CN110136988B - Elastic gel super capacitor and preparation method thereof - Google Patents
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003990 capacitor Substances 0.000 title abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
- 239000011259 mixed solution Substances 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000011245 gel electrolyte Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 abstract description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 15
- 229920001940 conductive polymer Polymers 0.000 abstract description 11
- 230000007935 neutral effect Effects 0.000 abstract description 7
- 239000003960 organic solvent Substances 0.000 abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 6
- 229920000767 polyaniline Polymers 0.000 abstract description 6
- 229920000128 polypyrrole Polymers 0.000 abstract description 5
- 229920000144 PEDOT:PSS Polymers 0.000 abstract description 4
- 229920001467 poly(styrenesulfonates) Polymers 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 2
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229960002796 polystyrene sulfonate Drugs 0.000 abstract 1
- 239000011970 polystyrene sulfonate Substances 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 238000012983 electrochemical energy storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001453 impedance spectrum Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- 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
-
- 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
- H01G11/54—Electrolytes
- H01G11/56—Solid electrolytes, e.g. gels; Additives therein
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- 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
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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)
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Abstract
The invention discloses an elastic gel super capacitor and a preparation method thereof. The super capacitor is structurally a gel electrode/electrolyte/gel electrode, wherein the gel electrode component contains a conductive polymer, an alcohol organic solvent and an acid solution; the electrolyte is an acidic or neutral electrolyte. In the gel electrode composition, the conductive polymer may be poly 3, 4-ethylenedioxythiophene/polystyrene sulfonate (PEDOT: PSS), polypyrrole (PPy), or Polyaniline (PANI); the alcohol organic solvent may be diethylene glycol (DEG) or Ethylene Glycol (EG). The preparation method comprises the following steps: injecting and molding the mixture in a mold to synthesize a gel electrode, and annealing the gel electrode; coating electrolyte, and coating the electrolyte between the two gel electrodes to assemble the elastic gel supercapacitor. The elastic gel supercapacitor prepared by the method has excellent electrochemical performance, and is particularly characterized by low impedance, good elasticity (compressibility and rebound), smooth surface, adjustable shape and thickness and the like.
Description
Technical Field
The invention belongs to the technical field of photoelectric materials and devices, and particularly relates to an elastic gel supercapacitor and a preparation method thereof.
Background
Electrochemical energy storage plays an important role in the management of renewable energy sources, particularly for small and medium-sized infrastructures and portable electronic devices. The search for new electrochemical energy storage chemistries and materials has further developed over the past decade. Among other things, Conductive Polymers (CPs) can provide efficient charge transport for power applications due to their inherent conductivity. However, few conductive polymer materials meet the requirement of high-surface-area conduction to complete electric double layer charge transfer (EDLC), and in the current exploration of CPs, the high-performance application is difficult to develop due to the limitations of difficult morphology control, poor redox energy storage capacity and the like. Therefore, at present, a charge storage device with a high specific surface area CP mesoporous framework, which combines the electrical double-layer charge storage on the CP interface with the redox charge storage generated by the polymer chain and provides protection for the cathode on the application level, does not exist.
Disclosure of Invention
In order to better meet the development of wearable electronic products in the future, the invention provides a high-performance elastic gel supercapacitor with excellent comprehensive performance and a preparation method thereof. The gel electrode can simultaneously realize excellent photoelectric property and elasticity, smooth surface, low-cost manufacture and controllable shape and thickness.
In order to achieve the purpose, the invention adopts the technical scheme that:
an elastic gel super capacitor is structurally characterized in that two layers of gel electrodes are attached to each other through electrolyte, wherein: the gel electrode contains a conductive polymer, an alcohol organic solvent and an acid solution; the electrolyte is an acidic or neutral electrolyte.
Preferably, the conductive polymer is poly 3, 4-ethylenedioxythiophene-polystyrene sulfonate (PEDOT: PSS), polypyrrole (PPy), or Polyaniline (PANI), and the alcoholic organic solvent is diethylene glycol (DEG) or Ethylene Glycol (EG).
Preferably, the acid solution is concentrated sulfuric acid, concentrated hydrochloric acid or concentrated phosphoric acid with the volume fraction of 90-99%.
Preferably, the acidic electrolyte is an aqueous solution of polyvinyl alcohol and phosphoric acid, and the neutral electrolyte is a LiCl solution.
Preferably, the mass ratio of the polyvinyl alcohol to the phosphoric acid to the water in the acidic electrolyte is 1:1: 10.
A preparation method of an elastic gel supercapacitor comprises the following steps:
(1) placing the mixed solution of the conductive polymer and the alcohol organic solvent in a mold containing an acid solution, and synthesizing a gel electrode by a heating injection molding method;
(2) annealing the synthesized gel electrode;
(3) and taking two annealed product gel electrodes, coating electrolyte between the two gel electrodes, and assembling the supercapacitor.
Preferably, in the step (1), the mass of the conductive polymer in the mixed solution is 1 to 3 times of that of the alcohol organic solvent.
Preferably, in the step (1), the acid solution is concentrated sulfuric acid, concentrated hydrochloric acid or concentrated phosphoric acid with a volume fraction of 90-99%.
Preferably, in the step (2), the annealing temperature of the annealing treatment is 80-120 ℃, and the annealing time is 30-120 min.
Preferably, in the step (3), the electrolyte is coated by bar coating, knife coating or screen printing.
Compared with the prior art, the invention has the following beneficial effects:
(1) the elastic gel super capacitor structure is a gel electrode/electrolyte/gel electrode. Wherein the gel electrode component comprises a conductive polymer, an alcohol organic solvent and an acid (concentrated sulfuric acid, concentrated hydrochloric acid or concentrated phosphoric acid with volume fraction of 90-99%); the electrolyte type is acidic or neutral electrolyte, and a mesoporous nano-sized conductive gel frame is prepared, so that a large specific surface area is provided for the charge storage of the super capacitor. The super capacitor has excellent comprehensive performance, and is particularly characterized by excellent electrochemical energy storage performance, strong elasticity and good stability;
(2) the elastic gel super capacitor is prepared by a simple physical doping mode, the preparation method is simple, the manufacturing cost can be effectively reduced, the elastic gel super capacitor is suitable for large-scale production, patterning manufacturing and shape and size adjustment of the electrode can be realized through a special die, the super capacitor with excellent comprehensive performance can be obtained through control of annealing post-treatment conditions, and the elastic gel super capacitor is particularly suitable for application of future flexible and portable wearable electronic products.
Drawings
FIG. 1 is a scanning electron micrograph of an elastic gel supercapacitor of the present invention.
FIG. 2 is a cyclic voltammetric test of the elastic gel supercapacitor of the invention.
FIG. 3 is a constant current charge and discharge test of the elastic gel supercapacitor of the present invention.
FIG. 4 is an impedance spectrum of the elastic gel supercapacitor of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
A mixed solution was prepared by mixing 1g of PEDOT, PSS (pH 1000) and 1g of DEG uniformly in a beaker. 5mL of a concentrated sulfuric acid (98%) solution was added to a cylindrical closed mold having a diameter of 3cm for use. And (3) quickly dripping the mixed solution in the beaker into a mould containing a sulfuric acid solution at one time by using a dropper. After the mixed solution was gradually immersed in the sulfuric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. Taking the gel product out of the mold, placing on a constant temperature heating table, and heating at 90 ℃ for 30min for annealing, thereby preparing the gel electrode. Then, preparation of an acid electrolyte is carried out: 1g of PVA and 1g H3PO4The acid gel electrolyte was prepared by adding to 10mL of deionized water, and heating at 95 ℃ until the solution became a uniform transparent gel solution. Finally, the electrolyte is uniformly coated between two identical gel electrodes. After drying in air, an elastic gel supercapacitor was obtained.
The gel electrode of the elastic gel supercapacitor prepared by the embodiment presents a wrinkled microscopic morphology with a large specific surface area, as shown in fig. 1; the cyclic voltammetry curve is nearly rectangular, which shows that the capacitance performance is ideal, as shown in fig. 2; the energy storage performance is excellent, and the specific capacitance reaches 227 mF cm-2As in fig. 3; in addition, the device resistance is low, as in fig. 4.
Example 2
A mixed solution was prepared by mixing 1g of PEDOT: PSS (pH 1000) and 0.5 g of DEG uniformly in a beaker. 5mL of concentrated hydrochloric acid (98%) solution was added to a closed mold of a rectangular parallelepiped having a diameter of 5 cm for use. Mixing the above beaker with a dropperThe mixed solution is quickly dripped into a mould containing hydrochloric acid solution at one time. After the mixed solution was gradually immersed in the hydrochloric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. Taking the gel product out of the mold, placing on a constant temperature heating table, and heating at 90 ℃ for 30min for annealing, thereby preparing the gel electrode. Then, preparation of an acid electrolyte is carried out: 1g of PVA and 1g H2SO4The acid gel electrolyte was prepared by adding to 10mL of deionized water, and heating at 95 ℃ until the solution became a uniform transparent gel solution. Finally, the electrolyte is uniformly coated between two identical gel electrodes. After drying in air, an elastic gel supercapacitor was obtained.
The electrochemical performance of the super capacitor prepared by the embodiment is similar to that of the super capacitor prepared by the embodiment 1, the elasticity is good, and the performance of the super capacitor does not obviously decline after being compressed for hundreds of times.
Example 3
A mixed solution was prepared by uniformly mixing 1g of PPy and 1g of EG in a beaker. 5mL of a concentrated sulfuric acid (98%) solution was added to a cylindrical closed mold having a diameter of 3cm for use. And (3) quickly dripping the mixed solution in the beaker into a mould containing a sulfuric acid solution at one time by using a dropper. After the mixed solution was gradually immersed in the sulfuric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. And taking the gel product out of the mold, placing the gel product on a constant-temperature heating table, and heating the gel product at the temperature of 90 ℃ for 60 min for annealing, thereby preparing the gel electrode. Then, preparation of an acid electrolyte is carried out: 1g of PVA and 1g H3PO4The acid gel electrolyte was prepared by adding to 10mL of deionized water, and heating at 95 ℃ until the solution became a uniform transparent gel solution. Finally, the electrolyte is uniformly coated between two identical gel electrodes. After drying in air, an elastic gel supercapacitor was obtained.
The electrochemical performance of the super capacitor prepared by the embodiment is similar to that of the super capacitor prepared by the embodiment 1, the elasticity is good, and the performance of the super capacitor does not obviously decline after being compressed for hundreds of times.
Example 4
1g of PANI and 1g of DEG were both placed in a beakerMixing to obtain mixed solution. 5mL of a concentrated sulfuric acid (98%) solution was added to a cylindrical closed mold having a diameter of 3cm for use. And (3) quickly dripping the mixed solution in the beaker into a mould containing a concentrated sulfuric acid solution at one time by using a dropper. After the mixed solution was gradually immersed in the sulfuric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. And taking the gel product out of the mold, placing the gel product on a constant-temperature heating table, and heating the gel product at the temperature of 90 ℃ for 60 min for annealing, thereby preparing the gel electrode. Then, preparation of an acid electrolyte is carried out: 1g of PVA and 1g H3PO4The acid gel electrolyte was prepared by adding to 10mL of deionized water, and heating at 95 ℃ until the solution became a uniform transparent gel solution. Finally, the electrolyte is uniformly coated between two identical gel electrodes. After drying in air, an elastic gel supercapacitor was obtained.
The electrochemical performance of the super capacitor prepared by the embodiment is similar to that of the super capacitor prepared by the embodiment 1, the elasticity is good, and the performance of the super capacitor does not obviously decline after being compressed for hundreds of times.
Example 5
A mixed solution was prepared by mixing 1g of PANI and 0.5 g of DEG homogeneously in a beaker. 5mL of concentrated sulfuric acid (98%) solution was added to a cylindrical closed mold of 3cm for use. And (3) quickly dripping the mixed solution in the beaker into a mould containing concentrated hydrochloric acid solution at one time by using a dropper. After the mixed solution was gradually immersed in the sulfuric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. Taking the gel product out of the mold, placing on a constant temperature heating table, and heating at 100 ℃ for 120 min for annealing, thereby preparing the gel electrode. Then, preparation of an acid electrolyte is carried out: 1g of PVA and 1g H3PO4The acid gel electrolyte was prepared by adding to 10mL of deionized water, and heating at 95 ℃ until the solution became a uniform transparent gel solution. Finally, the electrolyte is uniformly coated between two identical gel electrodes. After drying in air, an elastic gel supercapacitor was obtained.
The electrochemical performance of the super capacitor prepared by the embodiment is similar to that of the super capacitor prepared by the embodiment 1, the elasticity is good, and the performance of the super capacitor does not obviously decline after being compressed for hundreds of times.
Example 6
A mixed solution was prepared by mixing 1g of PEDOT, PSS (pH 1000) and 1g of DEG uniformly in a beaker. 5mL of a concentrated sulfuric acid (98%) solution was added to a cylindrical closed mold having a diameter of 3cm for use. And (3) quickly dripping the mixed solution in the beaker into a mould containing a sulfuric acid solution at one time by using a dropper. After the mixed solution was gradually immersed in the sulfuric acid solution, the mold was sealed and placed in an oil bath at 90 ℃ for 24 hours. Taking the gel product out of the mold, placing on a constant temperature heating table, and heating at 90 ℃ for 30min for annealing, thereby preparing the gel electrode. Then, preparing a neutral electrolyte: 0.85 g LiCl was added to 10mL of deionized water, and stirred uniformly to form a LiCl solution having a concentration of 2M, thereby preparing a neutral gel electrolyte. And finally, placing two identical gel electrodes in a neutral gel electrolyte to obtain the elastic gel supercapacitor.
The electrochemical performance of the super capacitor prepared by the embodiment is similar to that of the super capacitor prepared by the embodiment 1, the elasticity is good, and the performance of the super capacitor does not obviously decline after being compressed for hundreds of times.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (1)
1. The preparation method of the elastic gel supercapacitor is characterized by comprising the following steps: uniformly mixing 1g of PEDOT, PSS and 1g of DEG in a beaker to prepare a mixed solution, adding 5mL of 98% concentrated sulfuric acid solution into a cylindrical closed die with the diameter of 3cm for standby, quickly dripping the mixed solution in the beaker into the die containing the sulfuric acid solution at one time by using a dropper, sealing the die and placing the die in an oil bath at 90 ℃ for 24 hours after the mixed solution is gradually immersed in the sulfuric acid solution, taking out a gel product from the die and placing the gel product on a constant-temperature heating table, and heating the gel product at 90 ℃ for 30min for annealing to prepare a gel electrode; then thePreparation of the acid electrolyte was carried out: 1g of PVA and 1g H3PO4Adding into 10mL deionized water, heating at 95 deg.C until the solution becomes uniform transparent gel solution, thereby preparing acidic gel electrolyte; and finally, uniformly coating the electrolyte between two identical gel electrodes, and drying in the air to obtain the elastic gel supercapacitor.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161316A (en) * | 2015-09-16 | 2015-12-16 | 中国科学院电工研究所 | Flexible super capacitor and preparation method thereof |
| WO2019070814A1 (en) * | 2017-10-03 | 2019-04-11 | University Of South Florida | High specific capacitance solid state supercapacitor and method of manufacture |
| CN109824915A (en) * | 2019-02-02 | 2019-05-31 | 江西科技师范大学 | A kind of preparation method of high-performance conductive polyalcohol hydrogel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161316A (en) * | 2015-09-16 | 2015-12-16 | 中国科学院电工研究所 | Flexible super capacitor and preparation method thereof |
| WO2019070814A1 (en) * | 2017-10-03 | 2019-04-11 | University Of South Florida | High specific capacitance solid state supercapacitor and method of manufacture |
| CN109824915A (en) * | 2019-02-02 | 2019-05-31 | 江西科技师范大学 | A kind of preparation method of high-performance conductive polyalcohol hydrogel |
Non-Patent Citations (2)
| Title |
|---|
| "High-performance free-standing PEDOT:PSS electrodes for flexible and transparent all-solid-state supercapacitors";Tao Cheng,et al.;《J. Mater. Chem. A》;20160610;第4卷;第10493-10499页 * |
| "Ultrahigh-Conductivity Polymer Hydrogels with Arbitrary Structures";Bowen Yao,et al.;《Adv. Mater.》;20170517;第29卷;第1700974页 * |
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