CN116873858B - Catalyst of radioactive hydrogen storage material, magnesium-based hydrogen storage alloy material and preparation method - Google Patents
Catalyst of radioactive hydrogen storage material, magnesium-based hydrogen storage alloy material and preparation method Download PDFInfo
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 60
- 239000001257 hydrogen Substances 0.000 title claims abstract description 60
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003054 catalyst Substances 0.000 title claims abstract description 36
- 239000000956 alloy Substances 0.000 title claims abstract description 23
- 239000011777 magnesium Substances 0.000 title claims abstract description 22
- 239000011232 storage material Substances 0.000 title claims abstract description 22
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 14
- VEMKTZHHVJILDY-PMACEKPBSA-N (5-benzylfuran-3-yl)methyl (1r,3s)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate Chemical compound CC1(C)[C@@H](C=C(C)C)[C@H]1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-PMACEKPBSA-N 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 229940077390 uranyl nitrate hexahydrate Drugs 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 8
- OLAPPGSPBNVTRF-UHFFFAOYSA-N naphthalene-1,4,5,8-tetracarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=C(C(O)=O)C2=C1C(O)=O OLAPPGSPBNVTRF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005119 centrifugation Methods 0.000 claims abstract 2
- 229910012375 magnesium hydride Inorganic materials 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- NYEVQOJNJSKDGP-UHFFFAOYSA-N O.O.O.O.O.O.[N+](=O)([O-])[O-].[U+6].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] Chemical compound O.O.O.O.O.O.[N+](=O)([O-])[O-].[U+6].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] NYEVQOJNJSKDGP-UHFFFAOYSA-N 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000009210 therapy by ultrasound Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 20
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 238000000498 ball milling Methods 0.000 description 14
- 239000013078 crystal Substances 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000002178 crystalline material Substances 0.000 description 8
- 238000003795 desorption Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0078—Composite solid storage mediums, i.e. coherent or loose mixtures of different solid constituents, chemically or structurally heterogeneous solid masses, coated solids or solids having a chemically modified surface region
-
- 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
- Y02E60/32—Hydrogen storage
Abstract
The invention provides a radioactive hydrogen storage material catalyst, a magnesium-based hydrogen storage alloy material and a preparation method thereof, belonging to the technical field of hydrogen storage catalyst materials. The book is provided withThe invention carries out hydrothermal reaction on uranyl nitrate hexahydrate, 1,4,5, 8-naphthalene tetracarboxylic acid, N-dimethylformamide and deionized water, and after the reaction is finished, the catalyst of the radioactive hydrogen storage material is obtained through centrifugation, washing and drying. The preparation method provided by the invention is simple, the obtained catalyst has simple appearance, and the catalyst is added into MgH 2 In the method, the catalyst containing trace radioactivity opens up a new application prospect in the field of catalyzing Mg-based hydrogen storage alloy.
Description
Technical Field
The invention relates to the technical field of hydrogen storage catalyst materials, in particular to a radioactive hydrogen storage material catalyst, a magnesium-based hydrogen storage alloy material and a preparation method thereof.
Background
MgH 2 As a hydrogen storage material which is currently being studied more widely, it is considered as one of the most ideal hydrogen storage materials at present, with a higher hydrogen storage capacity (7.6 wt%), lower cost and abundant reserves; however, the hydrogen absorption and desorption process of magnesium hydride has more severe control conditions, the dynamics performance is poorer than that of an ideal hydrogen storage material, and the dynamic performance is improved by adopting a proper method. The catalyst is added in a rapid and convenient way.
The hydrogen storage catalyst is rich in variety, contains a plurality of nonmetallic elements which are mainly oxides, carbides, sulfides and the like as main catalysts, and also comprises a metal-based catalyst which is mainly hydrogen absorption and desorption of metal elements and Mg matrix alloy. In the field of metal catalysis, transition metal elements enable particles of metal to exist in a matrix alloy in the ball milling process due to the excellent catalytic reaction activity, intermetallic hydride is generated in the hydrogen absorption and desorption reaction process, and MgH is improved 2 Dynamic properties; the research of taking radioactive elements as basic catalytic phases is less in the research field than various transition metal elements.
Disclosure of Invention
In view of the above, the present invention aims to provide a catalyst for a radioactive hydrogen storage material, a magnesium-based hydrogen storage alloy material and a preparation method thereof, wherein the preparation method provided by the present invention has a simple process, and the prepared catalyst for a radioactive hydrogen storage material can produce an excellent catalytic effect when being added to the Mg-based hydrogen storage alloy material.
In order to achieve the above object, the present invention provides the following technical solutions: a method for preparing a catalyst of a radioactive hydrogen storage material comprises the steps of carrying out hydrothermal reaction on uranyl nitrate hexahydrate, 1,4,5, 8-naphthalene tetracarboxylic acid, N-dimethylformamide and deionized water, centrifuging, washing and drying after the reaction is finished.
The method specifically comprises the following steps:
(1) Uniformly mixing uranyl nitrate hexahydrate and 1,4,5, 8-naphthalene tetracarboxylic acid to obtain a mixture;
(2) Adding N, N-dimethylformamide and deionized water into the mixture obtained in the step (1), and carrying out ultrasonic treatment and stirring until the solute is completely dissolved to obtain a reaction solution;
(3) And (3) carrying out hydrothermal reaction on the reaction liquid obtained in the step (2), and centrifuging, washing and drying after the reaction is finished.
Preferably, the mass ratio of the uranyl nitrate hexahydrate to the 1,4,5, 8-naphthalene tetracarboxylic acid is 1 (0.6-0.7).
Preferably, the volume ratio of the N, N-dimethylformamide to the deionized water is 1 (3.5-4.5).
Preferably, the volume ratio of the mass of the uranium nitrate hexahydrate to the N, N-dimethylformamide is (45-55 mg): 1mL.
Preferably, the hydrothermal reaction temperature is 100-105 ℃ and the reaction time is 7-8 days.
Preferably, the washing is washing with deionized water and absolute ethanol, respectively; the drying is normal temperature drying.
The invention also provides the radioactive hydrogen storage material catalyst prepared by the preparation method.
The invention also provides a magnesium-based hydrogen storage alloy material, which contains the radioactive hydrogen storage material catalyst according to the technical scheme.
The invention also provides a preparation method of the magnesium-based hydrogen storage alloy material, which comprises the steps of mixing the radioactive hydrogen storage material catalyst with magnesium hydride powder and then performing ball milling.
Preferably, the radioactive hydrogen storage material catalyst accounts for 2.5-7.5 wt% of the magnesium-based hydrogen storage alloy material.
Preferably, in the ball milling process, the ball ratio is 60:1, the ball milling rotating speed is 450rpm, and the ball milling time is 12 hours.
The beneficial technical effects are as follows:
1. the radioactive hydrogen storage material catalyst is prepared by adopting a one-step hydrothermal method, and the preparation method is simple.
2. The radioactive hydrogen storage material catalyst prepared by the method has simple appearance and relatively good catalytic effect, and simultaneously contains trace radioactivity, thereby opening up a new application prospect in the field of catalyzing Mg-based hydrogen storage alloy.
3. The catalyst is added into MgH 2 In the method, the catalyst can be made to be in MgH by a ball milling method 2 The surface is uniformly dispersed so as to obtain excellent catalytic performance, and the problem of uneven dispersion of the catalyst is solved.
Drawings
FIG. 1 shows the radioactivity (DMF) obtained in example 1 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]An X-ray diffraction pattern of the crystalline material;
FIG. 2 shows the radioactivity (DMF) obtained in example 1 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Scanning electron microscope images of the crystal materials;
FIG. 3 shows the radioactivity (DMF) obtained in example 1 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Infrared spectrogram of the crystal material;
FIG. 4 shows MgH obtained in example 4 2 -X-ray diffraction pattern of 5wt%1445 material;
FIG. 5 shows MgH obtained in example 4 2 -5wt%1445 material hydrogen absorption and desorption performance diagram at different temperatures.
Detailed Description
For a better understanding of the present invention, the following examples are further illustrated, but are not limited to the following examples.
In the following examples, the instrumentation used was:
x-ray diffractometer: 70000 x, shimadzu, japan;
transmission electron microscope: JEM-210F, JEOL, japan;
high resolution transmission electron microscope: JEM-210F, JEOL, japan;
tube furnace: OFT-1200X, synechocystalline, china;
suction filtration equipment: SHB-IIIS, hengyan instrument, china;
performance test: sieverts-type, china.
Example 1
(1) Weighing and preparing 0.2g uranyl nitrate hexahydrate and 0.13g1,4,5, 8-naphthalene tetracarboxylic acid, and uniformly mixing in a beaker to obtain a mixture;
(2) Adding 4ml of N, N-dimethylformamide and 16ml of deionized water into a beaker, uniformly mixing and ultrasonically treating until the mixed solution is uniform, and stirring until the solute is completely dissolved to obtain a reaction solution;
(3) Adding the reaction solution obtained in the step (2) into a 50ml reaction kettle liner, putting the reaction kettle into an oven, reacting for 7 days at 105 ℃, naturally cooling the reaction kettle to room temperature after the reaction is finished, centrifuging at the speed of 8500rpm for 3min, washing the reaction product with deionized water and absolute ethyl alcohol for 4 times after centrifuging, and finally drying to obtain radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Crystalline material.
For synthetic radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]The crystal material was characterized by an X-ray diffractometer, and diffraction peaks appear at 2θ=9.90°,17.42 °,30.00 ° and 47.3 ° as shown in fig. 1, which prove that radioactivity (DMF) was successfully prepared 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]And (3) a crystal sample. Subsequent to radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]The crystal is subjected to morphology characterization, as shown in fig. 2, it can be seen that under the condition of a low-power scanning electron microscope, massive particles are uniformly distributed on an objective table, the particle size is controlled to be about 70-100 mu m, and the surfaces of the massive particles are smoother; to further investigate this radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Specific composition of crystal sample, chemical bond composition analysis of synthetic powder material by Fourier transform infrared spectrum, as shown in figure 3, the composite material has strength of 3550cm -1 There is a broad absorption peak, 2350cm considering that-OH is typical of stretching vibration in adsorbed water molecules -1 And 1620cm -1 The peak positions at 1550cm are occupied by c≡n and c=o groups, respectively -1 The c=n at this point also confirms that many chemical bonds exist in the composite material to form a firm and stable composite structure.
Example 2
(1) Weighing and preparing 0.2g uranyl nitrate hexahydrate and 0.12g1,4,5, 8-naphthalene tetracarboxylic acid, and uniformly mixing in a beaker to obtain a mixture;
(2) Adding 4ml of N, N-dimethylformamide and 14ml of deionized water into a beaker, uniformly mixing and ultrasonically treating until the mixed solution is uniform, and stirring until the solute is completely dissolved to obtain a reaction solution;
(3) Adding the reaction solution obtained in the step (2) into a 50ml reaction kettle liner, putting the reaction kettle into an oven, reacting for 8 days at 100 ℃, naturally cooling the reaction kettle to room temperature after the reaction is finished, centrifuging at the speed of 8500rpm for 3min, washing the reaction product with deionized water and absolute ethyl alcohol for 4 times after centrifuging, and finally drying to obtain radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Crystalline material.
Example 3
(1) Weighing and preparing 0.2g uranyl nitrate hexahydrate and 0.14g1,4,5, 8-naphthalene tetracarboxylic acid, and uniformly mixing in a beaker to obtain a mixture;
(2) Adding 4ml of N, N-dimethylformamide and 18ml of deionized water into a beaker, uniformly mixing and ultrasonically treating until the mixed solution is uniform, and stirring until the solute is completely dissolved to obtain a reaction solution;
(3) Adding the reaction solution obtained in the step (2) into a 50ml reaction kettle liner, putting the reaction kettle into an oven, reacting for 8 days at 103 ℃, naturally cooling the reaction kettle to room temperature after the reaction is finished, centrifuging at the speed of 8500rpm for 3min, washing the reaction product with deionized water and absolute ethyl alcohol for 4 times after centrifuging, and finally drying to obtain radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Crystalline material.
Example 4
Containing 5wt% radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystalline material
0.1g of the radioactivity (DMF) obtained in example 1 was taken 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]The crystal material and 1.9g of magnesium hydride powder are put into a ball milling tank, ball material ratio is 60:1, ball milling is carried out for 12 hours at 450rpm, and finally the product containing 5 percent of radioactivity (DMF) is obtained 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystal material, which is marked as MgH 2 5wt%1445 and used for hydrogen storage and desorption kinetics testing.
For the MgH obtained 2 X-ray diffraction characterization of 5wt%1445, 5% radioactivity (DMF) as can be seen in FIG. 4 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Addition of crystalline material to MgH 2 After the material, at MgH 2 -5％(DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]The ball milling state of the material does not see clear impurity corresponding peaks, but the XRD pattern crystallinity before and after dehydrogenation is good and the diffraction peak is clearer, wherein the ball milling state and the hydrogen absorption state are main phases MgH 2 The main diffraction peak position is concentrated at 27.9 degrees, 35.7 degrees, 39.8 degrees, 54.6 degrees, and the main diffraction peak of the main phase Mg in the hydrogen discharge state is concentrated at 32.1 degrees, 34.3 degrees, 36.6 degrees and 47.8 degreesCharacterization data confirm that this material is added to Mg-MgH 2 After the system is adopted, the hydrogen absorption and desorption processes have no obvious influence on the structural configuration and the phase change process of the collective alloy.
Further explore and prepare the composite material MgH 2 -5wt％(DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]The data tested are presented in figure 5, the performance of the catalyst of the invention is improved to a greater extent compared to pure magnesium hydride: mgH (MgH) 2 -5wt％(DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]In terms of hydrogen absorption, the hydrogen absorption capacity of the sample can reach 4.9wt% under 5MPa hydrogen pressure in one hour when the temperature is controlled at 473K,423K and 353K, and can reach 5.4wt% and 2.9wt% when the temperature is controlled at 597K and 573K when the temperature is controlled at 2wt% and 2wt% in one hour, and the hydrogen absorption capacity is obviously improved compared with pure magnesium hydride under the same condition.
Example 5
Containing 2.5wt% radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystalline material
0.05g of the radioactivity (DMF) obtained in example 1 was taken 2 [(UO 2 ) 2 (H2O) 1.5 L 4- ]The crystal material and 1.95g of magnesium hydride powder are put into a ball milling tank, the ball-material ratio is 60:1, ball milling is carried out for 12 hours at 450rpm, and finally the radioactivity (DMF) containing 2.5 weight percent is obtained 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystal material, which is marked as MgH 2 2.5wt%1445 and is used for the hydrogen storage and desorption kinetics test.
The test results are similar to those of example 4, and the performance of the catalyst of the invention is improved to a greater extent than that of pure magnesium hydride.
Example 6
Containing 7.5wt% radioactivity (DMF) 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystalline material
0.15g of the radioactivity (DMF) obtained in example 1 was taken 2 [(UO 2 ) 2 (H2O) 1.5 L 4- ]The crystal material and 1.85g of magnesium hydride powder are put into a ball milling tank, the ball-material ratio is 60:1, ball milling is carried out for 12 hours at 450rpm, and finally the radioactivity (DMF) containing 7.5 weight percent is obtained 2 [(UO 2 ) 2 (H 2 O) 1.5 L 4- ]Mg-based hydrogen storage alloy material of crystal material, which is marked as MgH 2 7.5wt%1445 and used for hydrogen storage and desorption kinetics testing.
The test results are similar to those of example 4, and the performance of the catalyst of the invention is improved to a greater extent than that of pure magnesium hydride.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. A preparation method of a radioactive hydrogen storage material catalyst is characterized in that uranyl nitrate hexahydrate, 1,4,5, 8-naphthalene tetracarboxylic acid, N-dimethylformamide and deionized water are subjected to hydrothermal reaction, and after the reaction is finished, the catalyst is obtained through centrifugation, washing and drying;
the method specifically comprises the following steps:
(1) Uniformly mixing uranyl nitrate hexahydrate and 1,4,5, 8-naphthalene tetracarboxylic acid to obtain a mixture;
(2) Adding N, N-dimethylformamide and deionized water into the mixture obtained in the step (1), and carrying out ultrasonic treatment and stirring until the solute is completely dissolved to obtain a reaction solution;
(3) Carrying out hydrothermal reaction on the reaction solution obtained in the step (2), and centrifuging, washing and drying after the reaction is finished to obtain the catalyst;
the mass ratio of the uranyl nitrate hexahydrate to the 1,4,5, 8-naphthalene tetracarboxylic acid is 1 (0.6-0.7);
the volume ratio of the N, N-dimethylformamide to the deionized water is 1 (3.5-4.5);
the volume ratio of the mass of the uranium nitrate hexahydrate to the N, N-dimethylformamide is (45-55 mg) 1mL;
the hydrothermal reaction temperature is 100-105 ℃, and the reaction time is 7-8 days.
2. The radioactive hydrogen storage material catalyst prepared by the preparation method of claim 1.
3. A magnesium-based hydrogen storage alloy material comprising the radioactive hydrogen storage material catalyst according to claim 2.
4. A method for preparing a magnesium-based hydrogen storage alloy material according to claim 3, wherein the radioactive hydrogen storage material catalyst according to claim 2 is mixed with magnesium hydride powder and then ball-milled.
5. The method of claim 4, wherein the radioactive hydrogen storage material catalyst comprises 2.5wt% to 7.5wt% of the magnesium-based hydrogen storage alloy material.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185540A (en) * | 2017-05-22 | 2017-09-22 | 济南大学 | One kind catalysis MgH2Inhale the preparation method for the catalyst Co@C for putting hydrogen |
| CN111215145A (en) * | 2018-11-26 | 2020-06-02 | 宁波大学 | 2-nitro terephthalic acid uranyl complex photocatalyst |
| CN113181948A (en) * | 2021-04-28 | 2021-07-30 | 华北电力大学 | Uranium atom catalyst and preparation method thereof |
| CN116332862A (en) * | 2023-03-30 | 2023-06-27 | 陕西彩芸新材生态科技有限公司 | Preparation method of complex-based supercapacitor material with ultrahigh specific capacity |
-
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- 2023-07-13 CN CN202310856972.XA patent/CN116873858B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185540A (en) * | 2017-05-22 | 2017-09-22 | 济南大学 | One kind catalysis MgH2Inhale the preparation method for the catalyst Co@C for putting hydrogen |
| CN111215145A (en) * | 2018-11-26 | 2020-06-02 | 宁波大学 | 2-nitro terephthalic acid uranyl complex photocatalyst |
| CN113181948A (en) * | 2021-04-28 | 2021-07-30 | 华北电力大学 | Uranium atom catalyst and preparation method thereof |
| CN116332862A (en) * | 2023-03-30 | 2023-06-27 | 陕西彩芸新材生态科技有限公司 | Preparation method of complex-based supercapacitor material with ultrahigh specific capacity |
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