot
Condensation material.
Nylon fabric/graphene/carbon quantum dot composite material is immersed in containing FeF3·3H2O and ethyl alcohol (quality (g):
Volume (ml)=2.08:1) in hydrothermal reaction kettle, 140 DEG C of reaction 20h, synthesis obtains fiber/graphene/carbon quantum dot/FeOF
Electrode material carries out 80 DEG C of drying 2h to the material, and measuring sheet resistance is 388 Ω/sq, when sweep speed is 5mV/s, specific capacitance
Up to 237F/g, and there is good flex capability.
Embodiment 5
Graphene oxide powder is add to deionized water, the graphite oxide that concentration is 1mg/mL is made in ultrasonic 30min
Alkene suspension.Non-woven fabrics fabric, in 100 DEG C of processing 3h, is then cleaned with deionized water dry with the sodium hydroxide solution of 0.5mol/L
Only, 1h is dried in 120 DEG C of drying boxes.Pretreated non-woven fabrics fabric is impregnated into the graphene oxide suspension prepared
In, after stirring 30min at room temperature, it is placed in 40 DEG C of vacuum drying ovens and dries 3h, repeated impregnations-drying course 5 times.By nonwoven
Cloth/graphene oxide compound fabric is immersed in the carbon quantum dot solution that concentration is 0.06mg/ml, in reaction kettle 140 DEG C it is anti-
2h is answered, then takes out and is cleaned 3 times with deionized water, in 100 DEG C of drying 2h, obtains non-woven fabrics/graphene/carbon quantum dot composite wood
Material.
Non-woven fabrics/graphene/carbon quantum dot composite material is immersed in containing FeF3·3H2O and butanol (quality (g): body
Product (ml)=2.08:1) in hydrothermal reaction kettle, 180 DEG C of reaction 12h, it is electric that synthesis obtains fiber/graphene/carbon quantum dot/FeOF
Pole material carries out 80 DEG C of drying 2h to the material, and measuring sheet resistance is 412 Ω/sq, and when sweep speed is 5mV/s, specific capacitance can
Up to 229F/g, and there is good flex capability.
Comparative example 3
Oxidation stone alkene powder is add to deionized water, the graphene oxide that concentration is 1mg/mL is made in ultrasonic 30min
Suspension.Non-woven fabrics fabric, in 100 DEG C of processing 3h, is then cleaned with deionized water dry with the sodium hydroxide solution of 0.5mol/L
Only, 1h is dried in 120 DEG C of drying boxes.Pretreated non-woven fabrics fabric is impregnated into the graphene oxide suspension prepared
In, after stirring 30min at room temperature, it is placed in 40 DEG C of vacuum drying ovens and dries 3h, repeated impregnations-drying course 5 times.By nonwoven
Cloth/graphene oxide compound fabric is immersed in the NaBH that concentration is 1mol/L4In solution, 12h is stirred in room temperature condition, is then taken
It is cleaned 3 times with deionized water out, in 100 DEG C of drying 2h, reduction obtains non-woven fabrics/graphene composite material.
Non-woven fabrics/graphene composite material is immersed in containing FeF3·3H2O and butanol (quality (g): volume (ml)=
2.08:1) in hydrothermal reaction kettle, 180 DEG C of reaction 12h, synthesis obtain fiber/graphene/FeOF electrode material, to the material into
80 DEG C of drying 2h of row, measure 436 Ω of sheet resistance/sq, and when sweep speed is 5mV/s, specific capacitance has good up to 189F/g
Flex capability.
Claims (8)
1. a kind of fiber/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, which is characterized in that including following
Step:
A, pretreated fabric is impregnated in graphene oxide suspension and dried, repeated this step and obtain fibre several times
Dimension/graphene oxide composite material, the graphene oxide suspension be by graphene oxide powder ultrasonic disperse in deionized water
It is made；
B, fiber/graphene oxide composite material is put into the aqueous solution containing carbon quantum dot, hydro-thermal reaction prepares fiber/graphite
Alkene/carbon quantum dot electrode material；
C, fiber/graphene/carbon quanta point material that step B is obtained is immersed in containing FeF3·3H2The hydro-thermal of O and alcoholic solution
In reaction kettle, heating reaction synthesis obtains fiber/graphene/carbon quantum dot/cobalt sulfide nickel flexible electrode material.
2. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the concentration of the graphene oxide suspension is 0.5-3mg/mL, and dip time is 20-60min in the step A,
Drying temperature is 40-70 DEG C in the step A, drying time 2-3h.
3. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the number of repetition of the step A is 5-40 times.
4. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that fiber/graphene oxide composite material is put into the aqueous solution containing carbon quantum dot and carries out hydro-thermal reaction by the step B,
The concentration of aqueous solution of the carbon quantum dot is 0.01mg/mL-0.08mg/mL, and hydrothermal temperature is 100-150 DEG C, and the time is
1-3h。
5. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the pretreated fabric is to pre-process fabric using aqueous slkali, then uses deionized water
It cleans up, dries.
6. fiber according to claim 5/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the aqueous slkali is sodium hydroxide solution or sodium bicarbonate solution, and the concentration of the aqueous slkali is 0.5-2mol/L, institute
Stating pretreatment temperature is 90-120 DEG C, pretreatment time 1-3h, and drying temperature is 80 DEG C -130 DEG C in the pretreatment, drying
Time is 1-3h.
7. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the alcohol is one of ethyl alcohol, propyl alcohol, isopropanol, butanol.
8. fiber according to claim 1/graphene/carbon quantum dot/FeOF flexible electrode material preparation method, special
Sign is that the heating temperature that reaction is heated in the step C is 100 DEG C -180 DEG C, reaction time 4h-20h.
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| KR102400276B1 (en) * | 2020-11-19 | 2022-05-23 | 한국과학기술연구원 | Method for producing a conductive fiber composite, and a conductive fiber composite according thereto |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282882A (en) * | 2014-09-26 | 2015-01-14 | 江苏华东锂电技术研究院有限公司 | Composite positive electrode material and preparation method thereof |
| CN105845443A (en) * | 2016-05-16 | 2016-08-10 | 中国科学院兰州化学物理研究所 | Carbon quantum dot sensitized solar cell prepared in situ |
| CN106531977A (en) * | 2015-09-11 | 2017-03-22 | 徐海波 | Graphene oxide quantum dot and graphene composite electrode material and preparation method thereof |
| CN108766783A (en) * | 2018-06-13 | 2018-11-06 | 常熟理工学院 | A kind of preparation method of fiber/graphene/zinc sulphide flexible electrode material |
| CN109137142A (en) * | 2018-07-26 | 2019-01-04 | 南京工业大学 | Spot film structure carbon quantum dot-graphene fiber and preparation and application |
-
2019
- 2019-05-20 CN CN201910417504.6A patent/CN110136976B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282882A (en) * | 2014-09-26 | 2015-01-14 | 江苏华东锂电技术研究院有限公司 | Composite positive electrode material and preparation method thereof |
| CN106531977A (en) * | 2015-09-11 | 2017-03-22 | 徐海波 | Graphene oxide quantum dot and graphene composite electrode material and preparation method thereof |
| CN105845443A (en) * | 2016-05-16 | 2016-08-10 | 中国科学院兰州化学物理研究所 | Carbon quantum dot sensitized solar cell prepared in situ |
| CN108766783A (en) * | 2018-06-13 | 2018-11-06 | 常熟理工学院 | A kind of preparation method of fiber/graphene/zinc sulphide flexible electrode material |
| CN109137142A (en) * | 2018-07-26 | 2019-01-04 | 南京工业大学 | Spot film structure carbon quantum dot-graphene fiber and preparation and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102400276B1 (en) * | 2020-11-19 | 2022-05-23 | 한국과학기술연구원 | Method for producing a conductive fiber composite, and a conductive fiber composite according thereto |
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