CN113481537B - Nickel-based compound @ MoS 2 Preparation and application of core-shell nano material - Google Patents
Nickel-based compound @ MoS 2 Preparation and application of core-shell nano material Download PDFInfo
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- CN113481537B CN113481537B CN202110846981.1A CN202110846981A CN113481537B CN 113481537 B CN113481537 B CN 113481537B CN 202110846981 A CN202110846981 A CN 202110846981A CN 113481537 B CN113481537 B CN 113481537B
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 35
- 239000011258 core-shell material Substances 0.000 title claims abstract description 22
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 239000006260 foam Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 6
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims abstract description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims abstract description 4
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 20
- 239000008367 deionised water Substances 0.000 claims description 18
- 229910021641 deionized water Inorganic materials 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011669 selenium Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 6
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 2
- 238000009210 therapy by ultrasound Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000002064 nanoplatelet Substances 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010411 electrocatalyst Substances 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical class [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000011964 heteropoly acid Substances 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001144 powder X-ray diffraction data Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011684 sodium molybdate Substances 0.000 description 1
- 235000015393 sodium molybdate Nutrition 0.000 description 1
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
- C25B11/031—Porous electrodes
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention relates to a nickel-based compound @ MoS in the field of electrocatalytic hydrogen evolution 2 Preparation and application of core-shell nanometer material. The invention aims to solve the problems of rare raw material reserves, higher overpotential of hydrogen evolution reaction and high cost of the high-performance electrocatalyst synthesized by the prior art. The patent designs and develops a nickel-based compound @ MoS 2 Core-shell nanomaterials. The method comprises the following steps: the nickel-based compound @ MoS is prepared by taking Keggin type polyacid cobalt molybdenum twelve, selenium powder, foam nickel and thioacetamide as raw materials and adopting a two-step hydrothermal synthesis method 2 The core-shell nano material can be suitable for electrocatalytic hydrogen evolution reaction in alkaline electrolyte and has the characteristics of low hydrogen evolution overpotential and high catalytic hydrogen production activity.
Description
Technical Field
The invention relates to the field of electrocatalytic hydrogen evolution, in particular to a nickel-based compound @ MoS 2 Preparation of core-shell nano material
Background
With the development of society, urgent demands for energy demands and the gradual exhaustion of fossil fuels, ecological friendly and sustainable hydrogen energy sources are attracting great attention. The electrocatalytic decomposition of water to produce hydrogen is a clean, simple and renewable way capable of effectively relieving energy requirements. At present, the traditional and excellent electrocatalyst is a catalyst based on a noble metal material, the noble metal Pt has strong catalytic activity, and the catalyst is focused in the field of electrocatalytic hydrogen evolution, but the rare property and the high price limit the application market. Polyacids have good redox capabilities and can reversibly accept and release one or more electrons. The electrochemical reaction takes place by electron transfer, which therefore offers the possibility of acting as an electrocatalyst. The polyacid synthesis method is simple, the cost is low, the structure is colorful and various, the polyacid has metal elements with high redox activity, the polyacid can be combined with an organic system through covalent bonds to form a polyacid-based inorganic-organic hybrid compound, other elements can be replaced and doped, and the formed heteropolyacid nanocluster can be used for adjusting the electrochemical properties of the polyacid to a certain extent. And, combining the polyacid with other substances into a composite material by some means is also a means of adjusting the properties of the polyacid itself. And nickel foam is a highly conductive material having a three-dimensional porous structure. Therefore, the preparation of the multi-metal composite material with high activity, high stability and conductivity by taking polyacid as a raw material is a promising and meaningful work.
Disclosure of Invention
To overcome the problems of high price and polyacid production of the traditional electrocatalytic hydrogen evolution catalystThe invention provides a simple and low-cost method for preparing a nickel-based compound @ MoS for overcoming the defects of poor raw material stability, poor conductivity and the like 2 The core-shell nano material has the advantages of higher specific surface area, higher electrocatalytic performance, good stability and the like when being used as an electrocatalytic hydrogen evolution catalyst material.
The purpose of the invention is realized in the following way:
nickel-based compound @ MoS 2 The preparation of the core-shell nano material comprises the following steps:
(1) NF (nickel foam) cut to about 1x1.5cm 2 Sequentially carrying out ultrasonic treatment on the rectangular block of the nickel foam by using acetone, ethanol and deionized water for 30min, repeatedly washing the nickel foam by using the deionized water, and putting the nickel foam into an oven for drying at 80 ℃ for overnight for standby.
(2) Adding 0.05g of selenium powder into a polytetrafluoroethylene liner of a high-pressure reaction kettle with the volume of 25ml, sequentially adding 3ml of deionized water and 2ml of ethylenediamine, magnetically stirring at room temperature for 10min to uniformly mix, adding 2 cleaned NF, and stirring for 10min. Sealing, placing the reaction kettle into an electrothermal blowing drying oven at 180 ℃ for 3 hours, taking out, cleaning with deionized water, and then placing into the drying oven for drying for 6 hours at room temperature to obtain tree-shaped Ni 3 Se 2 And a front structure.
(3) 0.15g of cobalt molybdenum dodecapolyacid and 0.3g of thioacetamide are weighed and dissolved in 10ml of deionized water, stirred at room temperature for 5min, poured into a polytetrafluoroethylene liner with a volume of 25ml, and then placed into two pieces of treated NF. After sealing, the reaction kettle is put into an electrothermal blowing drying oven at 140 ℃ for 20 hours, taken out, washed by deionized water, and then put into a drying oven at 60 ℃ for drying for 12 hours.
The nickel-based compound @ MoS 2 The application of the core-shell nano material is mainly in the aspect of electrocatalytic decomposition of water to hydrogen.
The application method comprises the following steps: 1.0 mol/L of aqueous potassium hydroxide solution was used as the electrolyte solution, the nickel-based compound @ MoS 2 The core-shell nano material is taken as a working electrode, a saturated calomel electrode is taken as a reference electrode, a carbon rod electrode is taken as a counter electrode, and the core-shell nano material is lapped in the wayA three-electrode system was constructed. In the alkaline electrolyte solution, when the current density is 10mAcm -2 At this time, the overpotential was 56mV, and the steady operation state was maintained for 24 hours.
Compared with the prior art, the invention has the following characteristics:
the invention starts from improving the conductivity of the material and changing the structure of the material. By a hydrothermal synthesis method, three-dimensional porous NF with high conductivity is used as a catalyst growth carrier, keggin type polyacid is adopted to provide a stable bimetallic source, so that the technical bottlenecks of uneven mixing, mutual separation, asynchronous reaction, different product morphology, easy agglomeration and the like of reaction raw materials in the traditional metal sulfide preparation technical line with simple sodium molybdate and metal salt as main raw materials are effectively overcome, and the defect that free metal salt has different nucleation rates in the hydrothermal process is effectively overcome. The material has good hydrogen evolution performance and lower overpotential when being used as an electrocatalytic hydrogen evolution catalyst, and the current density is 10mAcm in alkaline electrolyte solution -2 At this time, the overpotential was 56mV, and the steady operation state was maintained for 24 hours. The invention synthesizes a trimetallic self-supporting composite material by a simple two-step hydrothermal method, avoids agglomeration of materials, enhances charge transfer under the condition of no additional binder, and avoids masking of active centers by using the binder, thereby endowing electrodes with high catalytic activity so as to realize tight combination of the composite material and conductive material, improving electron transmission capacity and improving stability of a catalyst, and preparing the nickel-based compound @ MoS 2 Core-shell nanomaterials.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1, nickel-based Compound @ MoS 2 The core-shell nano material comprises the following preparation steps:
(1) Cutting the nickel foam to about 1x1.5cm 2 Sequentially ultrasonic treating with acetone, ethanol and deionized water for 30min, repeatedly washing foam nickel with deionized water, and placingOven-dried at 80deg.C overnight for use.
(2) Adding 0.05g of selenium powder into a polytetrafluoroethylene liner of a high-pressure reaction kettle with the volume of 25ml, sequentially adding 3ml of deionized water and 2ml of ethylenediamine, magnetically stirring at room temperature for 10min to uniformly mix, adding 2 cleaned NF, and stirring for 10min. Sealing, placing the reaction kettle into an electrothermal blowing drying oven at 180 ℃ for 3 hours, taking out, respectively cleaning with deionized water and absolute ethyl alcohol, and then placing into the drying oven for drying for 6 hours at room temperature to obtain tree-shaped Ni 3 Se 2 And a front structure.
(3) 0.15g of cobalt molybdenum dodecapolyacid and 0.3g of thioacetamide are weighed and dissolved in 10ml of deionized water, stirred at room temperature for 5min, poured into a polytetrafluoroethylene liner with a volume of 25ml, and then placed into two pieces of treated NF. After sealing, the reaction kettle is put into an electrothermal blowing drying oven at 140 ℃ for 20 hours, taken out, respectively washed by deionized water and absolute ethyl alcohol, and then put into a drying oven at 60 ℃ for drying for 12 hours.
The invention is further described with reference to the accompanying drawings and examples:
drawings
As shown in FIG. 1, a nickel-based compound @ MoS 2 Hydrogen evolution polarization curve of core-shell nanomaterial in alkaline electrolyte solution. It can be observed that when the current density is 10mAcm -2 The electrode material overpotential was 56mV.
FIG. 2 shows a nickel-based compound @ MoS 2 XRD spectra of core-shell nanomaterial, from which it can be observed that different characteristic peaks appear in the target material, and CoS 2 、MoS 2 、Ni 3 Se 2 And Ni 3 S 2 By comparing the standard color chart of (C), the CoS can be seen 2 、MoS 2 、Ni 3 Se 2 And Ni 3 S 2 The diffraction peaks of (2) appear on the PXRD pattern of the target material. Specifically, diffraction peaks appearing at 14.1 °, 32.6 °, 35.3 °, and 58.5 ° are assigned to MoS 2 The diffraction peak positions appearing at 32.3 °, 36.2 °, 54.9 ° of the (002), (101), (102) and (110) crystal planes of (JCPDS, no. 37-1492) are assigned to CoS 2 (JCPDS,No.65-3322 (200), (210) and (311) crystal planes, diffraction peak positions appearing at 31.1 °, 49.7 °, 55.3 ° are attributed to Ni 3 S 2 The (110), (113) and (300) crystal planes of (JCPDS, no. 65-3322) are assigned to Ni at diffraction peak positions of 29.5 °, 42.6 ° and 52.7 ° 3 Se 2 (JCPDS, no. 65-3322) of the crystal planes (110), (202) and (122).
FIG. 3 shows a nickel-based compound @ MoS 2 The hydrogen evolution stability curve of the core-shell nano material can be observed to be basically stable without obvious fluctuation, and the electrode material can continuously and stably work in 24 hours.
FIG. 4 shows a nickel-based compound @ MoS 2 The potential window of the core-shell nano material is a cyclic voltammogram of-0.80 to-0.60V under different scanning speeds (10, 20, 30, 40, 50, 60, 70, 80, 90 and 100 mV@s).
FIG. 5 shows a nickel-based compound @ MoS 2 Scanning electron microscope pictures of the core-shell nano material under different sizes can observe that Ni is still reserved in the sample after secondary hydrothermal treatment 3 Se 2 Is a tree structure of (a). It can be seen that the surface of the branch is due to MoS 2 And CoS 2 The coverage of (a) becomes very rough.
Claims (1)
1. Nickel-based compound @ MoS 2 The preparation method of the core-shell nano material is characterized in that the nickel-based compound @ MoS prepared by the preparation method 2 The core-shell nano material is applied to the field of hydrogen production by electrocatalytic decomposition of water, and the application method comprises the following steps: 1.0 mol/L of potassium hydroxide aqueous solution is taken as electrolyte solution, and the nickel-based compound @ MoS 2 The core-shell nano material is used as a working electrode, a saturated calomel electrode is used as a reference electrode, a carbon rod electrode is used as a counter electrode, and when the current density is 10mAcm in an alkaline electrolyte solution -2 At this time, the overpotential was 56mV and remained stable after 24 hours of operation; the preparation method synthesizes nickel-based compound @ MoS 2 Three-dimensional dendritic core-shell nano structure, and at the same time, under the action of thioacetamide, the foam nickel substrate has compact Ni on the surface layer 3 S 2 Covered with Ni 3 Se 2 The surface obtains the 1T-2H phase mixed MoS with a single-layer structure 2 Nanoplatelets, substrate nickel foam and Ni obtained 3 S 2 、Ni 3 Se 2 The conductive material has good conductivity;
the preparation method comprises the following steps:
(1) Cutting the foam nickel into 1X1.5cm pieces 2 Sequentially carrying out ultrasonic treatment on the rectangular block with acetone, ethanol and deionized water for 30min, repeatedly washing foam nickel with deionized water, and drying in an oven at 80 ℃ for overnight;
(2) Adding 0.05g of selenium powder into a polytetrafluoroethylene liner of a high-pressure reaction kettle with the volume of 25mL, sequentially adding 3mL of deionized water and 2mL of ethylenediamine, magnetically stirring at room temperature for 10min to uniformly mix, adding 2 pieces of washed foam nickel, stirring for 10min, sealing, placing the reaction kettle into an electrothermal blowing drying oven with the temperature of 180 ℃ for 3h, taking out, washing with deionized water, and drying for 6h at room temperature in the drying oven to obtain tree-shaped Ni 3 Se 2 A front structure;
(3) Weighing 0.15g of cobalt molybdenum dodecapolyacid and 0.3g of thioacetamide, dissolving in 10mL of deionized water, stirring at room temperature for 5min, injecting into a polytetrafluoroethylene lining with the volume of 25mL, then placing two pieces of treated foam nickel, sealing, placing the reaction kettle into an electrothermal blowing drying oven with the temperature of 140 ℃ for preserving heat for 20h, taking out, cleaning with deionized water, and then placing into a drying oven with the temperature of 60 ℃ for drying for 12h.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402654A (en) * | 2018-10-30 | 2019-03-01 | 长安大学 | A kind of MoS with substrate protective function2/Ni3Se2Compound Electrocatalytic Activity for Hydrogen Evolution Reaction agent and preparation method thereof |
| CN110813323A (en) * | 2019-11-19 | 2020-02-21 | 中山大学 | High-efficiency and durable hydrogen evolution nickel-based catalyst constructed by atomic layer deposition and preparation method and application thereof |
| CN112058281A (en) * | 2020-05-14 | 2020-12-11 | 哈尔滨理工大学 | Preparation and application of bimetallic sulfide crystal derived from cobalt germanomolybdenum polyacid complex |
| CN112169812A (en) * | 2020-09-22 | 2021-01-05 | 陕西科技大学 | Preparation method of self-supporting core-shell nano electro-catalyst for full electrolysis of water |
| CN112501648A (en) * | 2020-12-01 | 2021-03-16 | 哈尔滨理工大学 | Preparation and application of nickel foam-loaded polyacid-derived manganese molybdenum sulfide |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180171493A1 (en) * | 2016-12-20 | 2018-06-21 | The Board Of Regents, The University Of Texas System | Cobalt molybdenum disulfide synthesized using alkyl-containing thiomolybdate precursors |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402654A (en) * | 2018-10-30 | 2019-03-01 | 长安大学 | A kind of MoS with substrate protective function2/Ni3Se2Compound Electrocatalytic Activity for Hydrogen Evolution Reaction agent and preparation method thereof |
| CN110813323A (en) * | 2019-11-19 | 2020-02-21 | 中山大学 | High-efficiency and durable hydrogen evolution nickel-based catalyst constructed by atomic layer deposition and preparation method and application thereof |
| CN112058281A (en) * | 2020-05-14 | 2020-12-11 | 哈尔滨理工大学 | Preparation and application of bimetallic sulfide crystal derived from cobalt germanomolybdenum polyacid complex |
| CN112169812A (en) * | 2020-09-22 | 2021-01-05 | 陕西科技大学 | Preparation method of self-supporting core-shell nano electro-catalyst for full electrolysis of water |
| CN112501648A (en) * | 2020-12-01 | 2021-03-16 | 哈尔滨理工大学 | Preparation and application of nickel foam-loaded polyacid-derived manganese molybdenum sulfide |
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