CN112300387A - Preparation method of conductive polymer reinforced flexible carbon aerogel - Google Patents
Preparation method of conductive polymer reinforced flexible carbon aerogel Download PDFInfo
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- CN112300387A CN112300387A CN202011044693.6A CN202011044693A CN112300387A CN 112300387 A CN112300387 A CN 112300387A CN 202011044693 A CN202011044693 A CN 202011044693A CN 112300387 A CN112300387 A CN 112300387A
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- 239000004966 Carbon aerogel Substances 0.000 title claims abstract description 47
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000004964 aerogel Substances 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 5
- 238000011065 in-situ storage Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 20
- 238000007710 freezing Methods 0.000 claims description 20
- 230000008014 freezing Effects 0.000 claims description 20
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 10
- 238000010000 carbonizing Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- PCTXBFQNMDKOSP-UHFFFAOYSA-M sodium;(2-carboxyphenyl) sulfate Chemical compound [Na+].OS(=O)(=O)OC1=CC=CC=C1C([O-])=O PCTXBFQNMDKOSP-UHFFFAOYSA-M 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 abstract description 5
- 239000001913 cellulose Substances 0.000 abstract description 5
- 239000002070 nanowire Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229920000128 polypyrrole Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002194 amorphous carbon material Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention provides a preparation method of conductive polymer reinforced flexible carbon aerogel, which is characterized in that Cellulose Nanowires (CNF) are dried to prepare cellulose aerogel with a three-dimensional porous structure, the cellulose aerogel is carbonized in an inert gas environment to obtain carbon aerogel, and then a conductive polymer is formed on the surface of a carbon aerogel framework by using an in-situ polymerization method, so that the mechanical stability of the carbon aerogel is improved, and the conductivity of the carbon aerogel is improved. The carbon aerogel prepared by the method has the advantages of low density, high specific surface area, excellent mechanical property, good electrical conductivity, good thermal conductivity and the like, and has wide application prospects in the fields of flexible sensing, flexible batteries, photo-thermal conversion, thermoelectric conversion and the like.
Description
The invention belongs to the field of aerogels, and particularly relates to a preparation method of conductive polymer reinforced flexible carbon aerogel.
Background
The carbon aerogel isThe novel light nano porous amorphous carbon material is a solid material with the lowest density. The porosity of the carbon aerogel is as high as 80-90%, and the specific surface area is as high as 500-2The density change range is wide, the structure is adjustable, the material has special performance in the aspects of electricity, thermal, optics and the like, and the material has wide application prospect in the fields of electrode materials, target materials, catalysts, water treatment and the like. Because the preparation period is long, the preparation and practical application of the aerogel has not attracted people for a long time. With the sequential excavation of unique acoustic, optical, electrical and thermal properties, the preparation of the aerogel is strongly concerned by researchers all over the world, and the research on the aerogel is active and gradually permeates into various subject fields such as physics, chemistry, materials, electronics and the like. Due to the uniform controllable nano-scale structure, lower resistivity and huge specific surface area, the nano-scale conductive material has wide commercialization prospect.
The conductive polymer has the characteristics of good conductivity, adjustable conductivity, strong corrosion resistance, good air stability, environmental friendliness, no toxicity, good biocompatibility, light specific gravity, reversible redox property and the like, has wide application prospect in the fields of electronic industry, chemical instruments, electrochemical sensors, optical devices, electrochromic materials, antistatic materials, conductive materials, anticorrosive materials, field emission devices and the like, and is widely concerned by researchers.
The mechanical property of the conductive polymer is difficult to support and is used as a conductive material alone, so other materials with a certain three-dimensional structure are often selected to be compounded with the conductive polymer, and hydrogel and aerogel are common. In recent years, cellulose aerogels have been widely used as porous substrates for conductive polymer materials due to their renewability, wide availability and porosity, imparting mechanical flexibility which is lacking in conductive polymer materials. Meanwhile, the carbon aerogel obtained by carbonization and the conductive high polymer material mutually promote in the aspect of conductivity and enhance the performance.
And polymerizing pyrrole by taking the carbonized CNF aerogel as a substrate to obtain the composite material. The invention takes carbonized cellulose nano-fiber as a framework to obtain the conductive polymer/carbon aerogel. The CNF has excellent biocompatibility and reproducibility as a biological polymer, the conductive polymer also has environment-friendliness and biocompatibility, and the obtained composite carbon aerogel has good conductivity and excellent mechanical properties, so that the CNF can be used in the fields of flexible sensing, flexible batteries, photo-thermal conversion, thermoelectric conversion and the like. The preparation method is simple in preparation process, and the obtained material has better conductivity, more stable mechanical property and better biocompatibility. The method can be widely applied to the fields of flexible sensing, photo-thermal conversion, thermoelectric conversion, industrial production and the like in the future.
Disclosure of Invention
The invention aims to provide a preparation method of conductive polymer reinforced flexible carbon aerogel, which has the advantages of simple preparation, simple and convenient operation, low cost and convenience for large-scale production.
A preparation method of conductive polymer reinforced flexible carbon aerogel comprises the following specific steps:
(1) taking a CNF suspension with a proper concentration, and carrying out ultrasonic treatment and stirring to obtain a suspension;
(2) transferring the suspension obtained in the step (1) to a mold, freezing and drying to obtain aerogel;
(3) placing the aerogel obtained in the step (2) into a tubular furnace, and carbonizing the aerogel at a certain temperature under the protection of inert gas to obtain carbon aerogel;
(4) and (4) polymerizing the conductive polymer onto the carbon aerogel obtained in the step (3) for reaction, and drying to obtain the conductive polymer reinforced carbon aerogel.
In the step (1), the proper amount of the mixture with the concentration of 1.5-2 wt% is stirred for 30-40 min.
The freezing in the freezing and drying method in the step (2) is from bottom to top, and the freezing and drying time in a freezing and drying machine is 48-72 h; the displacement solvent used for normal pressure drying is acetone, the displacement time is 24-36h, and the product is dried in an oven at 50-60 ℃ for 8-12 h.
In the step (3), the inert gas is nitrogen, the carbonization temperature is 800-.
In the step (4), the conductive polymer is one of pyrrole and aniline, the initiator is one or two of ferric trichloride hexahydrate, sodium sulfosalicylate and Ammonium Persulfate (APS), and the polymerization method is in-situ polymerization.
In the step (4), the drying temperature is 50-60 ℃, and the time is 8-12 h.
The conductive polymer reinforced flexible carbon aerogel obtained by the invention is characterized by a chemical structure by using a Fourier infrared spectrometer (FTIR), and the result is as follows:
(1) fourier infrared spectrometer (FTIR) tests show that the conductive polymer is successfully polymerized on the carbon aerogel;
(2) aerogel materials have a large specific surface area;
(3) the aerogel has the properties of high conductivity, good flexibility and the like.
The conductive polymer reinforced flexible carbon aerogel prepared by the invention has excellent mechanical properties, and has wide application range in flexible sensing, flexible batteries, photoelectric conversion, thermoelectric conversion and the like.
The invention has the beneficial effects that:
(1) the invention uses CNF with wide source and simple preparation as raw material, and has the advantages of environmental protection and large surface area;
(2) the invention uses common conductive high molecular polymer, which has functional advantages;
(3) the carbon aerogel is directly prepared by using the initiator, and has the advantages of good conductivity, high mechanical strength, good flexibility, simple preparation method and contribution to large-scale production.
Drawings
FIG. 1 is a pictorial representation of a flexible carbon aerogel reinforced with conductive polymer as prepared in example 1. Fig. 2 is a fourier-infrared spectrometer (FTIR) test chart of the conductive polymer reinforced flexible carbon aerogel prepared in example 1.
The invention is further illustrated below with reference to specific examples. These embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. In addition, after reading the teaching of the present invention, those skilled in the art can make various changes or modifications to the invention, and these equivalents also fall within the scope of the claims appended to the present application.
Example 1
Preparing CNF suspension with solid content of 2% and pouring the CNF suspension into a beaker, performing ultrasonic treatment for 10min, then placing the CNF suspension in a stirring table and stirring for 30min, then pouring the stirred CNF suspension into a prepared mould, taking a copper block as a freezing device, placing the copper block into a proper amount of liquid nitrogen, placing the mould filled with the CNF suspension on the copper block for freezing from bottom to top for 5min, then placing the frozen aerogel frozen by the liquid nitrogen into a freeze dryer for freeze drying at-51 ℃ for 48h to obtain aerogel, carbonizing the aerogel by using a tubular furnace, placing the aerogel into a special high-temperature-resistant mould, sending the aerogel into the tubular furnace, carbonizing at the heating rate of 5 ℃/min, heating to 1000 ℃, preserving heat for 2h, naturally cooling to obtain the carbon aerogel, taking 10ml of 0.1M FeCl3·6H2O aqueous solution and 10ml of 0.1M C7H5NaO6S·2H2Mixing with O water solution, adding carbon aerogel into the above solution, freezing in refrigerator at-10 deg.C for 2 hr, collecting 20ml cyclohexane solution containing 0.1M pyrrole, precooling in refrigerator at-5 deg.C for half an hour, and pouring into FeCl3·6H2O aqueous solution and C7H5NaO6S·2H2And reacting in the O mixed aqueous solution at the temperature of minus 5 ℃ for 24 hours, taking out the reaction product after the reaction is finished, pouring out the liquid, alternately cleaning the polypyrrole/carbon aerogel by using deionized water and ethanol, and finally putting the polypyrrole/carbon aerogel into an oven to dry at the temperature of 60 ℃ for 12 hours.
Example 2
Preparing CNF suspension with solid content of 1.5% and pouring into a beaker, performing ultrasonic treatment for 10min, stirring for 40min on a stirring table, pouring the stirred CNF suspension into a prepared mould, taking a copper block as a freezing device, putting a proper amount of liquid nitrogen, putting the mould filled with the CNF suspension on the copper block for freezing from bottom to top for 5min, putting the frozen aerogel frozen by the liquid nitrogen into a freeze dryer for freeze drying at-51 ℃ for 72h to obtain aerogel, carbonizing the aerogel by using a tubular furnace, putting the aerogel into a special high-temperature-resistant mould, sending into the tubular furnace, carbonizing at the heating rate of 10 ℃/min, heating to 1000 ℃, preserving heat for 1h, naturally cooling to obtain carbon aerogel, immersing the obtained aerogel into 0.1M HCl solution of aniline monomer (pH 2), sealing and standing at low temperature for 2 days, then adding 0.39M APS to react at 0 ℃ for 12h, and filtering, washing, standing in HCl atmosphere for 2h, and drying the sample at 50 ℃ for 8h to obtain the polyaniline/carbon aerogel.
Example 3
Preparing a CNF suspension with a solid content of 2% and pouring the CNF suspension into a beaker, carrying out ultrasonic treatment for 10min, then placing the CNF suspension in a stirring table and stirring for 30min, then pouring the stirred CNF suspension into a prepared mould, taking a copper block as a freezing device, placing the copper block into a proper amount of liquid nitrogen, placing the mould filled with the CNF suspension on the copper block for freezing from bottom to top for 5min, then placing the frozen aerogel into a Soxhlet extractor, pouring a proper amount of acetone for replacing water in the aerogel for drying under normal pressure, replacing the original acetone with new acetone after 12h to obtain aerogel, and then placing the aerogel into an oven for drying at 60 ℃ for 12 h; carbonizing the aerogel by using a tubular furnace, putting the aerogel into a special high-temperature-resistant mold, feeding the aerogel into the tubular furnace, carbonizing at the heating rate of 5 ℃/min, heating to 1000 ℃, preserving heat for 2 hours, and naturally cooling to obtain carbon aerogel; 10ml of 0.1M FeCl were taken3·6H2O aqueous solution and 10ml of 0.1M C7H5NaO6S·2H2Mixing with O water solution, adding carbon aerogel into the above solution, freezing in refrigerator at-10 deg.C for 2 hr, collecting 20ml cyclohexane solution containing 0.1M pyrrole, precooling in refrigerator at-5 deg.C for half an hour, and pouring into FeCl3·6H2O aqueous solution and C7H5NaO6S·2H2And reacting in the O mixed aqueous solution at the temperature of minus 5 ℃ for 24 hours, taking out the reaction product after the reaction is finished, pouring out the liquid, alternately cleaning the polypyrrole/carbon aerogel by using deionized water and ethanol, and finally putting the polypyrrole/carbon aerogel into an oven to dry at the temperature of 60 ℃ for 12 hours.
Example 4
Preparing a CNF suspension with a solid content of 2% and pouring the CNF suspension into a beaker, carrying out ultrasonic treatment for 10min, then placing the CNF suspension in a stirring table and stirring for 30min, then pouring the stirred CNF suspension into a prepared mould, taking a copper block as a freezing device, placing the copper block into a proper amount of liquid nitrogen, placing the mould filled with the CNF suspension on the copper block for freezing from bottom to top for 5min, then placing the frozen aerogel into a Soxhlet extractor, pouring a proper amount of acetone for replacing water in the aerogel for drying under normal pressure, replacing the original acetone with new acetone after 12h to obtain aerogel, and then placing the aerogel into an oven for drying at 60 ℃ for 12 h; carbonizing the aerogel by using a tubular furnace, putting the aerogel into a special high-temperature-resistant mold, sending the aerogel into the tubular furnace, carbonizing at the heating rate of 5 ℃/min, heating to 800 ℃, preserving heat for 2 hours, naturally cooling to obtain a carbon aerogel, immersing the obtained carbon aerogel into 0.1M HCl solution of aniline monomer (pH is 2), sealing and placing at low temperature for 2 days, then adding 0.39M APS to react at 0 ℃ for 12 hours, filtering, washing, standing in HCl atmosphere for 2 hours, and drying a sample at 50 ℃ for 10 hours to obtain the polyaniline/carbon aerogel.
Claims (6)
1. A method for preparing a conductive polymer reinforced flexible carbon aerogel, comprising the steps of:
(1) taking a CNF suspension with a proper concentration, and carrying out ultrasonic treatment and stirring to obtain a suspension;
(2) transferring the suspension obtained in the step (1) to a mold, freezing and drying to obtain aerogel;
(3) placing the aerogel obtained in the step (2) into a tubular furnace, and carbonizing the aerogel at a certain temperature under the protection of inert gas to obtain carbon aerogel;
(4) and (4) polymerizing the conductive polymer onto the carbon aerogel obtained in the step (3) for reaction, and drying to obtain the conductive polymer reinforced carbon aerogel.
2. The method of preparing a conductive polymer reinforced flexible carbon aerogel according to claim 1, wherein: in the step (1), the proper amount of the mixture with the concentration of 1.5-2 wt% is stirred for 30-40 min.
3. The method of preparing a conductive polymer reinforced flexible carbon aerogel according to claim 1, wherein: the freezing in the freezing and drying method in the step (2) is from bottom to top, and the freezing and drying time in a freezing and drying machine is 48-72 h; the displacement solvent used for normal pressure drying is acetone, the displacement time is 24-36h, and the product is dried in an oven at 50-60 ℃ for 8-12 h.
4. The method of preparing a conductive polymer reinforced flexible carbon aerogel according to claim 1, wherein: in the step (3), the inert gas is nitrogen, the carbonization temperature is 800-.
5. The method of preparing a conductive polymer reinforced flexible carbon aerogel according to claim 1, wherein: in the step (4), the conductive polymer is one of pyrrole and aniline, the initiator is one of ferric trichloride hexahydrate, sodium sulfosalicylate and Ammonium Persulfate (APS), and the polymerization method is in-situ polymerization.
6. The method of preparing a conductive polymer reinforced flexible carbon aerogel according to claim 1, wherein: in the step (4), the drying temperature is 50-60 ℃, and the time is 8-12 h.
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|---|---|---|---|---|
| CN114506839A (en) * | 2022-02-24 | 2022-05-17 | 西安理工大学 | Electrically conductive aerogel sheet and method of making same |
| CN115341302A (en) * | 2022-07-01 | 2022-11-15 | 东华大学 | Preparation method of sheath-core photo-thermal conversion-heat storage temperature-adjusting polyester fiber |
| CN115341302B (en) * | 2022-07-01 | 2023-10-31 | 东华大学 | Preparation method of sheath-core type photo-thermal conversion-heat storage temperature regulation polyester fiber |
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