CN101774581A - Method for preparing tungsten carbide/carbon aerogel composite material by alternate microwave heating - Google Patents
Method for preparing tungsten carbide/carbon aerogel composite material by alternate microwave heating Download PDFInfo
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- CN101774581A CN101774581A CN201010101295A CN201010101295A CN101774581A CN 101774581 A CN101774581 A CN 101774581A CN 201010101295 A CN201010101295 A CN 201010101295A CN 201010101295 A CN201010101295 A CN 201010101295A CN 101774581 A CN101774581 A CN 101774581A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000004966 Carbon aerogel Substances 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title abstract description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
- 239000010937 tungsten Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims description 5
- 238000007669 thermal treatment Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- HDVRLUFGYQYLFJ-UHFFFAOYSA-N flamenol Chemical compound COC1=CC(O)=CC(O)=C1 HDVRLUFGYQYLFJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 3
- 235000015320 potassium carbonate Nutrition 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 2
- 239000003426 co-catalyst Substances 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000004964 aerogel Substances 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract 3
- 239000003575 carbonaceous material Substances 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000013067 intermediate product Substances 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 15
- 238000001816 cooling Methods 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003763 carbonization Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 229910001009 interstitial alloy Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention discloses a method for preparing a tungsten carbide/carbon aerogel composite material by alternate microwave heating. The method comprises the following steps: (1) respectively dissolving tungsten source precursors and carbon source precursors and then mixing; (2) adding an alkaline catalyst into solution of carbon source precursor, reacting completely, and performing heating reaction on the product to obtain an intermediate product; and (3) drying the intermediate and then performing heating treatment by using microwave carbon bath to obtain the tungsten carbide/carbon aerogel composite material. The spatial aperture range of aerogel can be controlled by changing the ratio of the carbon aerogel to the tungsten carbide. The method has simple operation and cheap raw materials and uses cheap water as a polymerization medium to composite carbon materials and the tungsten carbide in situ.
Description
Technical field
The invention belongs to the material field, relate generally to a kind of method of utilizing intermittent microwave to add hot preparation wolfram varbide/carbon aerogel composite material.
Background technology
Scheele found wolfram varbide first in 1781, but Henri Moissan has just synthesized wolfram varbide with the artificial method after more than 100 years.Wolfram varbide is that carbon atom is filled into the interstitial compound that forms in the tungsten lattice, and this carbide material has unique physics and chemical property.Their characteristic combines the character of covalent compound, ionic crystal and three kinds of materials of transition metal.They have the high strong hardness and the fragility of covalent compound, have the characteristics of the high-melting-point and the simple crystalline structure of ionic crystal, and its electricity and magnetic properties and metallographic phase are seemingly.The fusing point of wolfram varbide is 2870 ± 50 ℃, hardness 16～22GPa, tensile strength 300GPa, compressive strength 5GPa (20 ℃), breaking tenacity 28MPa.These unique physical and chemical properties of wolfram varbide make it be widely used in materialogy.
After Levy in 1973 and Boudart (R.B.Levy, M.Boudart, Science, 181 (1973) 547) disclosed wolfram varbide and the similarity of platinum aspect catalytic performance first, the catalytic property of wolfram varbide caused the great interest of scientific circles.Up to now, wolfram varbide has been had experiment and theoretical investigation widely as Application of Catalyst, the result shows that it has good catalytic performance in the reaction of a series of precious metal catalysts.Because the precious metal reserves are few, price is expensive, and the source metal reserves of carbide are abundant, and therefore, replacing precious metal effectively with carbide is highly significant research.At the fuel cell catalytic field, existing bibliographical information wolfram varbide carrier as the cathode and anode catalyzer in Proton Exchange Membrane Fuel Cells have Study of Synergistic Effect work.
The traditional preparation process technology of wolfram varbide is inherited in metallurgical industry, is metal, metal hydride or metal oxide and a certain proportion of carbon direct reaction in reducing atmosphere, and temperature of reaction is usually above 1200 ℃.The product of gained than great, granularity is big, this Industrial materials have very low specific surface area, are not suitable for use in catalyzer or carrier.The catalysis of discovering wolfram varbide is relevant with its surface tissue and composition with absorption property, and its surface tissue and composition are subjected to preparation technology's influence.
Charcoal-aero gel is the nanometer porous property of an a kind of novel light amorphous carbon cellulosic material, is developed at first in 1989 by Pekala (R.W.Pekala, US Patent 4873218,1989) research group.It is big to have specific surface area, characteristics such as the aperture is wide and conduct electricity very well, compare with gac, the specific conductivity of charcoal-aero gel is very high by (about 25～100S/cm), and (50～300K) remain unchanged substantially in a very wide temperature range, its porosity is 80%～98%, typical pore dimension＜50nm, network colloidal solid size 3～20nm.As unique aerogel with conduction property, its electrochemical energies such as fuel cell, electric chemical super capacitor, lithium ion battery store with the application in conversion field more and more widely.
And these two kinds of materials is compound, makes the matrix material that obtains possess advantage separately, is having under the situation of good catalytic, has strengthened the mass transfer effect of three phase boundary, in heterogeneous catalysis field wide application prospect is arranged especially.
Microwave heating technique is because its unique type of heating and a series of advantage have caused increasing concern, the purpose of this invention is to provide a kind of technology of utilizing intermittent microwave to add hot preparation wolfram varbide/carbon aerogel composite material, carbonization and calking obtain wolfram varbide/carbon aerogel composite material at short notice.
Summary of the invention
The objective of the invention is to be to overcome the deficiency that existing preparation tungsten carbide composite method exists, provide a kind of convenience, controlled and microwave heating fast to prepare the method for wolfram varbide/carbon aerogel composite material.The method of utilizing microwave method to prepare wolfram varbide/carbon aerogel composite material of the present invention is characterized in that comprising the steps:
(1) tungsten source presoma, carbon source presoma and additive are dissolved in the water according to this, stir.
(2) reaction soln is put into encloses container and is obtained gel product in baking oven thermal treatment for some time, allow gel dry naturally again or dry after pulverize.
(3) the exsiccant powder is put into microwave oven heating carbonization and formation wolfram varbide.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, and the weight ratio of tungsten source presoma described in the step (1) and carbon source presoma is 1: 1～1: 10, is generally 1: 2～1: 9, is preferably 1: 5～1: 8.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, and the tungsten source presoma described in the step (1) is one or more the mixture in sodium wolframate, ammonium metawolframate and the wolframic acid.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, carbon source presoma described in the step (1) is two kinds of organism, comprises one or more the mixture in Phloroglucinol monomethyl ether, trimeric cyanamide, Resorcino and formaldehyde, the furfural.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, additive described in the step (1) is co-catalyst or the promotor as reaction, is one or more mixture of yellow soda ash, salt of wormwood, sodium hydroxide, sodium bicarbonate and calcium hydroxide.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, and thermal treatment temp is 40 ℃～90 ℃ described in the step (2), is generally 50 ℃～80 ℃, is preferably 60 ℃～70 ℃.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, and heat treatment time is 10～96 hours described in the step (2), is generally 12～72 hours, is preferably 18～36 hours.
The above-mentioned microwave method of utilizing prepares in the method for wolfram varbide/carbon aerogel composite material, microwave oven heating carbonization described in the step (3) is to be undertaken by the method for intermittent microwave heating, promptly alternately heat/stop, be 35～60S general heat-up time, stand-by time is 5～15S, repeat repeatedly, total time is 10-20min.
Compared with prior art, the present invention is owing to use the microwave even heating, rather than by the thermal conduction heating, so have that rate of heating is fast, carbonization time short, simple to operate, characteristics such as reaction in formation that can realize wolfram varbide and charcoal-aero gel.
Description of drawings
Fig. 1 is XRD figure under the 20min for the matrix material of the present invention preparation at the intermittent microwave heat treatment time.
Embodiment
Below in conjunction with embodiment concrete enforcement of the present invention is described in further detail, but enforcement of the present invention is not limited thereto.
Embodiment 1
With quality is that the sodium wolframate of 0.42 gram and the Resorcino of 1.1 grams are dissolved in the 20ml water, adds 15ml formaldehyde then after 40 ℃ of stirring in water bath, adds 0.01 gram yellow soda ash, puts into encloses container then at 60 ℃ of baking oven internal reaction 24h, obtains the reddish-brown gel.Treat that gel dries naturally, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 35 seconds, 5 seconds intermittences) microwave carbon and bathes and heat 20min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.Its XRD figure such as Fig. 1 have wherein shown the feature three strongest ones peak of wolfram varbide.
Embodiment 2
With quality is that the ammonium metawolframate of 3.26 grams and the Resorcino of 2.2 grams are dissolved in the 20ml water, adds 25ml formaldehyde then after 45 ℃ of stirring in water bath, adds 0.008 gram salt of wormwood catalyzer and puts into encloses container at 70 ℃ of baking oven internal reaction 36h, obtains reddish brown gel.Treat that gel dries naturally, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 60 seconds, 15 seconds intermittences) microwave carbon and bathes and heat 10min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.
Embodiment 3
With quality is that the sodium wolframate of 0.329 gram and the Phloroglucinol monomethyl ether of 3.12 grams are dissolved in the 30ml water, adds the 20ml furfural then after 40 ℃ of stirring in water bath, adds 0.05 gram calcium hydroxide catalyzer and puts into encloses container at 80 ℃ of baking oven internal reaction 48h, obtains gel.Treat the gel oven dry, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 40 seconds, 10 seconds intermittences) microwave carbon and bathes and heat 15min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.
Embodiment 4
With quality is that the sodium wolframate of 0.64 gram and the trimeric cyanamide of 2.1 grams are dissolved in the 20ml water, adds 25ml formaldehyde then after 40 ℃ of stirring in water bath, adds 0.01 gram sodium bicarbonate catalyzer and puts into encloses container at 50 ℃ of baking oven internal reaction 72h, obtains gel.After treating that gel drying fully, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 45 seconds, 15 seconds intermittences) microwave carbon and bathes and heat 20min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.
Embodiment 5
With quality is that 0.7 gram wolframic acid and 3.43 Phloroglucinol monomethyl ether that restrain are dissolved in the 20ml water, adds 25ml formaldehyde then after 40 ℃ of stirring in water bath, adds 0.017 gram sodium hydroxide catalyst and puts into encloses container at 90 ℃ of baking oven internal reaction 10h, obtains reddish brown gel.Treat that gel dries naturally, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 40 seconds, 10 seconds intermittences) microwave carbon and bathes and heat 15min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.
Embodiment 6
With quality is that the wolframic acid of 2.49 grams and the Resorcino of 2.21 grams are dissolved in the 30ml water, adds 25ml formaldehyde then after 45 ℃ of stirring in water bath, adds 0.012 gram sodium carbonate catalyst and puts into encloses container at 40 ℃ of baking oven internal reaction 96h, obtains reddish brown gel.Treat the gel oven dry, inserting power after pulverizing is ground is 1000W, and frequency is in the microwave oven of 2.45GHz, replaces (heating in 50 seconds, 10 seconds intermittences) microwave carbon and bathes and heat 10min, just obtains wolfram varbide/carbon aerogel composite material powder after the cooling.
Claims (10)
1. utilize intermittent microwave to add the method for hot preparation wolfram varbide/carbon aerogel composite material, it is characterized in that comprising the steps: that (1) mix tungsten source presoma, carbon source presoma and additive dissolving, stir, described additive is as the co-catalyst or the promotor of reaction; (2) mixing solutions is put into encloses container and is obtained gel product in baking oven thermal treatment, allow gel dry naturally again or dry after pulverize; (3) dried powder of pulverizing is put into microwave carbon and bathed alternately that heating obtains described wolfram varbide/carbon aerogel composite material.
2. method according to claim 1, the weight ratio that it is characterized in that tungsten source presoma described in the step (1) and carbon source presoma is 1: 1～1: 10.
3. method according to claim 2, the weight ratio that it is characterized in that described tungsten source presoma and carbon source presoma is 1: 5～1: 8.
4. method according to claim 1 is characterized in that the tungsten source presoma described in the step (1) is one or more the mixture in sodium wolframate, ammonium metawolframate and the wolframic acid.
5. method according to claim 1 is characterized in that the carbon source presoma described in the step (1) is one or more the mixture in Phloroglucinol monomethyl ether, trimeric cyanamide, Resorcino and formaldehyde, the furfural.
6. method according to claim 1 is characterized in that the additive described in the step (1) is one or more a mixture of yellow soda ash, salt of wormwood, sodium hydroxide, sodium bicarbonate and calcium hydroxide.
7. method according to claim 1 is characterized in that thermal treatment temp described in the step (2) is 40 ℃～90 ℃, and heat treatment time is 10～96 hours.
8. method according to claim 1 is characterized in that thermal treatment temp described in the step (2) is 60 ℃～70 ℃, and heat treatment time is 18～36 hours.
9. according to each described method of claim 1～8, it is characterized in that described in the step (3) that alternately heating refers to alternately heat/stop, specifically be to be heat-up time 35～60S, stand-by time is 5～15S, repeats repeatedly, total time is 10-20min.
10. method according to claim 9, the power that it is characterized in that described microwave oven is 1000W, frequency is 2.45GHz.
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| CN101944597A (en) * | 2010-08-26 | 2011-01-12 | 合肥工业大学 | Method for preparing carbon aerogel cladded LiMnPo4/C |
| CN102674352A (en) * | 2012-04-18 | 2012-09-19 | 北京科技大学 | Method for preparing tungsten-carbide powder through low-temperature combustion synthesis |
| CN104353478A (en) * | 2014-12-01 | 2015-02-18 | 吉林大学 | Carbon-coated cobalt-tungsten double-metal carbide and preparation method and application thereof |
| CN104607116A (en) * | 2015-01-12 | 2015-05-13 | 朱秀榕 | Universal preparation method of high-specific surface area rare earth element-doped carbon gas gel |
| CN106654280A (en) * | 2017-01-11 | 2017-05-10 | 安徽工业大学 | W2C@onion-shaped carbon/amorphous carbon nanometer composite and preparing method and application thereof |
| CN113072070A (en) * | 2021-03-26 | 2021-07-06 | 华东理工大学 | Preparation method of high-specific-surface-area carbon-coated transition metal carbide material |
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| CN100357180C (en) * | 2006-04-07 | 2007-12-26 | 北京科技大学 | Method of microwave synthetizing nano powder of tungsten carbide |
| CN101181690B (en) * | 2007-12-14 | 2010-05-19 | 中山大学 | Microwave induction catalytic preparation method of nano tungsten carbide |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944597A (en) * | 2010-08-26 | 2011-01-12 | 合肥工业大学 | Method for preparing carbon aerogel cladded LiMnPo4/C |
| CN101944597B (en) * | 2010-08-26 | 2012-11-21 | 合肥工业大学 | Method for preparing carbon aerogel cladded LiMnPo4/C |
| CN102674352A (en) * | 2012-04-18 | 2012-09-19 | 北京科技大学 | Method for preparing tungsten-carbide powder through low-temperature combustion synthesis |
| CN102674352B (en) * | 2012-04-18 | 2014-04-16 | 北京科技大学 | Method for preparing tungsten-carbide powder through low-temperature combustion synthesis |
| CN104353478A (en) * | 2014-12-01 | 2015-02-18 | 吉林大学 | Carbon-coated cobalt-tungsten double-metal carbide and preparation method and application thereof |
| CN104353478B (en) * | 2014-12-01 | 2016-09-28 | 吉林大学 | The cobalt tungsten bimetallic carbide of a kind of carbon cladding, preparation method and applications |
| CN104607116A (en) * | 2015-01-12 | 2015-05-13 | 朱秀榕 | Universal preparation method of high-specific surface area rare earth element-doped carbon gas gel |
| CN106654280A (en) * | 2017-01-11 | 2017-05-10 | 安徽工业大学 | W2C@onion-shaped carbon/amorphous carbon nanometer composite and preparing method and application thereof |
| CN113072070A (en) * | 2021-03-26 | 2021-07-06 | 华东理工大学 | Preparation method of high-specific-surface-area carbon-coated transition metal carbide material |
| CN114678547A (en) * | 2022-03-31 | 2022-06-28 | 浙江工业大学 | Tungsten oxygen carbon/carbon aerogel composite electrode and preparation method thereof |
| CN114678547B (en) * | 2022-03-31 | 2023-12-08 | 浙江工业大学 | Tungsten-oxygen-carbon/carbon aerogel composite electrode and preparation method thereof |
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