CN104538208A - Method for preparing polypyrrole nanowire composite fiber flexible supercapacitor - Google Patents
Method for preparing polypyrrole nanowire composite fiber flexible supercapacitor Download PDFInfo
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- CN104538208A CN104538208A CN201410823990.9A CN201410823990A CN104538208A CN 104538208 A CN104538208 A CN 104538208A CN 201410823990 A CN201410823990 A CN 201410823990A CN 104538208 A CN104538208 A CN 104538208A
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- 229920000128 polypyrrole Polymers 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002070 nanowire Substances 0.000 title abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 44
- 239000004917 carbon fiber Substances 0.000 claims abstract description 44
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 238000000151 deposition Methods 0.000 claims abstract description 9
- 238000004070 electrodeposition Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 239000003792 electrolyte Substances 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 8
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 6
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 238000002484 cyclic voltammetry Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000002848 electrochemical method Methods 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000008363 phosphate buffer Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 150000003233 pyrroles Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002322 conducting polymer Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013305 flexible fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/40—Fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/48—Conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- 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)
- Manufacturing & Machinery (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention belongs to the technical field of preparation of fibrous flexible supercapacitors, and particularly relates to a method for preparing a polypyrrole nanowire/carbon fiber composite fiber flexible supercapacitor. According to the method, an electrochemical deposition method is used for evenly depositing polypyrrole nanowires onto the surface of carbon fibers, and polypyrrole nanowire/carbon fiber composite conducting fibers are prepared. The composite conducting fibers are used as an electrode for preparing the fibrous flexible supercapacitor. The prepared supercapacitor has high specific capacitance, the good bending property and stability. The method is easy to operate and concise in step, and the prepared fibrous flexible supercapacitor can be spun into fabric and is applied to the multiple fields of wearable electronic products, bendable electronic equipment and the like.
Description
Technical field
The invention belongs to the preparing technical field of fibrous flexible super capacitor, be specially the preparation method of a kind of polypyrrole nano line/carbon fibre composite threadiness flexible super capacitor.
Background technology
Ultracapacitor is a kind of electrochemical capacitor possessing high-energy-density, and it has the characteristic of traditional capacitor and battery concurrently, therefore obtains at recent two decades and studies widely.At present, the electrode material mainly for the manufacture of ultracapacitor has material with carbon element, metal oxide or conducting polymer materials.Conducting polymer is as polypyrrole (PPy), polythiophene, polyaniline etc.Along with the development of science and technology, flexible electronic device has come into everybody life, as electronic skin, flexible mobile phone etc., so need that energy density is high, lightweight, flexible thin layer energy storage device be its energy supply, but traditional power supply such as battery, ultracapacitor etc. are all solid structures, rigidity is too strong, and be difficult to meet the demand of people for modern science and technology product and high-quality green living, the light flexible energy storage device that development has high-energy-density and high cyclical stability is imperative.
Carbon fiber has good conductivity, also has flexibility and the machinability of textile fabric simultaneously, demonstrates good application prospect in flexible super capacitor.But the capacitive character of pure carbon fiber is poor, seriously limit its application in ultracapacitor.In recent years, carbon fiber and various material are carried out compound to prepare high-performance super capacitor and cause extensive concern.Conducting polymer such as polypyrrole is a kind of super capacitor material of superior performance, there is the characteristics such as preparation is simple, cheap, good stability, polypyrrole nano line is deposited directly to the surface of carbon fiber, good conductivity, stability is high, capacitance is higher flexible electrode material can be prepared.
Summary of the invention
In order to solve the above-mentioned technical problem existed in prior art, the object of the present invention is to provide a kind of preparation method of the fibrous flexible super capacitor based on polypyrrole nano line/carbon fiber.Its concrete technical scheme is as follows:
A preparation method for fibrous flexible super capacitor, concrete steps are as follows:
The first, prepare polypyrrole nano line/carbon fiber composite conducting fiber
First secure ph is 6 ~ 8, and concentration is the PBS of 0.05 ~ 0.5 mol/L.Then by LiClO
4be dissolved in phosphate buffer with soluble starch, LiClO
4concentration be 0.01 ~ 0.5 mol/L, the concentration of starch is 0.05 ~ 1 mg/mL, and logical nitrogen 3 min is with removing oxygen wherein, and continue afterwards to pass into nitrogen, under nitrogen protection condition, add pyrrole, the concentration of pyrroles is 0.05 ~ 0.4 mol/L.Then with this solution for electrolyte, carbon fiber is as work electrode, platinum filament is to electrode, saturated calomel electrode is reference electrode, by electrochemical workstation, adopts electrochemical deposition method, polypyrrole nano line is loaded on carbon fiber, more than 3 times are embathed afterwards with deionized water, and drying at room temperature 24 hours, obtain polypyrrole nano line/carbon fiber composite conducting fiber;
The second, prepare fibrous flexible super capacitor
Be polypyrrole nano line/carbon fiber composite conducting fiber using two root architectures as the positive pole of ultracapacitor and negative pole, between the two poles of the earth, coat electrolyte, fiber two ends are coated elargol and are drawn circuit, are assembled into flexible super capacitor.
Further, in step one, the electrochemical deposition method of deposition polypyrrole nano line is as follows:
The electrochemical method adopted comprises potentiostatic method, galvanostatic method and cyclic voltammetry, and when adopting potentiostatic method, it is 0.5 ~ 1.5 V that current potential applies scope, and application time is 50 ~ 1800 s; When adopting galvanostatic method, current density is 0.6 ~ 10.0 mA/cm
2, application time is 60 ~ 1800 s; When adopting cyclic voltammetry, electric potential scanning scope is 0 ~ 1.1 V, and potential scan rate is 10 ~ 500 mV/s, and scanning all numbers is 5 ~ 50 weeks.
Further, in step 2, the preparation method of electrolyte is as follows:
The mixed solution of preparation polyvinyl alcohol and phosphoric acid, polyvinyl alcohol concentration is 0.5 ~ 12 M, and the concentration of phosphoric acid is 0.05 ~ 5.0 M, and the mass ratio of phosphoric acid and polyvinyl alcohol is 1/10 ~ 10/1.
The present invention is simple to operate, environmental protection, step are succinct.By electron microscopic picture, obtained polypyrrole nano line/carbon fiber composite conducting fiber, can find out that wherein polypyrrole nano line is evenly distributed in carbon fiber surface thick and fast, have larger specific area, can at the more electronics of its surface storage.The ratio capacitance of the fibrous flexible super capacitor prepared by it is utilized to reach 7.75*10
-3f/cm, after the cylinder around diameter being 4 centimetres is bending, ratio capacitance becomes 7.52*10
-3f/cm, performance only have dropped about 3 % in a flexed condition according.Therefore the present invention has a good application prospect in flexible electronic product, wearable electronic and devices field.
Accompanying drawing explanation
Fig. 1 is the preparation flow figure of fibrous flexible super capacitor of the present invention.
In Fig. 2, (a) is stereoscan photograph when carbon fiber amplifies 5000 times, b (), (c), (d) are respectively sedimentation time 400 s, the polypyrrole nano line/carbon fiber composite conducting fiber of deposition voltage 0.78 V, 0.8 V, 0.85 V amplifies stereoscan photograph when 5000 times under 3kV operating voltage.
In Fig. 3, (a) and (b), (c), (d) are respectively deposition voltage 0.85 V, and the polypyrrole nano line/carbon fiber composite conducting fiber of sedimentation time 100 s, 400 s, 800 s, 800 s amplifies stereoscan photograph when 5000 times under 3kV operating voltage.
Fig. 4 is the Infrared Reflective Spectra figure of polypyrrole nano line/carbon fiber composite conducting fiber.
Fig. 5 is sedimentation time 400 s, the volt-ampere cyclic curve figure of the polypyrrole nano line/carbon fiber composite conducting fiber shape flexible super capacitor of deposition voltage 0.8 V, 0.85 V, 0.9 V.
Fig. 6 is deposition voltage 0.85 V, the volt-ampere cyclic curve figure of the polypyrrole nano line/carbon fiber composite conducting fiber shape flexible super capacitor of sedimentation time 200 s, 400 s, 600 s.
Fig. 7 is deposition voltage 0.85 V, the volt-ampere cyclic curve figure of polypyrrole nano line/carbon fiber composite conducting fiber shape flexible super capacitor after bending of sedimentation time 400 s.
Fig. 8 is deposition voltage 0.85 V, the charging and discharging curve figure of the polypyrrole nano line/carbon fiber composite conducting fiber shape flexible super capacitor of sedimentation time 400 s.
Embodiment
Below by embodiment, the present invention will be further described.
Carbon fiber has good conductivity, also has flexibility and the processability of textile fabric simultaneously, but capacitive character difference limits the application of carbon fiber in ultracapacitor.Polypyrrole prepares simple, cheap, good stability, is a kind of good electrode material, and polypyrrole is combined with carbon fiber can prepare good conductivity, stability is high, capacitance is high flexible electrode material.Polypyrrole is deposited to the specific area that carbon fiber can increase electrode with nano wire pattern, improve the specific capacity of composite material further.With the ultracapacitor that polypyrrole nano line/prepared by carbon fiber composite conducting fiber, there is good conductivity, higher stability, specific capacity.
Of the present inventionly to be summarized as follows: first by electrochemical method, polypyrrole nano line is deposited directly to carbon fiber surface, being that electrolyte prepared by raw material again with polyvinyl alcohol, is finally that flexible fiber shape ultracapacitor made by polypyrrole nano line/carbon fiber combination electrode by structure.
Embodiment:
The first, make the framework of polytetrafluoroethylene and carbon fiber winding is got on
With pocket knife, polyfluortetraethylene plate is cut into the shape of " Contraband ", framework generally length is 3.5 ~ 4.0 cm, wide is 1.0 ~ 1.3 cm, and by carbon fiber winding on ready-made framework, one of carbon fiber is bonded on framework with label paper, other end elargol is bonded on the another side of framework, makes the carbon fiber on framework both sides separated from each other.
The second, preparing structure is polypyrrole nano line/carbon fiber composite conducting fiber
First secure ph is 6 ~ 8, and concentration is the PBS of 0.05 ~ 0.5 mol/L.Then by LiClO
4be dissolved in phosphate buffer with soluble starch, LiClO
4concentration be 0.01 ~ 0.5 mol/L, the concentration of starch is 0.05 ~ 1 mg/mL, and logical nitrogen 3 min is with removing oxygen wherein, and continue afterwards to pass into nitrogen, under nitrogen protection condition, add pyrrole, the concentration of pyrroles is 0.05 ~ 0.4 mol/L.Then with this solution for electrolyte, carbon fiber is as work electrode, platinum filament is to electrode, saturated calomel electrode is reference electrode, by electrochemical workstation, adopts electrochemical deposition method, polypyrrole nano line is loaded on carbon fiber, more than 3 times are embathed afterwards with deionized water, and drying at room temperature 24 hours, obtain polypyrrole nano line/carbon fiber composite conducting fiber.
Three, electrolyte is prepared
Prepare the PVAC polyvinylalcohol that a certain amount of concentration is 0.5 ~ 12mol/L, first at room temperature stir 2 ~ 10 hours, then stir 1 ~ 5 hour at 50 ~ 100 DEG C, in reaction system, then add the phosphoric acid (H of 0.05 ~ 5.0 mol/L
3pO
4) solution, the mass ratio of phosphoric acid and polyvinyl alcohol is 1/10 ~ 10/1, continues to stir 12 ~ 36 hours at normal temperatures, obtains PVA/H
3pO
4electrolyte.
Four, fibrous flexible super capacitor is prepared
The composite conducting fiber using two root architectures being polypyrrole nano line/carbon fiber, as the positive pole of ultracapacitor and negative pole, coats electrolyte between the two poles of the earth, and fiber two ends are coated elargol and drawn circuit, are assembled into flexible super capacitor.
Five, detection fibers shape flexible super capacitor performance
Use electrochemical workstation, respectively sweep speed be 0.025 V/s, the cyclic voltammetry curve of fibrous flexible super capacitor under the condition of 0.1 V/s, 0.25 V/s, 0.5 V/s obtained by test, scanning all numbers is 3 weeks, and then is 10 at electric current
-5a, 5*10
-5a, 10
-4a, 5*10
-4test the charging and discharging curve of fibrous flexible super capacitor under the condition of A, draw its specific capacity by volt-ampere cyclic curve and charging and discharging curve.Then it is bent around the cylinder that diameter is 4cm, then survey its performance again.
Finally by scanning electron microscopy (German Carl Zeiss SMT Pte Ltd/vltra55 type, operating voltage 3 kV) and Fourier infrared spectrograph (power & light company of the U.S. 0.09 cm/Nicolet5700 type, resolution 0.09 cm
-1) characterize.
Claims (3)
1. a preparation method for polypyrrole nano line composite fibre flexible super capacitor, is characterized in that: concrete steps are as follows:
The first, prepare polypyrrole nano line/carbon fiber composite conducting fiber
First secure ph is 6 ~ 8, and concentration is the PBS of 0.05 ~ 0.5 mol/L;
Then by LiClO
4be dissolved in phosphate buffer with soluble starch, LiClO
4concentration be 0.01 ~ 0.5 mol/L, the concentration of starch is 0.05 ~ 1 mg/mL, and logical nitrogen 3 min is with removing oxygen wherein, and continue afterwards to pass into nitrogen, under nitrogen protection condition, add pyrrole, the concentration of pyrroles is 0.05 ~ 0.4 mol/L;
Then with this solution for electrolyte, carbon fiber is as work electrode, platinum filament is to electrode, saturated calomel electrode is reference electrode, by electrochemical workstation, adopts electrochemical deposition method, polypyrrole nano line is loaded on carbon fiber, more than 3 times are embathed afterwards with deionized water, and drying at room temperature 24 hours, obtain polypyrrole nano line/carbon fiber composite conducting fiber;
The second, prepare fibrous flexible super capacitor
Be polypyrrole nano line/carbon fiber composite conducting fiber using two root architectures as the positive pole of ultracapacitor and negative pole, between the two poles of the earth, coat electrolyte, fiber two ends are coated elargol and are drawn circuit, are assembled into flexible super capacitor.
2. the preparation method of polypyrrole nano line composite fibre flexible super capacitor according to claim 1, is characterized in that: in step one, and the electrochemical deposition method of deposition polypyrrole nano line is as follows:
The electrochemical method adopted comprises potentiostatic method, galvanostatic method and cyclic voltammetry, and when adopting potentiostatic method, it is 0.5 ~ 1.5 V that current potential applies scope, and application time is 50 ~ 1800 s; When adopting galvanostatic method, current density is 0.6 ~ 10.0 mA/cm
2, application time is 60 ~ 1800 s; When adopting cyclic voltammetry, electric potential scanning scope is 0 ~ 1.1 V, and potential scan rate is 10 ~ 500 mV/s, and scanning all numbers is 5 ~ 50 weeks.
3. the preparation method of polypyrrole nano line composite fibre flexible super capacitor according to claim 1 and 2, it is characterized in that: in step 2, the preparation method of electrolyte is as follows:
The mixed solution of preparation polyvinyl alcohol and phosphoric acid, polyvinyl alcohol concentration is 0.5 ~ 12 M, and the concentration of phosphoric acid is 0.05 ~ 5.0 M, and the mass ratio of phosphoric acid and polyvinyl alcohol is 1/10 ~ 10/1.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328384A (en) * | 2016-09-28 | 2017-01-11 | 东南大学 | Carbon quantum dots-polyaniline/carbon fiber integrated composite material, its preparation method and application |
| CN108335919A (en) * | 2018-02-12 | 2018-07-27 | 华中科技大学 | A kind of metal organic frame/conducting polymer composite material, it is prepared and application |
| CN109326450A (en) * | 2018-09-10 | 2019-02-12 | 中原工学院 | It is a kind of flexibility carbon fiber-based dye-sensitized solar cells to electrode material and preparation method |
| CN109326453A (en) * | 2018-09-10 | 2019-02-12 | 中原工学院 | A kind of polypyrrole composite electrode material for super capacitor and preparation method thereof based on electrostatic spinning nano fiber resultant yarn technology |
| CN110265231A (en) * | 2019-06-20 | 2019-09-20 | 河南大学 | A kind of supercapacitor and preparation method thereof based on carbon fiber combination electrode material |
| CN111029170A (en) * | 2019-12-24 | 2020-04-17 | 郑州四维特种材料有限责任公司 | Method for preparing novel flexible energy storage material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328384A (en) * | 2016-09-28 | 2017-01-11 | 东南大学 | Carbon quantum dots-polyaniline/carbon fiber integrated composite material, its preparation method and application |
| CN108335919A (en) * | 2018-02-12 | 2018-07-27 | 华中科技大学 | A kind of metal organic frame/conducting polymer composite material, it is prepared and application |
| CN108335919B (en) * | 2018-02-12 | 2019-07-23 | 华中科技大学 | A kind of metal organic frame/conducting polymer composite material, its preparation and application |
| CN109326450A (en) * | 2018-09-10 | 2019-02-12 | 中原工学院 | It is a kind of flexibility carbon fiber-based dye-sensitized solar cells to electrode material and preparation method |
| CN109326453A (en) * | 2018-09-10 | 2019-02-12 | 中原工学院 | A kind of polypyrrole composite electrode material for super capacitor and preparation method thereof based on electrostatic spinning nano fiber resultant yarn technology |
| CN109326453B (en) * | 2018-09-10 | 2020-09-29 | 中原工学院 | Polypyrrole supercapacitor composite electrode material and preparation method thereof |
| CN110265231A (en) * | 2019-06-20 | 2019-09-20 | 河南大学 | A kind of supercapacitor and preparation method thereof based on carbon fiber combination electrode material |
| CN111029170A (en) * | 2019-12-24 | 2020-04-17 | 郑州四维特种材料有限责任公司 | Method for preparing novel flexible energy storage material |
| CN111029170B (en) * | 2019-12-24 | 2021-06-04 | 郑州四维特种材料有限责任公司 | Method for preparing flexible energy storage material |
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Application publication date: 20150422 |