CN112358509A - Metal organic complex solid hydrogen storage material and preparation method thereof - Google Patents
Metal organic complex solid hydrogen storage material and preparation method thereof Download PDFInfo
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- CN112358509A CN112358509A CN202011290162.5A CN202011290162A CN112358509A CN 112358509 A CN112358509 A CN 112358509A CN 202011290162 A CN202011290162 A CN 202011290162A CN 112358509 A CN112358509 A CN 112358509A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 100
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 100
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000011232 storage material Substances 0.000 title claims abstract description 61
- 239000007787 solid Substances 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003446 ligand Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 19
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 16
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 150000002500 ions Chemical class 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract description 3
- 239000011365 complex material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 3
- -1 nitrogen-containing heterocyclic compound Chemical class 0.000 description 3
- 239000013110 organic ligand Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- WHQSYGRFZMUQGQ-UHFFFAOYSA-N n,n-dimethylformamide;hydrate Chemical group O.CN(C)C=O WHQSYGRFZMUQGQ-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/04—Nickel compounds
- C07F15/045—Nickel compounds without a metal-carbon linkage
-
- 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
- C01B3/0015—Organic compounds; Solutions thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Catalysts (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application discloses a metal organic complex solid hydrogen storage material and a preparation method thereof, wherein the metal organic complex solid hydrogen storage material comprises: a central metal ion and a nitrogen-containing heterocyclic ligand which have hydrogenation catalytic capability or stronger hydrogen bonding capability, wherein the molar ratio of the central metal ion to the nitrogen-containing heterocyclic ligand is 2: 1; 1:1 or 1: 2; central ion selective Ni2+Or Mo6+(ii) a The nitrogen-containing heterocyclic ligand is selected from carbazole, acridine or quinoline; the hydrogen storage material disclosed by the application is simple in preparation method and low in preparation cost, so that the cost of the metal organic complex solid hydrogen storage material is reduced, the metal organic complex hydrogen storage material can realize self-catalytic hydrogenation, the material can realize the hydrogen absorption and dehydrogenation process without adding a catalyst, the hydrogen storage effect is obvious, and the hydrogen storage material has a better application prospect.
Description
Technical Field
The application relates to the technical field of hydrogen storage materials, in particular to a metal organic complex solid hydrogen storage material and a preparation method thereof.
Background
Hydrogen energy is used as a green energy source and is an energy carrier and fuel with sustainable development potential. The hydrogen energy economy developed on the basis of hydrogen energy has the characteristics of zero emission and good economic and environmental benefits, and meets the development requirements of future energy policies of China. However, the use of hydrogen energy has long been greatly hindered by the lack of convenient and effective hydrogen storage materials and techniques.
In recent years, researchers have conducted extensive research around hydrogen storage materials, wherein the development of liquid hydrogen storage materials is mature and has a relatively complete industrial chain. However, the liquid hydrogen storage material can not be separated from the catalyst, and the hydrogen absorption and dehydrogenation process can be carried out only under the condition that the catalyst is used, in addition, the more effective catalyst is a noble metal catalyst, and the cost of the catalyst is higher, so that the application cost of the liquid hydrogen storage material is obviously improved, and the wide application of the liquid hydrogen storage material is further limited.
In order to solve the cost problem, research on solid hydrogen storage materials is also carried out, but at present, no mature solid hydrogen storage material is available, so that research and development of a solid hydrogen storage material which is low in cost, good in effect and capable of being widely used is urgently needed.
Disclosure of Invention
The application provides a metal organic complex solid hydrogen storage material and a preparation method thereof, which aim to solve the problem that no mature solid hydrogen storage material is applied at present.
In a first aspect, embodiments of the present application provide a metal-organic complex solid-state hydrogen storage material, including: the catalyst comprises a central metal ion with hydrogenation catalytic capability or stronger hydrogen bonding capability and a nitrogen-containing heterocyclic ligand, wherein the molar ratio of the central metal ion to the nitrogen-containing heterocyclic ligand is 2: 1; 1:1 or 1: 2;
the central ion is Ni2+Or Mo6+(ii) a The nitrogen-containing heterocyclic ligand is carbazole, acridine or quinoline.
With reference to the first aspect, in one implementation manner, the central ion is Ni2+And the nitrogen-containing heterocyclic ligand is quinoline.
In a second aspect, embodiments of the present application provide, in part, a method of preparing a metal-organic complex solid state hydrogen storage material, the method for preparing a metal-organic complex solid state hydrogen storage material according to any one of the first aspect, the method comprising:
will contain central ions Ni2+Or Mo6+With a nitrogen-containing heterocyclic ligand in a molar ratio of 2: 1; 1:1 or 1:2, adding a solvent, stirring and mixing uniformly to obtain a mixed solution;
placing the mixed solution into a heating container for constant-temperature heating reaction at the temperature of 110-160 ℃ for 24-96 h to obtain a reaction product;
and taking out the reaction product, cooling to normal temperature, filtering the precipitate, washing and drying to obtain the metal organic complex solid hydrogen storage material.
In one implementation, in combination with the second aspect, the Ni-containing central ion2+Or Mo6+The molar ratio of the compound of (1) to the nitrogen-containing heterocyclic ligand is 2: 1.
With reference to the second aspect, in one implementation, the solvent is water or N-dimethylformamide.
With reference to the second aspect, in one implementation, the heating vessel is a metal reaction kettle or an oil bath.
In combination with the second aspect, in one implementation, the reaction temperature is 140 ℃ and the reaction time is 72 h.
In a third aspect, the examples section herein provides an application of the metal-organic complex solid hydrogen storage material prepared by the preparation method of any one of the second aspect in solid hydrogen storage.
The application discloses a metal organic complex solid hydrogen storage material and a preparation method thereof, wherein the metal organic complex solid hydrogen storage material comprises: a central metal ion and a nitrogen-containing heterocyclic ligand which have hydrogenation catalytic capability or stronger hydrogen bonding capability, wherein the molar ratio of the central metal ion to the nitrogen-containing heterocyclic ligand is 2: 1; 1:1 or 1: 2; central ion selective Ni2+Or Mo6+(ii) a The nitrogen-containing heterocyclic ligand is selected from carbazole, acridine or quinoline; the preparation method comprises the following steps: mixing a compound containing the central metal ions and a nitrogen-containing heterocyclic ligand according to a molar ratio of 2: 1; 1:1 or 1:2, and uniformly stirring and mixing the solvent to obtain a mixed solution; putting the mixed solution into a heating container for constant-temperature heating reaction for 24-96 h at 110-160 ℃ to obtain a reaction product; and filtering, washing and drying the reaction product to obtain the metal organic complex solid hydrogen storage material.
The metal organic complex solid hydrogen storage material disclosed by the application is simple in preparation method and low in preparation cost, so that the cost of the solid hydrogen storage material is reduced, the hydrogen storage material can realize self-catalytic hydrogenation, the material can realize the hydrogen absorption and dehydrogenation process without adding a catalyst, the hydrogen storage effect is obvious, and the metal organic complex solid hydrogen storage material has a better application prospect.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for preparing a metal-organic complex solid hydrogen storage material according to an embodiment of the present disclosure;
FIG. 2 is a graph of hydrogen sorption profiles for the hydrogen storage material disclosed in example 1 of the present application;
FIG. 3 is a graph of hydrogen sorption profiles for the hydrogen storage material disclosed in example 2 of the present application;
FIG. 4 is a graph of hydrogen sorption profiles for the hydrogen storage material disclosed in example 3 of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
The metal organic complex (metal organic complex) is a net-shaped framework formed by complexing transition metal and organic ligand containing nitrogen or oxygen, is a novel porous crystal material, and belongs to an inorganic-organic hybrid material. The metal organic complex material is different from the traditional inorganic porous material. The metal organic complex material has the advantages of an inorganic metal material and the advantages of an organic compound. Therefore, the metal organic complex materials have many better characteristics such as good chemical stability, controllable pore structure, high porosity, large specific surface area and the like, which makes them well applicable to the field of gas storage.
Accordingly, in a first aspect, the present application discloses a solid hydrogen storage material based on a metal organic complex material, which employs metal ions such as Ni having hydrogenation catalytic ability or having strong hydrogen binding ability2+、Mo6+Etc. as the central metal ion, a nitrogen-containing heterocyclic compound such as: carbazole, acridine, quinoline and the like are used as organic ligands to synthesize a metal organic complex material which is used as a metal organic complex solid hydrogen storage material, and the molar ratio of the central metal ions to the nitrogen-containing heterocyclic ligands is 2: 1; 1:1 or 1: 2.
Optionally, the central metal ion is: ni2+The organic ligand is: quinoline.
The metal organic complex hydrogen storage material provided by the invention comprises the following components: central metal ion (such as Ni) with hydrogenation catalytic ability or strong hydrogen binding ability2+、Mo6+Etc.) and nitrogen-containing heterocyclic ligands (e.g., carbazole, acridine, quinoline, etc.).
The hydrogen storage material disclosed by the application can realize self-catalytic hydrogenation, so that the material can realize the hydrogen absorption and dehydrogenation process without adding a catalyst, and therefore, the hydrogen storage material is adopted to store hydrogen, the hydrogen storage effect is obvious, and the hydrogen storage material has a better application prospect.
In a second aspect, the present application discloses a method for preparing a solid-state hydrogen storage material based on a metal-organic complex material, the method for preparing the solid-state hydrogen storage material based on a metal-organic complex material disclosed in the first aspect, the method comprising:
step S1, including central ion Ni2+Or Mo6+With a nitrogen-containing heterocyclic ligand in a molar ratio of 2: 1; 1:1 or 1:2, adding the solvent, stirring and mixing uniformly to obtain a mixed solution.
In the step, firstly, a certain proportion (the mol ratio is 2: 1; 1: 1; 1:2) of Ni is taken2+、Mo6+And metal salts of metal ions with hydrogenation catalytic ability or stronger hydrogen bonding ability and nitrogen-containing heterocyclic compounds such as carbazole, acridine, quinoline and the like, then taking a certain amount of solvent, wherein the amount of the solvent is determined according to the amounts of the central metal ions and the ligands, and then uniformly stirring and mixing the three to obtain a mixed solution.
Wherein the Ni-containing central ion2+Or Mo6+The molar ratio of the compound of (1) to the nitrogen-containing heterocyclic ligand is preferably 2: 1.
Alternatively, the solvent is water or N-Dimethylformamide (DMF).
And step S2, placing the mixed solution into a heating container, heating at a constant temperature for reaction at 110-160 ℃ for 24-96 h to obtain a reaction product.
In this step, the constant temperature can be realized by using a constant temperature box.
Wherein, the reaction temperature is preferably 140 ℃, and the reaction time is preferably 72 h.
Optionally, the heating container is a metal reaction kettle or an oil bath kettle, and the lining of the metal reaction kettle is polytetrafluoroethylene.
And step S3, taking out the reaction product, cooling to normal temperature, filtering the precipitate, washing and drying to obtain the metal organic complex solid hydrogen storage material.
In this step, filtration, washing and stoving all can adopt conventional technique, select washing solvent, washing number of times and stoving temperature according to the characteristic of hydrogen storage material, and this application does not do the specific limitation.
The preparation method is simple and low in preparation cost, so that the cost of the metal organic complex solid hydrogen storage material is reduced, and the metal organic complex solid hydrogen storage material can be widely used.
Based on the preparation method disclosed above, the embodiment of the present application provides an application of the metal-organic complex solid hydrogen storage material prepared by the preparation method of any one of the second aspect in solid hydrogen storage.
In order to further examine the hydrogen storage effect of the metal-organic complex solid hydrogen storage material prepared by the above preparation method, the following is a description of a specific preparation process and a hydrogen storage application example.
Example 1
Taking nickel nitrate and quinoline according to the molar ratio of 2:1, taking deionized water as a solvent, reacting for 72 hours in a constant-temperature drying oven at 140 ℃ by using a metal reaction kettle by adopting a solvothermal (hydrothermal) method, and performing suction filtration, washing and drying to obtain a product. The synthesized metal organic complex solid hydrogen storage material is tested for hydrogen absorption performance, and the hydrogen absorption amount is 5.1% (mass ratio), the test result is shown in figure 2, the abscissa in figure 2 is time, the unit is h, and the ordinate is the hydrogen absorption amount, the unit is mass ratio.
Example 2
Taking nickel nitrate and quinoline according to the molar ratio of 1:2, taking deionized water as a solvent, mixing the raw materials, adding the mixture into a round-bottom flask, putting the flask into an oil bath, stirring and reacting for 48 hours at the constant temperature of 140 ℃, and performing suction filtration, washing and drying to obtain the product. The synthesized metal organic complex solid hydrogen storage material is tested for hydrogen absorption performance, and the hydrogen absorption amount is 2.6% (mass ratio), the test result is shown in figure 3, wherein the abscissa in figure 3 is time, the unit is h, and the ordinate is the hydrogen absorption amount, the unit is mass ratio.
Example 3
Taking nickel nitrate and acridine according to the molar ratio of 2:1, taking deionized water as a solvent, reacting for 72 hours in a constant-temperature drying box at 140 ℃ by using a metal reaction kettle by adopting a solvothermal (hydrothermal) method, and performing suction filtration, washing and drying to obtain a product. The synthesized metal organic complex solid hydrogen storage material is tested for hydrogen absorption performance, and the hydrogen absorption amount is 0.9% (mass ratio), the test result is shown in figure 4, the abscissa in figure 4 is time, the unit is h, the ordinate is hydrogen absorption amount, and the unit is mass ratio.
The above-mentioned hydrogen storage test adopts high-pressure gas adsorption appearance to test, and the test result shows that the solid-state hydrogen storage material disclosed in this application has great adsorption capacity to hydrogen, is fit for being used for storing hydrogen.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (8)
1. A metal-organic complex solid hydrogen storage material, comprising: the catalyst comprises a central metal ion with hydrogenation catalytic capability or stronger hydrogen bonding capability and a nitrogen-containing heterocyclic ligand, wherein the molar ratio of the central metal ion to the nitrogen-containing heterocyclic ligand is 2: 1; 1:1 or 1: 2;
the central ion is Ni2+Or Mo6+(ii) a The nitrogen-containing heterocyclic ligand is carbazole, acridine or quinoline.
2. The solid state hydrogen storage material of claim 1, wherein the central ion is Ni2+And the nitrogen-containing heterocyclic ligand is quinoline.
3. A method for preparing a metal-organic complex solid hydrogen storage material, wherein the method is used for preparing the metal-organic complex solid hydrogen storage material according to any one of claims 1 to 2, and the method comprises:
will contain central ions Ni2+Or Mo6+With a nitrogen-containing heterocyclic ligand in a molar ratio of 2: 1; 1:1 or 1:2, adding a solvent, stirring and mixing uniformly to obtain a mixed solution;
placing the mixed solution into a heating container for constant-temperature heating reaction at the temperature of 110-160 ℃ for 24-96 h to obtain a reaction product;
and taking out the reaction product, cooling to normal temperature, filtering the precipitate, washing and drying to obtain the metal organic complex solid hydrogen storage material.
4. The production method according to claim 3, wherein the Ni-containing central ion is Ni2+Or Mo6+The molar ratio of the compound of (1) to the nitrogen-containing heterocyclic ligand is 2: 1.
5. The method according to claim 3, wherein the solvent is water or N-N-dimethylformamide.
6. The production method according to claim 3, wherein the heating vessel is a metal reaction vessel or an oil bath.
7. The method according to claim 3, wherein the reaction temperature is 140 ℃ and the reaction time is 72 hours.
8. An application, characterized in that the application is the application of the metal organic complex solid hydrogen storage material prepared by the preparation method of any one of claims 3 to 7 in solid hydrogen storage.
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| CN113773350A (en) * | 2021-07-16 | 2021-12-10 | 云南电网有限责任公司电力科学研究院 | Metal complex hydrogen storage material and preparation method thereof |
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Cited By (1)
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| CN113773350A (en) * | 2021-07-16 | 2021-12-10 | 云南电网有限责任公司电力科学研究院 | Metal complex hydrogen storage material and preparation method thereof |
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