CN114318362A - Ruthenium nanocluster hydrogen evolution electrocatalyst and super-assembly method thereof - Google Patents
Ruthenium nanocluster hydrogen evolution electrocatalyst and super-assembly method thereof Download PDFInfo
- Publication number
- CN114318362A CN114318362A CN202111600480.1A CN202111600480A CN114318362A CN 114318362 A CN114318362 A CN 114318362A CN 202111600480 A CN202111600480 A CN 202111600480A CN 114318362 A CN114318362 A CN 114318362A
- Authority
- CN
- China
- Prior art keywords
- hydrogen evolution
- ruthenium
- evolution electrocatalyst
- nanocluster
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Catalysts (AREA)
Abstract
The invention belongs to the technical field of porous materials, and provides a ruthenium nanocluster hydrogen evolution electrocatalyst and a super assembly method thereof. And the prepared ruthenium nanocluster hydrogen evolution electrocatalyst has excellent performance, high activity and excellent stability, and meanwhile, the price of ruthenium is far lower than that of platinum, so that the ruthenium nanocluster hydrogen evolution electrocatalyst has extremely high economic benefit.
Description
Technical Field
The invention belongs to the technical field of porous materials, and particularly relates to a ruthenium nanocluster hydrogen evolution electrocatalyst and a super-assembly method thereof.
Background
Over the past decades, global energy consumption has been growing exponentially, with an expected 56% increase by 2040. Currently, 80% of the world's expendable energy is derived from fossil fuels, resulting in severe energy crisis and severe global warming. These problems have prompted scientists to develop environmentally friendly energy sources for our daily lives, with hydrogen being considered a real fossil fuel alternative in the future due to its highest mass specific energy density and zero carbon dioxide emissions. The electrochemical cracking water has the advantages of simple process, high product purity, good reproducibility and the like, and is an attractive hydrogen production method. However, Hydrogen Evolution Reactions (HER) require highly active electrocatalysts. Platinum-based compounds remain the most advanced HER electrocatalysts at present, but due to their high material costs and scarce reserves, a sustainable hydrogen supply cannot be guaranteed. Whatever the challenges it is facing, the development of an efficient, durable, low cost electrocatalyst is an urgent need for sustainable and large-scale implementation of clean energy plants.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a ruthenium nanocluster hydrogen evolution electrocatalyst and a super-assembly preparation method thereof.
The invention provides a super-assembly preparation method of a ruthenium nanocluster hydrogen evolution electrocatalyst, which is characterized by comprising the following steps of: step 1, putting a zinc zeolite imidazole framework in a tubular furnace and carrying out high-temperature carbonization in hydrogen-argon mixed gas to obtain a nitrogen-doped carbon nano framework; step 2, soaking the nitrogen-doped carbon nano-framework in a phytic acid solution, stirring, transferring to an evaporation container, and evaporating to induce self-assembly to obtain the phytic acid modified nitrogen-doped carbon nano-framework; and 3, soaking the nitrogen-doped carbon nano-framework modified by the phytic acid into a ruthenium trichloride hydrate solution, and stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein, step 1 includes the following substeps: step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution; step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution; step 1-3, quickly pouring an imidazole methanol solution into a zinc methanol solution to obtain a mixed solution; and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein the molar ratio of zinc nitrate hexahydrate to dimethylimidazole is 1: 4-1: 5, the concentration of imidazole methanol solution is 10-25%, and the concentration of zinc methanol solution is 2-6%.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein, in the step 1, the concentration of the hydrogen in the hydrogen-argon mixed gas is 5-10%.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein in the step 1, the temperature of the high-temperature carbonization is 900-1100 ℃, the time is 2-4 hours, and the heating rate is 5 ℃/min.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein, in the step 2, the concentration of the phytic acid solution is 1 to 4 percent.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: in the step 2, the mixture is transferred to an evaporation dish after ultrasonic stirring, evaporation is induced to carry out self-assembly, the temperature during evaporation is controlled to be 80-100 ℃, and the evaporation time is 8-12 hours.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein, in the step 3, the ruthenium nanocluster hydrogen evolution electrocatalyst is obtained after ultrasonic stirring, and when the ultrasonic stirring is carried out, the reaction temperature is controlled to be 50-60 ℃, and the reaction time is 12-16 hours.
The ruthenium nanocluster hydrogen evolution electrocatalyst super-assembly preparation method provided by the invention can also have the following characteristics: wherein, in the step 3, the concentration of the ruthenium trichloride hydrate solution is 1 mg/mL.
The invention also provides a ruthenium nanocluster hydrogen evolution electrocatalyst which is characterized by being prepared by a super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst.
Action and Effect of the invention
According to the ruthenium nanocluster hydrogen evolution electrocatalyst and the super-assembly preparation method thereof, the production process is simple, the zinc zeolite imidazole framework is carbonized at high temperature to obtain the nitrogen-doped carbon nano framework, then the framework is mixed with phytic acid solution to obtain the phytic acid modified nitrogen-doped carbon nano framework, the modified nano framework is used as a carrier to be mixed with ruthenium trichloride hydrate solution, metal ions in the solution are chelated by phosphate radicals in the phytic acid molecular structure modified on the surface of the nano framework in the reaction process to form ruthenium nanoclusters, and finally the corresponding ruthenium nanocluster hydrogen evolution electrocatalyst is obtained. And the prepared ruthenium nanocluster hydrogen evolution electrocatalyst has excellent performance, high activity and excellent stability, and meanwhile, the price of ruthenium is far lower than that of platinum, so that the ruthenium nanocluster hydrogen evolution electrocatalyst has extremely high economic benefit.
According to the invention, a nitrogen-doped carbon nano-frame modified by phytic acid is used as a carrier, phosphate radicals in a phytic acid molecular structure on the surface of the carrier can chelate metal ions in a solution, a ruthenium nanocluster is obtained on the surface of the frame, and finally the ruthenium nanocluster hydrogen evolution electrocatalyst is obtained. The preparation method of the material is simple and is expected to be applied to industrial production.
Drawings
Fig. 1 is a transmission electron microscope image of a ruthenium nanocluster hydrogen evolution electrocatalyst in example 1 of the present invention;
FIG. 2 is a transmission electron micrograph showing spherical aberration correction of a ruthenium nanocluster hydrogen evolution electrocatalyst according to example 1 of the present invention;
fig. 3 is an X-ray photoelectron spectrum of ruthenium (Ru) of the ruthenium nanocluster hydrogen evolution electrocatalyst according to example 1 of the present invention;
FIG. 4 is a linear sweep voltammogram of hydrogen evolution in a 1M KOH electrolyte for the ruthenium nanocluster hydrogen evolution electrocatalyst according to this example 1 of the present invention;
fig. 5 is a graph showing a stability test of the ruthenium nanocluster hydrogen evolution electrocatalyst according to this embodiment 1 of the present invention;
fig. 6 is a high power transmission electron micrograph of the ruthenium nanocluster hydrogen evolution electrocatalyst according to example 2 of the present invention;
fig. 7 is a high-power transmission electron microscope image of the ruthenium nanocluster hydrogen evolution electrocatalyst in example 3 of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the invention easy to understand, the following describes a ruthenium nanocluster hydrogen evolution electrocatalyst and a super-assembly preparation method thereof in detail with reference to the embodiments and the accompanying drawings.
The methods in the examples of the present invention are conventional methods unless otherwise specified, and the starting materials in the examples of the present invention are commercially available from public sources unless otherwise specified.
The invention relates to a super-assembly preparation method of a ruthenium nanocluster hydrogen evolution electrocatalyst, which specifically comprises the following steps:
and 3, soaking the nitrogen-doped carbon nano-framework modified by the phytic acid into a ruthenium trichloride hydrate solution, and performing ultrasonic stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution;
step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution;
step 1-3, quickly pouring an imidazole methanol solution into a zinc methanol solution to obtain a mixed solution;
and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
The molar ratio of zinc nitrate hexahydrate to dimethyl imidazole is 1: 4-1: 5, the concentration of the imidazole methanol solution is 10% -25%, and the concentration of the zinc methanol solution is 2% -6%.
In the step 1, the concentration of hydrogen in the hydrogen-argon mixed gas is 5-10 percent; the temperature of the high-temperature carbonization is 900-1100 ℃, the time is 2-4 hours, and the heating rate is 5 ℃/min.
In the step 2, the concentration of the phytic acid solution is 1-4 percent; the temperature during evaporation is controlled to be 80-100 ℃, and the evaporation time is 8-12 hours.
In the step 3, when ultrasonic stirring is carried out, the reaction temperature is controlled to be 50-60 ℃, and the reaction time is 12-16 hours. The concentration of the ruthenium trichloride hydrate solution was 1 mg/mL.
< example 1>
The super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst comprises the following steps of:
The step 1 comprises the following substeps:
step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution;
step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution;
step 1-3, quickly pouring an imidazole methanol solution into a zinc methanol solution to obtain a mixed solution;
and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
The molar ratio of zinc nitrate hexahydrate to dimethylimidazole was 1:4, the concentration of imidazole in methanol was 10%, and the concentration of zinc in methanol was 2%.
In step 1, the concentration of the hydrogen-argon mixture gas is 5%.
In the step 1, the temperature of high-temperature carbonization is 1000 ℃, the time is 3 hours, and the heating rate is 5 ℃/min.
And 2, soaking the nitrogen-doped carbon nano-frame in a phytic acid solution, and evaporating the solution.
In step 2, the concentration of the phytic acid solution is 4%.
In step 2, the evaporation temperature is controlled at 100 ℃ and the evaporation time is 12 hours.
And 3, soaking the nitrogen-doped nano-framework modified by the phytic acid in a ruthenium trichloride hydrate solution, and performing ultrasonic stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
In the step 3, when ultrasonic stirring is carried out, the reaction temperature is controlled to be 50 ℃, and the reaction time is 16 hours.
In step 3, the concentration of the ruthenium trichloride hydrate is 1 mg/mL.
The ruthenium nanocluster hydrogen evolution electrocatalyst is prepared by a super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst.
Fig. 1 is a transmission electron microscope image of the ruthenium nanocluster hydrogen evolution electrocatalyst in this example.
As shown in fig. 1, the ruthenium nanocluster hydrogen evolution electrocatalyst is a rhombohedral with relatively uniform size.
Fig. 2 is a transmission electron micrograph showing high resolution of spherical aberration correction of the ruthenium nanocluster hydrogen evolution electrocatalyst according to the present example.
As shown in fig. 2, many ruthenium nanoclusters can be observed by the ruthenium nanocluster hydrogen evolution electrocatalyst under a high-resolution transmission electron microscope for spherical aberration correction, wherein the dark part represents the phytic acid modified nitrogen-doped carbon support, and the bright block is the supported ruthenium nanocluster.
Fig. 3 is an X-ray photoelectron spectrum of ruthenium (Ru) of the ruthenium nanocluster hydrogen evolution electrocatalyst according to the present example.
As shown in fig. 3, the X-ray photoelectron spectrum of ruthenium (Ru) of the ruthenium nanocluster hydrogen evolution electrocatalyst shows that most of the valence states of Ru in the material are 0.
In the embodiment, the ruthenium nanocluster hydrogen evolution electrocatalyst is ground into powder to prepare ink with a certain concentration, a small amount of ink is dropped on the surface of a platinum-carbon electrode, after the ink is naturally air-dried, a glassy carbon electrode coated with the ink, a mercury oxide electrode, a graphite rod and an electrolytic cell filled with electrolyte are assembled into a three-electrode electrolytic water testing system, and the electro-catalysis performance of the system is tested by using an electrochemical workstation.
Fig. 4 is a linear sweep voltammogram of hydrogen evolution of the ruthenium nanocluster hydrogen evolution electrocatalyst of this example in a 1M KOH electrolyte.
As shown in FIG. 4, when the catalyst of the electrolyzed water test system is ruthenium nanocluster hydrogen evolution electrocatalyst in 1M KOH solution, only 11mV of low overpotential is needed to make the current density of the reaction system reach 10mA cm-2And is superior to commercial platinum carbon (Pt/C) catalyst and commercial ruthenium carbon (Ru/C) catalyst. Meanwhile, with the increase of current density, the difference of the three catalysts is larger and larger, and the advantages of the ruthenium nanocluster hydrogen evolution electrocatalyst are more and more obvious.
Fig. 5 is a stability test graph of the ruthenium nanocluster hydrogen evolution electrocatalyst according to the present embodiment.
As shown in FIG. 5, at 10mA cm-2Under the current density, the ruthenium nanocluster hydrogen evolution electrocatalyst can ensure that the catalytic activity is almost not attenuated within 24 hours, and the ruthenium nanocluster hydrogen evolution electrocatalyst has excellent practical use potential.
< example 2>
The super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst comprises the following steps of:
The step 1 comprises the following substeps:
step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution;
step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution;
step 1-3, quickly pouring an imidazole methanol solution into a zinc methanol solution to obtain a mixed solution;
and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
The molar ratio of zinc nitrate hexahydrate to dimethylimidazole was 1:4, the concentration of imidazole in methanol was 15%, and the concentration of zinc in methanol was 4%.
In step 1, the concentration of the hydrogen-argon mixture gas is 5%.
In the step 1, the temperature of high-temperature carbonization is 900 ℃, the time is 4 hours, and the heating rate is 5 ℃/min.
And 2, soaking the nitrogen-doped carbon nano-frame in a phytic acid solution, and evaporating the solution.
In step 2, the concentration of the phytic acid solution is 2%.
In the step 2, the evaporation temperature is controlled at 90 ℃ and the evaporation time is 10 hours.
And 3, soaking the nitrogen-doped nano-framework modified by the phytic acid in a ruthenium trichloride hydrate solution, and performing ultrasonic stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
In the step 3, when ultrasonic stirring is carried out, the reaction temperature is controlled to be 55 ℃, and the reaction time is controlled to be 16 hours.
In step 3, the concentration of the ruthenium trichloride hydrate is 1 mg/mL.
The ruthenium nanocluster hydrogen evolution electrocatalyst is prepared by a super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst.
Fig. 6 is a high power transmission electron micrograph of the ruthenium nanocluster hydrogen evolution electrocatalyst according to this example.
As shown in fig. 6, many ruthenium nanoclusters with deep contrast can be observed by the ruthenium nanocluster hydrogen evolution electrocatalyst under a high-power transmission electron microscope.
< example 3>
The super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst comprises the following steps of:
The step 1 comprises the following substeps:
step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution;
step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution;
step 1-3, quickly pouring an imidazole methanol solution into a zinc methanol solution to obtain a mixed solution;
and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
The molar ratio of zinc nitrate hexahydrate to dimethylimidazole was 1:5, the concentration of imidazole in methanol was 25%, and the concentration of zinc in methanol was 6%.
In step 1, the concentration of the hydrogen-argon mixture gas is 10%.
In the step 1, the temperature of high-temperature carbonization is 1100 ℃, the time is 2 hours, and the heating rate is 5 ℃/min.
And 2, soaking the nitrogen-doped carbon nano-frame in a phytic acid solution, and evaporating the solution.
In step 2, the concentration of the phytic acid solution is 1%.
In the step 2, the evaporation temperature is controlled at 80 ℃, and the evaporation time is 8 hours.
And 3, soaking the nitrogen-doped nano-framework modified by the phytic acid in a ruthenium trichloride hydrate solution, and performing ultrasonic stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
In the step 3, when ultrasonic stirring is carried out, the reaction temperature is controlled to be 60 ℃, and the reaction time is 16 hours.
In step 3, the concentration of the ruthenium trichloride hydrate is 1 mg/mL.
The ruthenium nanocluster hydrogen evolution electrocatalyst is prepared by a super-assembly preparation method of the ruthenium nanocluster hydrogen evolution electrocatalyst.
Fig. 7 is a high-power transmission electron micrograph of the ruthenium nanocluster hydrogen evolution electrocatalyst in this example.
As shown in fig. 7, many ruthenium nanoclusters with deep contrast can be observed by the ruthenium nanocluster hydrogen evolution electrocatalyst under a high-power transmission electron microscope.
Effects and effects of the embodiments
According to the ruthenium nanocluster hydrogen evolution electrocatalyst and the super-assembly preparation method thereof, the production process is simple, the zinc zeolite imidazole framework is carbonized at high temperature to obtain the nitrogen-doped carbon nano framework, then the framework is soaked in phytic acid solution, the phytic acid modified nitrogen-doped carbon nano framework is obtained by evaporation induced self-assembly, then the modified framework is soaked in ruthenium trichloride hydrate solution, ultrasonic stirring is carried out, phosphate radicals in the phytic acid structure on the surface of the framework in the reaction process can chelate metal ions in the solution to form ruthenium nanoclusters, and finally the corresponding ruthenium nanocluster hydrogen evolution electrocatalyst is obtained. And the prepared ruthenium nanocluster hydrogen evolution electrocatalyst has excellent performance, high activity and excellent stability, and meanwhile, the price of ruthenium is much lower than that of platinum, so that the catalyst has extremely high economic benefit.
According to the embodiment of the invention, the nitrogen-doped carbon nano-frame modified by phytic acid is used as a carrier, phosphate radicals in a phytic acid molecular structure on the surface of the carrier can chelate metal ions in a solution, ruthenium nanoclusters are obtained on the surface of the frame, and finally the ruthenium nanocluster hydrogen evolution electrocatalyst is obtained. The preparation method of the material is simple and is expected to be applied to industrial production.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. A super-assembly preparation method of a ruthenium nanocluster hydrogen evolution electrocatalyst is characterized by comprising the following steps of:
step 1, putting a zinc zeolite imidazole framework in a tubular furnace and carrying out high-temperature carbonization in hydrogen-argon mixed gas to obtain a nitrogen-doped carbon nano framework;
step 2, soaking the nitrogen-doped carbon nano-framework in a phytic acid solution, stirring, transferring to an evaporation container, and evaporating to induce self-assembly to obtain the phytic acid modified nitrogen-doped carbon nano-framework;
and 3, soaking the phytic acid modified nitrogen-doped carbon nano-framework into a ruthenium trichloride hydrate solution, and stirring to obtain the ruthenium nanocluster hydrogen evolution electrocatalyst.
2. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
wherein, step 1 includes the following substeps:
step 1-1, ultrasonically dissolving dimethyl imidazole in methanol to obtain an imidazole methanol solution;
step 1-2, ultrasonically dissolving zinc nitrate hexahydrate in methanol to obtain a zinc methanol solution;
step 1-3, quickly pouring the imidazole methanol solution into the zinc methanol solution to obtain a mixed solution;
and 1-4, stirring the mixed solution at room temperature for 24 hours, and then centrifuging and drying in vacuum to obtain the zinc zeolite imidazole framework.
3. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 2, characterized in that:
wherein the molar ratio of the zinc nitrate hexahydrate to the dimethyl imidazole is 1: 4-1: 5,
the concentration of the imidazole methanol solution is 10 to 25 percent,
the concentration of the zinc methanol solution is 2-6%.
4. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
wherein in the step 1, the concentration of the hydrogen in the hydrogen-argon mixed gas is 5-10%.
5. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
in the step 1, the high-temperature carbonization is carried out at 900-1100 ℃ for 2-4 hours at a heating rate of 5 ℃/min.
6. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
in the step 2, the concentration of the phytic acid solution is 1-4%.
7. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
in the step 2, the mixture is transferred to an evaporation dish after ultrasonic stirring, evaporation is induced to carry out self-assembly, the temperature during evaporation is controlled to be 80-100 ℃, and the evaporation time is 8-12 hours.
8. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
in the step 3, the ruthenium nanocluster hydrogen evolution electrocatalyst is obtained after ultrasonic stirring, and when the ultrasonic stirring is carried out, the reaction temperature is controlled to be 50-60 ℃, and the reaction time is 12-16 hours.
9. The method for preparing a ruthenium nanocluster hydrogen evolution electrocatalyst according to claim 1, characterized in that:
wherein, in the step 3, the concentration of the ruthenium trichloride hydrate solution is 1 mg/mL.
10. A ruthenium nanocluster hydrogen evolution electrocatalyst characterized by being prepared by the super-assembly preparation method of a ruthenium nanocluster hydrogen evolution electrocatalyst according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600480.1A CN114318362B (en) | 2021-12-24 | 2021-12-24 | Ruthenium nanocluster hydrogen evolution electrocatalyst and super-assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600480.1A CN114318362B (en) | 2021-12-24 | 2021-12-24 | Ruthenium nanocluster hydrogen evolution electrocatalyst and super-assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114318362A true CN114318362A (en) | 2022-04-12 |
| CN114318362B CN114318362B (en) | 2023-08-29 |
Family
ID=81013915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111600480.1A Active CN114318362B (en) | 2021-12-24 | 2021-12-24 | Ruthenium nanocluster hydrogen evolution electrocatalyst and super-assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114318362B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569928A (en) * | 2020-05-12 | 2020-08-25 | 武汉理工大学 | MOFs-derived carbon-based material anchored high-dispersion metal Pt nanocluster and preparation method and application thereof |
| CN113437314A (en) * | 2021-06-29 | 2021-09-24 | 青岛科技大学 | Nitrogen-doped carbon-supported low-content ruthenium and Co2Three-function electrocatalyst of P nano particle and preparation method and application thereof |
| CN113617349A (en) * | 2021-05-27 | 2021-11-09 | 中国科学院金属研究所 | Nano carbon solid acid catalyst, preparation thereof and application thereof in preparation of olefin through catalytic dehydration of alcohol |
| CN113684502A (en) * | 2021-09-19 | 2021-11-23 | 华东理工大学 | Preparation method of nitrogen-doped carbon-based supported ruthenium catalyst for hydrogen electrolysis |
-
2021
- 2021-12-24 CN CN202111600480.1A patent/CN114318362B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569928A (en) * | 2020-05-12 | 2020-08-25 | 武汉理工大学 | MOFs-derived carbon-based material anchored high-dispersion metal Pt nanocluster and preparation method and application thereof |
| CN113617349A (en) * | 2021-05-27 | 2021-11-09 | 中国科学院金属研究所 | Nano carbon solid acid catalyst, preparation thereof and application thereof in preparation of olefin through catalytic dehydration of alcohol |
| CN113437314A (en) * | 2021-06-29 | 2021-09-24 | 青岛科技大学 | Nitrogen-doped carbon-supported low-content ruthenium and Co2Three-function electrocatalyst of P nano particle and preparation method and application thereof |
| CN113684502A (en) * | 2021-09-19 | 2021-11-23 | 华东理工大学 | Preparation method of nitrogen-doped carbon-based supported ruthenium catalyst for hydrogen electrolysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114318362B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109252180B (en) | Ternary MOF nanosheet array material, preparation method and application thereof | |
| CN108736031B (en) | Self-supporting PtCo alloy nanoparticle catalyst and preparation method and application thereof | |
| CN110075853B (en) | Electrocatalytic fully-decomposed water CoZn-LDHs-ZIF @ C composite structure material, and preparation method and application thereof | |
| CN109569651B (en) | Dual-function catalyst RuCo @ HCSs and preparation method and application thereof | |
| CN104923268A (en) | Self-support transition metal selenide catalyst as well as preparation method and application thereof | |
| CN113005469B (en) | Ruthenium-loaded amorphous nickel hydroxide/nickel phosphide composite electrode and preparation method and application thereof | |
| CN111001428B (en) | Metal-free carbon-based electrocatalyst, preparation method and application | |
| CN109652821A (en) | For the Ni-N-C catalyst of carbon dioxide electro-reduction reaction and preparation and application | |
| CN109621981B (en) | Metal oxide-sulfide composite oxygen evolution electrocatalyst and preparation method and application thereof | |
| CN107394215B (en) | Preparation and application of heteroatom-doped functional carbon material | |
| CN111871427B (en) | Precious metal/molybdenum-nickel composite material and preparation method and application thereof | |
| CN108179433B (en) | Ordered mesopore carbon loads nanometer iridium base electrocatalytic hydrogen evolution electrode and its preparation and application | |
| CN109019783A (en) | Carbon-based catalysis electrode of cobalt hydroxide/ZIF-67 and its preparation method and application | |
| CN109759066B (en) | Preparation method of boron-doped graphene-loaded cobalt-nickel bimetallic oxide oxygen evolution catalyst | |
| CN113235104A (en) | ZIF-67-based lanthanum-doped cobalt oxide catalyst and preparation method and application thereof | |
| Liu et al. | Synergistic coupling of nickel boride with Ru cluster as a highly active multifunctional electrocatalyst for overall water splitting and glucose electrolysis | |
| CN114293200B (en) | Porous carbon supported amorphous/crystalline ruthenium-based high-efficiency hydrogen evolution catalyst and preparation and application thereof | |
| CN110560117A (en) | Bimetallic cobalt ruthenium-nitrogen phosphorus doped porous carbon electrocatalyst and preparation method and application thereof | |
| Chen et al. | Effect of nickel phosphide nanoparticles crystallization on hydrogen evolution reaction catalytic performance | |
| CN105529474A (en) | Graphene wrapped ultra-dispersed nano molybdenum carbide electro-catalysis hydrogen producing catalyst and preparation method thereof | |
| CN113637997A (en) | Co2P/CuP2Preparation method of/NF hydrogen evolution and oxygen evolution electrocatalyst | |
| Li et al. | Watermelon Peel‐Derived Nitrogen‐Doped Porous Carbon as a Superior Oxygen Reduction Electrocatalyst for Zinc‐Air Batteries | |
| CN109860645B (en) | Preparation method and application of biogel nitrogen fixation doped porous carbon | |
| CN114875442A (en) | Ruthenium-modified molybdenum-nickel nanorod composite catalyst and preparation method and application thereof | |
| CN110773202A (en) | Preparation method of yolk-shell structured nickel-molybdenum bimetallic sulfide applied to water cracking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |