CN107523988B - W18O49Coated carbon fiber composite material and preparation method thereof - Google Patents
W18O49Coated carbon fiber composite material and preparation method thereof Download PDFInfo
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- CN107523988B CN107523988B CN201710602198.4A CN201710602198A CN107523988B CN 107523988 B CN107523988 B CN 107523988B CN 201710602198 A CN201710602198 A CN 201710602198A CN 107523988 B CN107523988 B CN 107523988B
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- 239000004917 carbon fiber Substances 0.000 title claims abstract description 70
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 62
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 49
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000002086 nanomaterial Substances 0.000 claims abstract description 28
- 238000004729 solvothermal method Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 230000001476 alcoholic effect Effects 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002243 precursor Substances 0.000 claims description 10
- 150000003658 tungsten compounds Chemical class 0.000 claims description 10
- 230000035484 reaction time Effects 0.000 claims description 9
- 229910003091 WCl6 Inorganic materials 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 abstract description 13
- 238000000576 coating method Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 238000010923 batch production Methods 0.000 abstract description 4
- 239000002114 nanocomposite Substances 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 239000010406 cathode material Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910001930 tungsten oxide Inorganic materials 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 150000003657 tungsten Chemical class 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a W18O49A coated carbon fibre composite material is prepared from carbon fibres through solvent-thermal method to grow W18O49Coating carbon fiber composite material, coating growth monoclinic phase W on carbon fiber by solvothermal method18O49The nano material does not need any template or catalyst in the solvothermal preparation process, has simple process, high yield and low cost, and is suitable for batch production; direct growth of W on carbon cloth18O49The nano-composite material prepared by the nano-composite material has uniform shape and compact coating, and can be used as a cathode material of photocatalysis, electrocatalysis, solar cells, flexible sensors, field emission and lithium ion batteries.
Description
Technical Field
The invention belongs to the field of nano materials, and relates to a W18O49A coated carbon fiber composite material and a preparation method thereof.
Background
With the continuous development of science and technology, electronic products and intelligent devices are continuously developed towards miniaturization and light weight, and flexible electronic products are applied to various fields of people's life, such as wearable electronic devices and flexible display devices. The carbon fiber has good flexibility, can be woven into carbon cloth, and can be widely applied to the fields of various batteries, super capacitors and the like as a flexible electrode. W18O49Is defective tungsten oxide, an important semiconductor functional material, W18O49The nano material is widely used as a solar cell, a lithium ion battery display device, a sensitive device, a photoelectric device, a photocatalytic material, an electro-catalytic material and the like. Mixing carbon cloth with W18O49W is formed by compounding nano materials18O49Compared with a single material, the coated carbon cloth composite material has obvious improvement in the aspects of photocatalysis, lithium battery, super capacitor and the like, so that W is regulated and controlled18O49The growth of the nano material can obtain the nano composite material with good quality and a coating structure, and has important significance in the application. At present, researchers have engaged in the preparation of carbon fiber and tungsten oxide composite materials and achieved certain results, for example, chinese patent CN106423144A discloses a carbon fiber @ tungsten oxide nanoparticle core-shell composite structure and a preparation method thereof, which is prepared by heating and soaking at high temperature in a vacuum furnace under the action of carrier gas and then in WO3And annealing the carbon fiber of the suspension in the air at a low temperature to obtain the composite material, wherein the preparation process is relatively complicated, a high-temperature environment is required for reaction, and the obtained tungsten oxide is nano-crystalline particles, so that the directional growth is not realized, and the properties and the application of the material are limited.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention provides a W18O49The coated carbon fiber composite material and the preparation method thereof have simple process and low reaction temperature, and the W prepared by the invention18O49The nanometer material has uniform morphology and grows on the surface of the carbon fiber in order, which is beneficial to improving the property of the material.
In order to solve the problems, the invention adopts the technical scheme that:
w18O49The coated carbon fiber composite material comprises carbon fibers and W coated on the surfaces of the carbon fibers by adopting a solvothermal method18O49And (3) nano materials.
In one possible form, the carbon fiber is in the form of a carbon cloth, the type of which is WOS 1002.
W18O49The preparation method of the coated carbon fiber composite material adopts a solvothermal method to grow W on the surface of carbon fiber18O49And (3) nano materials.
Specifically, the solvent thermal method is adopted to grow W on the surface of the carbon fiber18O49The nano material comprises: taking an alcoholic solution containing a tungsten compound as a precursor solution, taking carbon fibers as a reaction source, and carrying out a solvothermal reaction at the temperature of 160-200 ℃ for 3-24 hours.
Or growing W on the surface of the carbon fiber by adopting a solvothermal method18O49The nano material comprises: and (2) carrying out solvothermal reaction by taking an alcohol solution containing a tungsten compound as a precursor solution and carbon cloth as a reaction source, wherein the reaction temperature is 160-200 ℃, and the reaction time is 3-24 h.
Preferably, the microwave-assisted solvothermal method is adopted to grow W on the surface of the carbon cloth18O49The nano material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 160 ℃, and the reaction time is 3 hours.
Preferably, the microwave-assisted solvothermal method is adopted to grow W on the surface of the carbon cloth18O49The nano material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 180 ℃, and the reaction time is 10 hours.
Preferably, the microwave-assisted solvothermal method is adopted to grow W on the surface of the carbon cloth18O49The nano material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 200 ℃, and the reaction time is 24 hours.
Specifically, the tungsten-containing compound is WCl6The concentration of the alcoholic solution of the tungsten-containing compound is 4 g/L-12 g/L.
More specifically, the alcohol solution of the tungsten-containing compound is an ethanol solution of the tungsten-containing compound.
The invention has the advantages that:
(1) w prepared by the invention18O49The coated carbon fiber composite material is prepared by growing W on carbon fiber with the diameter of 10 mu m18O49Nanomaterial, W18O49The nano material coated carbon fiber has high structure density and controllable composition and appearance, can be directly used after preparation without post treatment, and has a microstructure of W18O49The carbon cloth-coated composite material has large specific surface area, and can be used as a flexible sensor, W18O49The carbon material coated carbon fiber composite material enables electrons to be rapidly conducted due to the existence of the carbon material, the recombination probability of photon-generated carriers is reduced, and electron hole pairs are effectively separated, so that the service life of the carriers and the carrier concentration are increased, and W is enabled to be W18O49The coated carbon fiber composite material has excellent photocatalytic performance.
(2) In the invention, W is prepared18O49When the carbon fiber composite material is coated, the solvent thermal method is adopted to coat and grow W on the carbon fiber18O49The nano material does not need any template or catalyst in the solvothermal reaction process, has simple process, high yield and low cost, and is suitable for batch production;
(3) directly coating and growing W on carbon fiber18O49The nano-composite material prepared by the nano-material has uniform shape and tight coating.
Drawings
FIG. 1 is an XRD pattern of example 1 of the present invention;
FIG. 2 is an XRD spectrum of example 2 of the present invention;
FIG. 3 is an XRD spectrum of example 3 of the present invention;
FIG. 4 is a SEM photograph of example 1 of the present invention;
FIG. 5 is a SEM photograph of example 1 of the present invention;
FIG. 6 is a SEM photograph of example 2 of the present invention;
FIG. 7 is a SEM photograph of example 2 of the present invention;
FIG. 8 is a SEM photograph of example 3 in the present invention;
FIG. 9 is a SEM photograph of example 3 in the present invention;
the invention is described in detail below with reference to the drawings and the detailed description.
Detailed Description
W prepared by the invention18O49The coated carbon fiber composite material adopts a simple solvent-thermal template-free method to directly coat and grow W on the carbon fiber18O49And (3) nano materials.
The preparation method of the invention can grow W on the surfaces of all carbon fibers18O49In order to facilitate the preparation process and make the diameter of the carbon fiber uniform, the carbon cloth is adopted as the presentation form of the carbon fiber in the research and development process, the carbon cloth (carbon fiber cloth), which is the abbreviation of the carbon fiber cloth, is a carbon fiber fabric, which is formed by carbonizing a pre-oxidized polyacrylonitrile fiber fabric or weaving carbon fibers, and is also called carbon fiber cloth, carbon fiber fabric, carbon fiber belt or carbon fiber sheet (prepreg cloth) and the like. In principle all carbon cloths can implement the solution of the invention, the carbon cloth used in the examples of the invention being one directly available from Ce Tech co, Ltd under the model WOS1002, the diameter of the individual carbon fibres constituting the carbon cloth being 10 μm.
The invention mainly adopts a solvothermal method, and obtains W by controlling the concentration, the reaction temperature, the reaction time and other factors of the tungsten salt in a reaction system18O49The coated carbon fiber composite material and the preparation method thereof have the advantages that no template or catalyst is needed in the solvothermal reaction process, the process is simple, the yield is high, the cost is low, and the coated carbon fiber composite material is suitable for batch production; direct cladding growth of W with carbon fiber as main structure18O49Nanomaterial, preparation W18O49The nano material has uniform shape and is uniformly coated on the carbon fiber.
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
will be described in Ce Tech Co., LtdA purchased WOS1002 type carbon cloth is punched and cut into a circular substrate with the diameter of 12mm, the circular substrate is placed into a concentrated nitric acid solution for treatment for 1h at the temperature of 100 ℃, then is washed for multiple times by deionized water and is dried, and the circular substrate is placed into a reaction kettle (the volume of the reaction kettle is 50ml) with a polytetrafluoroethylene lining for later use. 0.1g (4g/L) of WCl6Adding into 25ml anhydrous ethanol, stirring thoroughly, adding into WCl6Completely dissolving to form a yellow transparent precursor solution, transferring the precursor solution into a reaction kettle containing carbon cloth, placing the reaction kettle in an oven, reacting for 3h at 160 ℃, taking out the carbon cloth after the reaction is finished, washing the carbon cloth by deionized water for multiple times, and drying the carbon cloth at 60 ℃ to obtain W18O49And coating the carbon cloth composite material.
FIG. 1 illustrates the product W of example one18O49Carbon fiber composite material, FIG. 4 shows the product W of example one18O49The coating of the nano material on the whole carbon fiber is very uniform, W18O49Is fluffy, and figure 5 illustrates the coated structure of the product of the first example.
Example two:
a WOS1002 type carbon cloth purchased from Ce Tech co., Ltd company is cut into a circular substrate with a diameter of 12mm, the circular substrate is placed in a concentrated nitric acid solution for treatment at 100 ℃ for 1h, and then is washed with deionized water for a plurality of times, dried and placed in a reaction kettle with a polytetrafluoroethylene lining (the volume of the reaction kettle is 50ml) for standby. 0.2g (8g/L) of WCl6Adding into 25ml anhydrous ethanol, stirring thoroughly, adding into WCl6Completely dissolving to form a yellow transparent precursor solution, transferring the precursor solution into a reaction kettle containing carbon cloth, placing the reaction kettle in an oven, reacting for 10h at 180 ℃, taking out the carbon cloth after the reaction is finished, washing the carbon cloth by deionized water for multiple times, and drying the carbon cloth at 60 ℃ to obtain W18O49And coating the carbon fiber composite material.
FIG. 2 illustrates the product W of example two18O49Carbon fiber composite material, FIG. 6 shows the product W of example two18O49The coating of the nano material on the whole carbon fiber is very uniform, W18O49In the form of tablets, FIG. 7 shows that the product of example two isAnd (5) coating the structure.
Example three:
a WOS1002 type carbon cloth purchased from Ce Tech co., Ltd company is cut into a circular substrate with a diameter of 12mm, the circular substrate is placed in a concentrated nitric acid solution for treatment at 100 ℃ for 1h, and then is washed with deionized water for a plurality of times, dried and placed in a reaction kettle with a polytetrafluoroethylene lining (the volume of the reaction kettle is 50ml) for standby. 0.3g (12g/L) of WCl6Adding into 25ml anhydrous ethanol, stirring thoroughly, adding into WCl6Completely dissolving to form a yellow transparent precursor solution, transferring the precursor solution into a reaction kettle containing carbon cloth, placing the reaction kettle in an oven, reacting for 24 hours at 200 ℃, taking out the carbon cloth after the reaction is finished, washing the carbon cloth by deionized water for multiple times, and then drying the carbon cloth at 60 ℃ to obtain W18O49And coating the carbon fiber composite material.
FIG. 3 illustrates the product W of example III18O49Carbon fiber composite material, FIG. 8 shows the product W of example III18O49The coating of the nano material on the whole carbon fiber is very uniform, W18O49Is in the form of a sheet, and FIG. 9 shows the product of example III as a coated structure.
In summary, the present invention relates to a W18O49The coated carbon fiber composite material and the preparation method thereof adopt the solvothermal method, and the preparation process has the advantages of simple process, strong controllability, high yield and low cost, and is suitable for batch production.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. W18O49The coated carbon fiber composite material is characterized by comprising carbon fibers and W coated on the surfaces of the carbon fibers by adopting a solvothermal method18O49And (3) nano materials.
2. As claimed in claim1 said W18O49The coated carbon fiber composite material is characterized in that the carbon fiber is in a form of carbon cloth, and the model of the carbon cloth is WOS 1002.
3. W18O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon fiber by adopting a solvothermal method18O49And (3) nano materials.
4. W according to claim 318O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon fiber by adopting a solvothermal method18O49The nano material comprises: taking an alcoholic solution containing a tungsten compound as a precursor solution, taking carbon fibers as a reaction source, and carrying out a solvothermal reaction at the temperature of 160-200 ℃ for 3-24 hours.
5. W according to claim 318O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon fiber by adopting a solvothermal method18O49The nano material comprises: and (2) carrying out solvothermal reaction by taking an alcohol solution containing a tungsten compound as a precursor solution and carbon cloth as a reaction source, wherein the reaction temperature is 160-200 ℃, and the reaction time is 3-24 h.
6. W according to claim 318O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon cloth by adopting a microwave-assisted solvothermal method18O49The nano material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 160 ℃, and the reaction time is 3 hours.
7. W according to claim 318O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon cloth by adopting a microwave-assisted solvothermal method18O49Nano meterThe material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 180 ℃, and the reaction time is 10 hours.
8. W according to claim 318O49The preparation method of the coated carbon fiber composite material is characterized in that the W grows on the surface of the carbon cloth by adopting a microwave-assisted solvothermal method18O49The nano material comprises: taking an alcoholic solution containing tungsten compounds as a growth solution, taking carbon cloth as a reaction source to carry out solvothermal reaction, wherein the reaction temperature is 200 ℃, and the reaction time is 24 hours.
9. W according to claim 4, 5, 6, 7 or 818O49The preparation method of the coated carbon fiber composite material is characterized in that the tungsten-containing compound is WCl6The concentration of the alcoholic solution of the tungsten-containing compound is 4 g/L-12 g/L.
10. W according to claim 4, 5, 6, 7 or 818O49The preparation method of the coated carbon fiber composite material is characterized in that the alcoholic solution of the tungsten-containing compound is an ethanol solution of the tungsten-containing compound.
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| CN109731580B (en) * | 2019-02-28 | 2021-07-06 | 陕西科技大学 | W18O49Preparation method of/NF self-supporting electrocatalytic material |
| CN109706476B (en) * | 2019-02-28 | 2021-02-09 | 陕西科技大学 | Carbon cloth surface in-situ growth W18O49Preparation method of self-supporting electrode material |
| CN112490435B (en) * | 2020-11-26 | 2022-06-10 | 陕西科技大学 | W for lithium-sulfur battery electrode18O49Nano-rod-carbon composite material and preparation method thereof |
| CN114130385A (en) * | 2021-11-12 | 2022-03-04 | 上海纳米技术及应用国家工程研究中心有限公司 | One-dimensional p-n heterojunction material with near-infrared photoelectric response and preparation method thereof |
| CN115346803A (en) * | 2022-08-03 | 2022-11-15 | 昆明理工大学 | W 18 O 49 Carbon paper composite electrode material and preparation method thereof |
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