CN109065212B - Preparation method of conductive solution of conductive electrode and preparation method of conductive electrode - Google Patents
Preparation method of conductive solution of conductive electrode and preparation method of conductive electrode Download PDFInfo
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
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Abstract
The method comprises the steps of polymerizing acrylic esters and styrene sulfonate to form a polymer, adding a proper amount of deionized water to form a first solution, fully dispersing conductive polymer monomer EDOT into the first solution to perform chemical reaction to form a second solution-PEDOT-polymer solution, adding a proper amount of silicon-containing aqueous solution into the second solution to form a third solution, uniformly coating the third solution on the flexible substrate subjected to UV treatment in a coating mode, and finally curing. During curing, the polymer in the PEDOT-polymer has natural affinity on the surface of the flexible substrate, so that the PEDOT-polymer is gradually deposited on the surface of the substrate in the curing process, and the silicon-containing substances are extruded to the upper layer, so that the effect after curing is that the lower layer is a conductive layer, and the surface layer is a hydrolyzed silicon dioxide network, thereby having an insulation protection effect.
Description
[ field of technology ]
The invention relates to a flexible conductive electrode, in particular to a preparation method of a conductive solution of a conductive electrode and a preparation method of the conductive electrode.
[ background Art ]
In flexible display devices such as flexible LCDs and flexible electronic papers, conductive electrodes are generally provided inside the flexible display devices. Such conductive electrodes are typically formed by coating a conductive solution onto a flexible substrate. In the prior art, the conductive solution used for such flexible transparent conductive electrodes is typically a polythiophene solution, which forms a polythiophene conductive layer when coated on a flexible substrate. The prior polythiophene is used as a conductive electrode, and can fail due to contact of moisture or volatile solvents in the air; secondly, the conventional PEDOT/PSS takes PSS as the equalizing ion, so that the whole PEDOT/PSS has strong acidity, thereby restricting the application in the aspects of electron, display and the like, and simultaneously has lower conductivity per se; on the other hand, when such a conductive solution is applied, the adhesion to a flexible substrate is relatively low. In addition, when the conventional conductive electrode is applied to a liquid crystal handwriting board, a flexible LCD (liquid crystal display) and flexible electronic paper, the thickness of the conventional conductive electrode is 3-8 microns, so that local short circuit can be caused in actual production and manufacture, and the whole device is easy to fail.
[ invention ]
The present invention is directed to solving the above-mentioned problems and providing a novel method for preparing a conductive solution for a conductive electrode. In addition, the invention also provides a preparation method of the conductive electrode.
In order to achieve the above object, the present invention provides a method for preparing a conductive solution for a conductive electrode, which is characterized by comprising the steps of:
s1, mixing the following components in parts by weight: 3-5, polymerizing styrene sulfonate and acrylic esters to form a polymer;
s2, adding a proper amount of deionized water into the polymer formed in the step S1 to form a first solution with the concentration of 0.1-0.3 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution; the mol part ratio of the conductive polymer monomer to the polymer is 1-3: 100-120;
s4, adding the aqueous solution containing silicon into the second solution to form a third solution; the weight part ratio of the silicon-containing aqueous solution to the second solution is 1-3: 7 to 9.
Further, step S1 includes:
s11, placing acrylic esters, styrene sulfonate, a solvent and an initiator into a reaction container, and reacting for 10-14 h at the temperature of 80-100 ℃; 14-16 parts of acrylic esters and styrene sulfonate, and 83-85 parts of solvent; the weight part of the initiator is 1-2;
s12, distilling under reduced pressure for 4-6 hours, and dialyzing with deionized water for 22-26 hours;
s13, removing water by reduced pressure distillation, and then carrying out vacuum drying at 70-90 ℃ for 22-26 hours to obtain a dried polymer.
Further, the solvent comprises one or more of N, N-dimethylacetamide and N, N-dimethylformamide; the initiator comprises one or more of BPO and LPO.
Further, step S3 includes:
s31, adding the conductive polymer monomer with the proportion into the first solution, and performing ultrasonic dispersion for 0.5-1.5 h to form a dispersion liquid;
s32, adding ammonium persulfate solution into the dispersion liquid, and reacting for 22-26 hours at room temperature; the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 1-2: 1 to 2;
s33, dialyzing for 70-74 h by using deionized water, and removing unreacted substances to obtain the second solution.
Further, the aqueous solution containing silicon comprises water-soluble SiO 2 One or more of a solution, a silica sol, a silicate solution.
Further, the conductive polymer monomer is EDOT.
Further, the acrylic ester comprises one or more of amyl acrylate and butyl acrylate; the styrene sulfonate comprises one or more of sodium styrene sulfonate and calcium styrene sulfonate.
In addition, the invention also provides a preparation method of the conductive electrode, which is characterized by comprising the following steps:
A. subjecting the flexible substrate to UV treatment: at a light intensity of 3-11 mW/cm 2 Irradiating for 1-11 min under the UV lamp;
B. stirring the conductive solution of the conductive electrode according to claims 1-7 at room temperature for 22-26 hours, and then uniformly coating the conductive solution of the conductive electrode on the flexible substrate subjected to UV treatment by using a coating machine;
C. pre-curing for 9-11 min at the temperature of 80-100 ℃;
D. solidifying for 4-6 min at 140-160 ℃;
E. curing for 9-11 min at 55-65 ℃.
Further, the UV lamp is Sup>A UV-A lamp with the wavelength of 365 nm; the coater is a micro-concave coater.
Further, the flexible substrate is one or more of a PET film and a PC film.
The present invention has an advantageous contribution in that it effectively solves the above-mentioned problems. The conductive solution prepared by the preparation method of the conductive solution of the conductive electrode can be effectively adhered to a flexible substrate by coating methods such as dimple, slit and knife coating, a conductive layer can be formed after the conductive solution is dried, and an insulating protective layer mainly containing silicon element is formed on the surface of the conductive layer, so that the conductive solution can play a role in insulating protection, short circuit caused by direct contact between the conductive layer and the conductive layer is avoided, and the problem that the conductive electrode fails when meeting water in air is prevented.
[ detailed description ] of the invention
The following examples are further illustrative and supplementary of the present invention and are not intended to limit the invention in any way.
The main points of the invention are that after the polymer is formed by polymerization of acrylic esters and styrene sulfonate, a proper amount of deionized water is added to form a first solution, then conductive polymer monomer EDOT is fully dispersed into the first solution to carry out chemical reaction to form a second solution-PEDOT-polymer solution, then a proper amount of aqueous solution containing silicon is added into the second solution to form a third solution, then the third solution is uniformly coated on the flexible substrate treated by UV in a coating mode, and finally solidification is carried out. During curing, the polymer in the PEDOT-polymer is naturally affinitive to the surface of the PET resin of the flexible substrate, so that the PEDOT-polymer is gradually deposited on the surface of the resin in the curing process, and silicon-containing substances are extruded to the upper layer, so that the effect after curing is that the lower layer is a conductive layer, the surface layer is a hydrolyzed silicon network, the silicon network of the surface layer has a protective effect on one hand, and on the other hand, the conductive layer and the conductive layer of the ultrathin flexible device can be prevented from being in direct contact. For a more detailed description of the invention, the following description of various embodiments is provided:
example 1
The preparation method of the conductive solution of the conductive electrode in this embodiment comprises the following steps:
s1, polymerizing styrene sulfonate and acrylic ester to form a polymer:
the weight portion ratio is 6:4 and amyl acrylate, and then adding solvent and initiator to make resin monomer react for 12h at 90 deg.C for polymerization. Wherein sodium styrenesulfonate and amyl acrylate are resin monomers, N.N-dimethylacetamide is selected as the solvent, and BPO is selected as the initiator. The addition amounts of the resin monomer, the solvent and the initiator are as follows: the resin monomer accounts for 15% of the total weight, the solvent accounts for 84% of the total weight, and the initiator accounts for 1% of the total weight. After the polymerization reaction is finished, carrying out reduced pressure distillation for 5 hours by using a reduced pressure distillation method so as to evaporate most of the solvent; dialyzing with deionized water for 24 hours to remove unreacted resin monomers and other impurities so as to obtain a polymer with higher purity; the polymer was then distilled under reduced pressure to remove water. Finally, the remaining material was dried in vacuo at 80 ℃ for 24 hours to obtain a dried polymer.
S2, dissolving the dried polymer in deionized water to prepare a first solution with the concentration of 0.1 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution:
adding conductive polymer monomer EDOT into the first solution, and performing ultrasonic dispersion for 1h to form EODT-polymer dispersion; in this process, the addition amount of the conductive polymer monomer is added according to the amount of the polymer, and in this embodiment, the molar ratio of the conductive polymer monomer to the polymer is 2:100; for example, when the polymer is 0.1mol, the addition amount of the conductive polymer monomer is 2mmol. After the EODT-polymer dispersion liquid is formed by ultrasonic dispersion, adding an ammonium persulfate solution into the EODT-polymer dispersion liquid, and reacting for 24 hours at room temperature to form a PEDOT-polymer solution; the ammonium persulfate solution is used for providing an acidic environment, and in this embodiment, the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 1:1, for example, when the addition amount of the conductive polymer monomer is 2mmol, the addition amount of the ammonium persulfate solution is 2mmol. After the completion of the reaction, dialysis was performed for 72 hours to remove unreacted matters, so as to obtain a purified second solution, PEDOT-polymer solution.
S4, adding the aqueous solution containing silicon into the second solution to form a third solution; in this embodiment, the aqueous solution containing silicon is water-soluble SiO 2 The weight part ratio of the solution to the second solution is 1:8.
the third solution prepared by the above method is a conductive solution which can be used for a flexible transparent conductive electrode, and the flexible transparent conductive electrode can be prepared by coating by the following method:
A. subjecting the flexible substrate to UV treatment: at an intensity of 10mW/cm 2 Irradiating under Sup>A UV-A lamp with Sup>A wavelength of 365nm for 10min; in this embodiment, the flexible substrate is a PET film. The step can eliminate grease dirt on the surface of the flexible substrate, so that the surface energy of the flexible substrate is lower, and the surface coating is facilitated.
B. Mechanically stirring the third solution at room temperature for 24 hours, then placing the third solution into a micro-concave coating machine, and uniformly coating the third solution on the flexible substrate subjected to UV treatment by using the coating machine;
C. after coating, pre-curing for 10min at 90 ℃;
D. then curing for 5min at a high temperature of 150 ℃;
E. finally curing for 10min at 60 ℃.
During curing, the PET resin surface of the flexible substrate has natural affinity to the polymer in the PEDOT-polymer, so that the PEDOT-polymer is gradually deposited on the surface of the flexible substrate during the curing process, and SiO 2 The substance is displaced to the upper layer, i.e. the side opposite the flexible substrate. So that the effect after curing is that the side close to the flexible substrate is a conductive layer and the side far from the flexible substrate is hydrolyzed SiO 2 A network. The SiO is 2 The network has insulation protection function, which can not only avoid short circuit caused by direct contact between the conductive layer and the conductive layer, but also prevent the conductive electrode from losing efficacy when meeting water in the air.
Example 2
The preparation method of the conductive solution of the conductive electrode in this embodiment comprises the following steps:
s1, polymerizing styrene sulfonate and acrylic ester to form a polymer:
the weight portion ratio is 5:3 and butyl acrylate, and then adding a solvent and an initiator, and allowing the resin monomer to react at 80 ℃ for 14 hours for polymerization. Wherein sodium styrenesulfonate and butyl acrylate are resin monomers, N.N-dimethylformamide is selected as the solvent, and LPO is selected as the initiator. The addition amounts of the resin monomer, the solvent and the initiator are as follows: the resin monomer accounts for 14% of the total weight, the solvent accounts for 85% of the total weight, and the initiator accounts for 1% of the total weight. After the polymerization reaction is finished, carrying out reduced pressure distillation for 4 hours by using a reduced pressure distillation method so as to evaporate most of the solvent; dialyzing with deionized water for 22h to remove unreacted resin monomer and other impurities so as to obtain a polymer with higher purity; the polymer was then distilled under reduced pressure to remove water. Finally, the remaining material was dried in vacuo at a temperature of 70 ℃ for 26 hours to obtain a dried polymer.
S2, dissolving the dried polymer in deionized water to prepare a first solution with the concentration of 0.2 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution:
adding conductive polymer monomer EDOT into the first solution, and performing ultrasonic dispersion for 0.5h to form EODT-polymer dispersion; in this process, the addition amount of the conductive polymer monomer is added according to the amount of the polymer, and in this embodiment, the molar part ratio of the conductive polymer monomer to the polymer is 1:100; for example, when the polymer is 0.1mol, the addition amount of the conductive polymer monomer is 1mmol. After the EODT-polymer dispersion liquid is formed by ultrasonic dispersion, adding an ammonium persulfate solution into the EODT-polymer dispersion liquid, and reacting for 22 hours at room temperature to form a PEDOT-polymer solution; the ammonium persulfate solution is used for providing an acidic environment, and in this embodiment, the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 1:2, for example, when the addition amount of the conductive polymer monomer is 1mmol, the addition amount of the ammonium persulfate solution is 0.5mmol. After the completion of the reaction, dialysis was performed for 70 hours to remove unreacted matters, so as to obtain a purified second solution, PEDOT-polymer solution.
S4, adding the aqueous solution containing silicon into the second solution to form a third solution; in this embodiment, the silicon-containing aqueous solution is a silica sol, and the weight ratio of the silica sol to the second solution is 1:7.
the third solution prepared by the above method is a conductive solution which can be used for a flexible transparent conductive electrode, and the flexible transparent conductive electrode can be prepared by coating by the following method:
A. subjecting the flexible substrate to UV treatment: at a light intensity of 8mW/cm 2 Irradiating under Sup>A UV-A lamp with Sup>A wavelength of 365nm for 6min; in this embodiment, the flexible substrate is a PET film. The step can eliminate grease dirt on the surface of the flexible substrate, so that the surface energy of the flexible substrate is lower, and the surface coating is facilitated.
B. Mechanically stirring the third solution at room temperature for 22 hours, then placing the third solution into a micro-concave coating machine, and uniformly coating the third solution on the flexible substrate subjected to UV treatment by using the coating machine;
C. after coating, pre-curing for 11min at 80 ℃;
D. then curing for 6min at a high temperature of 140 ℃;
E. finally curing for 11min at 55 ℃.
During curing, the PET resin surface of the flexible substrate has natural affinity to the polymer in the PEDOT-polymer, so that the PEDOT-polymer is gradually deposited on the surface of the flexible substrate during the curing process, and SiO 2 The substance is displaced to the upper layer, i.e. the side opposite the flexible substrate. So that the effect after curing is that the side close to the flexible substrate is a conductive layer and the side far from the flexible substrate is hydrolyzed SiO 2 A network. The SiO is 2 The network has insulation protection function, which can not only avoid short circuit caused by direct contact between the conductive layer and the conductive layer, but also prevent the conductive electrode from losing efficacy when meeting water in the air.
Example 3
The preparation method of the conductive solution of the conductive electrode in this embodiment comprises the following steps:
s1, polymerizing styrene sulfonate and acrylic ester to form a polymer:
the weight portion ratio is 7:5 and butyl acrylate, and then adding a solvent and an initiator, and allowing the resin monomer to react at 100 ℃ for 10 hours for polymerization. Wherein, the calcium styrenesulfonate and butyl acrylate are resin monomers, the solvent is N.N-dimethylacetamide, and the initiator is LPO. The addition amounts of the resin monomer, the solvent and the initiator are as follows: the resin monomer accounts for 15% of the total weight, the solvent accounts for 83% of the total weight, and the initiator accounts for 2% of the total weight. After the polymerization reaction is finished, carrying out reduced pressure distillation for 6 hours by using a reduced pressure distillation method so as to evaporate most of the solvent; dialyzing with deionized water for 26 hours to remove unreacted resin monomers and other impurities so as to obtain a polymer with higher purity; the polymer was then distilled under reduced pressure to remove water. Finally, the remaining material was dried in vacuo at a temperature of 90 ℃ for 22 hours to obtain a dried polymer.
S2, dissolving the dried polymer in deionized water to prepare a first solution with the concentration of 0.3 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution:
adding conductive polymer monomer EDOT into the first solution, and performing ultrasonic dispersion for 1.5 hours to form EODT-polymer dispersion; in this process, the addition amount of the conductive polymer monomer is added according to the amount of the polymer, and in this embodiment, the molar part ratio of the conductive polymer monomer to the polymer is 3:120; after the EODT-polymer dispersion liquid is formed by ultrasonic dispersion, adding an ammonium persulfate solution into the EODT-polymer dispersion liquid, and reacting for 26 hours at room temperature to form a PEDOT-polymer solution; the ammonium persulfate solution is used for providing an acidic environment, and in this embodiment, the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 2:1, for example, when the addition amount of the conductive polymer monomer is 1mmol, the addition amount of the ammonium persulfate solution is 2mmol. After the completion of the reaction, dialysis was performed for 74 hours to remove unreacted matters, so as to obtain a purified second solution, PEDOT-polymer solution.
S4, adding the aqueous solution containing silicon into the second solution to form a third solution; in this embodiment, the aqueous solution containing silicon is sodium silicate solution, and the weight ratio of the sodium silicate solution to the second solution is 3:9.
the third solution prepared by the above method is a conductive solution which can be used for a flexible transparent conductive electrode, and the flexible transparent conductive electrode can be prepared by coating by the following method:
A. subjecting the flexible substrate to UV treatment: at an intensity of 3mW/cm 2 Irradiating under Sup>A UV-A lamp with Sup>A wavelength of 365nm for 11min; in this embodiment, the flexible substrate is a PET film. The step can eliminate grease dirt on the surface of the flexible substrate, so that the surface energy of the flexible substrate is lower, and the surface coating is facilitated.
B. Mechanically stirring the third solution at room temperature for 26 hours, then placing the third solution into a micro-concave coating machine, and uniformly coating the third solution on the flexible substrate subjected to UV treatment by using the coating machine;
C. after coating, pre-curing for 9min at the temperature of 100 ℃;
D. then curing for 4min at a high temperature of 160 ℃;
E. finally curing for 9min at 65 ℃.
During curing, the PET resin surface of the flexible substrate has natural affinity to the polymer in the PEDOT-polymer, so that the PEDOT-polymer is gradually deposited on the surface of the flexible substrate during the curing process, and SiO 2 The substance is displaced to the upper layer, i.e. the side opposite the flexible substrate. So that the effect after curing is that the side close to the flexible substrate is a conductive layer and the side far from the flexible substrate is hydrolyzed SiO 2 A network. The SiO is 2 The network has insulation protection function, which can not only avoid short circuit caused by direct contact between the conductive layer and the conductive layer, but also prevent the conductive electrode from losing efficacy when meeting water in the air.
Example 4
The preparation method of the conductive solution of the conductive electrode in this embodiment comprises the following steps:
s1, polymerizing sodium styrene sulfonate and acrylic esters to form a polymer:
the weight portion ratio is 6:5 and amyl acrylate, and then adding solvent and initiator to make the resin monomer react for 13h at 90 deg.C for polymerization. Wherein, the calcium styrenesulfonate and the amyl acrylate are resin monomers, the solvent is N.N-dimethylformamide, and the initiator is BPO. The addition amounts of the resin monomer, the solvent and the initiator are as follows: the resin monomer accounts for 16% of the total weight, the solvent accounts for 83% of the total weight, and the initiator accounts for 1% of the total weight. After the polymerization reaction is finished, carrying out reduced pressure distillation for 5 hours by using a reduced pressure distillation method so as to evaporate most of the solvent; dialyzing with deionized water for 25h to remove unreacted resin monomer and other impurities so as to obtain a polymer with higher purity; the polymer was then distilled under reduced pressure to remove water. Finally, the remaining material was dried in vacuo at a temperature of 85 ℃ for 23h to obtain a dried polymer.
S2, dissolving the dried polymer in deionized water to prepare a first solution with the concentration of 0.15 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution:
adding conductive polymer monomer EDOT into the first solution, and performing ultrasonic dispersion for 1h to form EODT-polymer dispersion; in this process, the addition amount of the conductive polymer monomer is added according to the amount of the polymer, and in this embodiment, the molar ratio of the conductive polymer monomer to the polymer is 2:110; after the EODT-polymer dispersion liquid is formed by ultrasonic dispersion, adding an ammonium persulfate solution into the EODT-polymer dispersion liquid, and reacting for 25 hours at room temperature to form a PEDOT-polymer solution; the ammonium persulfate solution is used for providing an acidic environment, and in this embodiment, the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 1:1 for example, when the addition amount of the conductive polymer monomer is 1mmol, the addition amount of the ammonium persulfate solution is 1mmol. After the completion of the reaction, dialysis was performed for 73 hours to remove unreacted matters, so as to obtain a purified second solution, PEDOT-polymer solution.
S4, adding the aqueous solution containing silicon into the second solution to form a third solution; in this embodiment, the aqueous solution containing silicon is water-soluble SiO 2 The weight part ratio of the solution to the second solution is 1:9.
the third solution prepared by the above method is a conductive solution which can be used for a flexible transparent conductive electrode, and the flexible transparent conductive electrode can be prepared by coating by the following method:
A. subjecting the flexible substrate to UV treatment: at a light intensity of 11mW/cm 2 Irradiating under Sup>A UV-A lamp with Sup>A wavelength of 365nm for 1min; in this embodiment, the flexible substrate is a PC film. The step can eliminate grease dirt on the surface of the flexible substrate, so that the surface energy of the flexible substrate is lower, and the surface coating is facilitated.
B. Mechanically stirring the third solution at room temperature for 15 hours, then placing the third solution into a micro-concave coating machine, and uniformly coating the third solution on the flexible substrate subjected to UV treatment by using the coating machine;
C. after coating, pre-curing for 10min at the temperature of 95 ℃;
D. then curing for 5min at a high temperature of 150 ℃;
E. finally curing for 10min at 60 ℃.
During curing, the PEDOT-polymer gradually deposits on the surface of the flexible substrate during curing, and SiO is deposited on the surface of the flexible substrate due to the natural affinity of the PC film surface of the flexible substrate to the polymer in the PEDOT-polymer 2 The substance is displaced to the upper layer, i.e. the side opposite the flexible substrate. So that the effect after curing is that the side close to the flexible substrate is a conductive layer and the side far from the flexible substrate is hydrolyzed SiO 2 A network. The SiO is 2 The network has insulation protection function, which can not only avoid short circuit caused by direct contact between the conductive layer and the conductive layer, but also prevent the conductive electrode from losing efficacy when meeting water in the air.
Although the present invention has been disclosed by the above embodiments, the scope of the present invention is not limited thereto, and each of the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. A method for preparing a conductive solution for a conductive electrode, comprising the steps of:
s1, mixing the following components in parts by weight: 3-5, polymerizing styrene sulfonate and acrylic esters to form a polymer;
s2, adding a proper amount of deionized water into the polymer formed in the step S1 to form a first solution with the concentration of 0.1-0.3 mol/L;
s3, dispersing conductive polymer monomers into the first solution to form a second solution; the mol part ratio of the conductive polymer monomer to the polymer is 1-3: 100-120;
s4, adding the aqueous solution containing silicon into the second solution to form a third solution; the weight part ratio of the silicon-containing aqueous solution to the second solution is 1-3: 7 to 9.
2. The method for preparing a conductive solution for a conductive electrode according to claim 1, wherein step S1 comprises:
s11, placing acrylic esters, styrene sulfonate, a solvent and an initiator into a reaction container, and reacting for 10-14 h at the temperature of 80-100 ℃; 14-16 parts of acrylic esters and styrene sulfonate, and 83-85 parts of solvent; the weight part of the initiator is 1-2;
s12, distilling under reduced pressure for 4-6 hours, and dialyzing with deionized water for 22-26 hours;
s13, removing water by reduced pressure distillation, and then carrying out vacuum drying at 70-90 ℃ for 22-26 hours to obtain a dried polymer.
3. The method for preparing a conductive solution for a conductive electrode according to claim 2, wherein the solvent comprises one or more of n.n-dimethylacetamide and n.n-dimethylformamide; the initiator comprises one or more of BPO and LPO.
4. The method for preparing a conductive solution for a conductive electrode according to claim 1, wherein step S3 comprises:
s31, adding the conductive polymer monomer into the first solution, and performing ultrasonic dispersion for 0.5-1.5 h to form a dispersion liquid;
s32, adding ammonium persulfate solution into the dispersion liquid, and reacting for 22-26 hours at room temperature; the molar part ratio of the ammonium persulfate solution to the conductive polymer monomer is 1-2: 1 to 2;
s33, dialyzing for 70-74 h by using deionized water, and removing unreacted substances to obtain the second solution.
5. The method for producing a conductive solution for a conductive electrode according to claim 1, wherein the aqueous solution containing silicon comprises water-soluble SiO 2 One or more of a solution, a silica sol, a silicate solution.
6. The method of preparing a conductive solution for a conductive electrode according to claim 1, wherein the conductive polymer monomer is EDOT.
7. The method for preparing a conductive solution for a conductive electrode according to claim 1, wherein the acrylic acid esters include one or more of amyl acrylate and butyl acrylate; the styrene sulfonate comprises one or more of sodium styrene sulfonate and calcium styrene sulfonate.
8. A method for preparing a conductive electrode, comprising the steps of:
A. subjecting the flexible substrate to UV treatment: at a light intensity of 3-11 mW/cm 2 Irradiating for 1-11 min under the UV lamp;
B. stirring the conductive solution of the conductive electrode according to claims 1-7 at room temperature for 22-26 hours, and then uniformly coating the conductive solution of the conductive electrode on the flexible substrate subjected to UV treatment by using a coating machine;
C. pre-curing for 9-11 min at the temperature of 80-100 ℃;
D. solidifying for 4-6 min at 140-160 ℃;
E. curing for 9-11 min at 55-65 ℃.
9. The method of manufacturing Sup>A conductive electrode according to claim 8, wherein the UV lamp is Sup>A UV-Sup>A lamp having Sup>A wavelength of 365 nm; the coater is a micro-concave coater.
10. The method of manufacturing a conductive electrode according to claim 8, wherein the flexible substrate is one or more of a PET film and a PC film.
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