CN109112564A - A kind of carbon load pyrite FeS2Application of the nanoparticle in electrocatalytic decomposition water hydrogen manufacturing - Google Patents
A kind of carbon load pyrite FeS2Application of the nanoparticle in electrocatalytic decomposition water hydrogen manufacturing Download PDFInfo
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- 229910052683 pyrite Inorganic materials 0.000 title claims abstract description 82
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000011028 pyrite Substances 0.000 title claims abstract description 42
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 16
- 239000001257 hydrogen Substances 0.000 title claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 4
- 229910052960 marcasite Inorganic materials 0.000 claims abstract description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- 238000001548 drop coating Methods 0.000 claims abstract description 6
- 238000010408 sweeping Methods 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000557 Nafion® Polymers 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 10
- 238000006555 catalytic reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000013112 stability test Methods 0.000 description 6
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000010411 electrocatalyst Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(IV) oxide Inorganic materials O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000010792 warming 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/12—Sulfides
-
- 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
-
- 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
-
- 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)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The present invention relates to a kind of carbon to load pyrite FeS2Application of the nanoparticle in electrocatalytic decomposition water hydrogen manufacturing specifically loads pyrite FeS by carbon2For nanoparticle homogeneous slurry drop coating in, respectively as anode and cathode, sweeping speed on foam nickel electrode as 5mV/s, electrolyte is 1.0mol/L KOH solution, can efficient electric catalytic water decomposing hydrogen-production under two electrode systems.
Description
Technical field
The present invention relates to carbon to load pyrite FeS2The electro-catalysis application of nanoparticle belongs to novel energy resource material technology and electricity
Catalytic applications.
Background technique
With the development of society, demand of the mankind to the energy increasingly increases.The use of fossil fuel accelerates global warming
And environmental pollution, since its is non-renewable, the development and utilization of clean energy resource, which solve current energy crisis and environmental problem, to be become
The hot spot of people's research.Hydrogen Energy becomes one of energy most with prospects since it is high, environmental-friendly with energy resource density.
Currently, industrially mainly passing through CH4And H2O pyroreaction prepares hydrogen, since chemical process is at high cost, the use of fossil fuel
And pollute being widely used for this method of environmental restrictions.Electrolysis water prepares hydrogen, because its process is simple, mild condition, pollution-free
Main hydrogen production process as scientific research personnel's research.Oxygen evolution reaction (OER) on anode and the evolving hydrogen reaction (HER) on cathode are
Two half-reactions of electrolysis water.Usual electrolysis water is operated in 1.8-2.0V, is higher than theoretical value 1.23V.Ideal difunctional electrolysis
Water catalyst meets high activity and high stability.Currently used OER catalyst is IrO2And RuO2System, HER catalyst are Pt
Matrix system.Since noble metal is expensive, reserves are limited, and demand increases year by year, therefore find difunctional base metal electricity
The catalyst of catalytic decomposition water is the research hotspot of water electrolysis hydrogen production.
People prepare in base metal electro-catalysis water and achieve certain achievement in hydrogen at present.Such as: the report such as Yang
The Ni-P alloy of CuO nano-wire array load needs the applied voltage of 1.71V reachable under 1.0mol/L KOH electrolyte conditions
To 30mA/cm2(Y.Yang,et al.,Chem.Commun.,2018,54,2393-2396).Wu etc. reports graphitic carbon load
Co catalysts are nitrogenized under 1.0mol/L KOH electrolyte conditions, the applied voltage of 1.62V is needed to can reach 10mA/cm2
(R.Wu,et al.,ACS Appl.Mate.Inter.,2018,10,7134-7144).So far, as content in the earth's crust
Most sulfide, pyrite FeS2The research that electrocatalytic oxidation precipitation (OER) and electro-catalysis complete solution water prepare hydrogen yet there are no
Report.About FeS2Half-reaction-evolving hydrogen reaction (HER) of catalysis complete solution water has a small number of reports.Such as: Jin etc. reports FeS2Catalysis
Agent is in 0.5mol/L H2Under SO4 electrolyte conditions, saturated calomel electrode is reference electrode, and Pt line is to need 217mV to electrode
Overpotential current density reach 1mA/cm2(J.Song,et al.,J.Phys.Chem.C,2014,118,21347-
21356).Therefore, regulating catalyst forms, electrocatalytic reaction parameter is investigated under alkaline condition while being catalyzed OER and HER is ten
It is point necessary, and can high activity realization electro-catalysis complete solution water hydrogen production reaction.
In conclusion as the highest metal sulfide of earth's crust content, although can be realized the half-reaction-HER of electrolysis water,
Realize that the half-reaction-OER of electrolysis water and two electrode electro-catalysis complete solution water not yet have been reported that about it.Therefore, pass through novel path
Modulation synthesizes pyrite FeS2Nanoparticle, can high activity catalytic electrolysis water hydrogen manufacturing.
Summary of the invention:
The present invention is intended to provide a kind of carbon of electro-catalysis complete solution water hydrogen manufacturing novel under two electrode systems loads pyrite
FeS2Nano-particle catalyst, anode and cathode load pyrite FeS with carbon2Nanometer particle load is prepared into nickel foam
Working electrode, under 1.0mol/L KOH electrolyte conditions, realizing that the applied voltage of 1.72V can reach current density is 10mA/
cm2。
Based on above-mentioned purpose, technical solution according to the present invention is as follows:
1) pyrite FeS2The preparation of nanoparticle: 0.54g FeCl is added in 250mL beaker3·6H2O, 0.45g copper
Reagent (C5H10NS2Na·3H2O) and gained liquid is transferred to 100mL using polytetrafluoroethylene (PTFE) as liner to dissolving by 60mL water, stirring
Stainless steel cauldron in 240 DEG C of hydro-thermal process 12h, then cooled to room temperature, product is through centrifuge washing, 50 DEG C of vacuum
It is dried to obtain pyrite FeS2Nanoparticle, diameter 50-750nm.
2) carbon loads pyrite FeS2The preparation of nano-particle catalyst: by 4mg pyrite FeS2Nanoparticle and 1mg carbon
Powder is scattered in 400 μ L water/alcohol mixeding liquid (volume ratio 1:3) and 40 μ L Nafion solutions, and ultrasonic disperse is homogenized
Liquid.
3) above-mentioned carbon is loaded into pyrite FeS2Nanoparticle slurry drops are applied to 1 × 1cm2On foam nickel electrode, it is dry after
Its OER, HER and complete solution water power catalytic performance are measured on CHI760E electrochemical workstation.In 1.0mol/L KOH electrolyte conditions
Under, 202mV can get current density 10mA/cm in HER test2And activity is not substantially reduced after 4h stability test；OER is surveyed
1.47V can get current density 10mA/cm in examination2And activity is not substantially reduced after 5h stability test；Two electrode complete solution water
1.72V can get current density 10mA/cm in test2And activity is not substantially reduced after 5h stability test.
The present invention has the advantage that
1) FeCl is utilized3·6H2O is the source Fe, utilizes copper reagent (C5H10NS2Na·3H2It O) is sulphur source, hydrothermal synthesis Huang
Iron ore FeS2Nanoparticle has effectively expanded FeS2Preparation method；
2) building carbon loads pyrite FeS2Nano-particle catalyst effectively realizes OER, HER and complete solution water power catalytic
Energy；
3) range of catalysts for effectively having expanded the OER and electro-catalysis complete solution water, has used carbon to load pyrite for the first time
FeS2Pyrite FeS2/ C is catalyst；
4) the OER activity of bifunctional electrocatalyst of the present invention, is better than commercialization IrO2Catalytic activity；
5) present invention has the characteristics that environmental-friendly, process efficiency is high and its catalytic activity is stable.
Detailed description of the invention:
Fig. 1 is pyrite FeS2The characterization result of nanoparticle, (a) XRD and (b-d) electron microscopic picture.
Fig. 2 is carbon load pyrite FeS2Nanoparticle and IrO2OER polarization curve (a) and carbon load pyrite FeS2
Nanoparticle OER stability curve (b) at 1.5V.
Fig. 3 is carbon load pyrite FeS2The HER polarization curve (a) and carbon of nanoparticle load pyrite FeS2Nanoparticle
Son HER stability curve (b) at 330mV.
Fig. 4 is carbon load pyrite FeS2The complete solution water polarization curve (a) and carbon of nanoparticle load pyrite FeS2Nanometer
Particle complete solution water stability curve (b) at 1.72V.
Specific embodiment
The following example is used to further illustrate the present invention, but does not thereby limit the invention.
Embodiment 1
Pyrite FeS2The specific preparation process of nanoparticle is as follows: 0.54g FeCl being added in 250mL beaker3·6H2O、
0.45g copper reagent (C5H10NS2Na·3H2O) and gained liquid is transferred to 100mL to dissolving with polytetrafluoroethyl-ne by 60mL water, stirring
Alkene is in the stainless steel cauldron of liner in 240 DEG C of hydro-thermal process 12h, then cooled to room temperature, product through centrifuge washing,
50 DEG C of vacuum drying obtain pyrite FeS2Nanoparticle, diameter are 50-750nm (as shown in Figure 1).
Embodiment 2
Carbon loads pyrite FeS2The preparation of nano-particle catalyst: by 4mg pyrite FeS2Nanoparticle and 1mg carbon dust
It is scattered in 400 μ L water/alcohol mixeding liquid (volume ratio 1:3) and 40 μ L Nafion solutions, ultrasonic disperse is homogenized
Liquid.
Embodiment 3
By the IrO of 4mg business2It is scattered in 400 μ L water/alcohol mixeding liquid (volume ratio 1:3) and 40 μ L Nafion solutions
In, ultrasonic disperse obtains homogeneous slurry.
Embodiment 4
Take 80 μ L embodiment, 2 homogeneous slurry drop coating in 1 × 1cm2On nickel foam (NF) electrode, 80 μ L embodiments 3 are taken uniformly
Slurry drops are applied to 1 × 1cm2On nickel foam (NF) electrode, its OER is measured on CHI760E electrochemical workstation respectively after dry
Performance.Using Hg/HgO as reference electrode, graphite rod is to electrode, and sweeping speed is 5mV/s, and electrolyte is 1.0mol/L KOH solution,
1.0mol/L KOH electrolyte needs O before OER performance test2Saturated process.Carbon loads pyrite in the test of OER shown in Fig. 2 (a)
FeS2Nanoparticle can get current density 10mA/cm in 1.47V2, and commercial IrO2It can get current density in 1.52V
10mA/cm2, show that carbon loads pyrite FeS2The OER activity of nanoparticle is better than commercial IrO2；In addition Fig. 2 (b) shows carbon
Load pyrite FeS2Activity does not reduce nanoparticle after 5h stability test under 1.5V voltage.
Embodiment 5
Take 80 μ L embodiment, 2 homogeneous slurry drop coating in 1 × 1cm2It is electric in CHI760E after dry on nickel foam (NF) electrode
Its HER performance is measured on chem workstation.Using Hg/HgO as reference electrode, graphite rod is to electrode, and sweeping speed is 5mV/s, electrolysis
Liquid is 1.0mol/L KOH solution, and 1.0mol/L KOH electrolyte needs N before HER performance test2Saturated process.Shown in Fig. 3 (a)
Carbon loads pyrite FeS in HER test2Nanoparticle can get current density 10mA/cm in 202mV2, in addition Fig. 3 (b) shows
Carbon loads pyrite FeS2Activity keeps stablizing nanoparticle in 4h stability test under 330mV voltage.
Embodiment 6
Take 80 μ L embodiment, 2 homogeneous slurry drop coating in 1 × 1cm2On nickel foam (NF) electrode, it is used as anode after dry, is taken
80 μ L embodiment, 2 homogeneous slurry drop coating is in 1 × 1cm2On nickel foam (NF) electrode, it is used as cathode after dry, two electrode systems exist
The aqueous energy of its complete solution is measured on CHI760E electrochemical workstation, sweeping speed is 5mV/s, and electrolyte is 1.0mol/L KOH solution.Institute
Carbon loads pyrite FeS in the test of diagram 4 (a) complete solution water2Nanoparticle can get current density 10mA/cm in 1.72V2, in addition
Fig. 4 (b) shows that carbon loads pyrite FeS2Activity keeps stablizing nanoparticle in 5h stability test under 1.72V voltage.
Claims (2)
1. a kind of carbon loads pyrite FeS2Application of the nanoparticle in electrocatalytic decomposition water hydrogen manufacturing, specifically carbon load
Pyrite FeS2Nanoparticle homogeneous slurry drop coating is in, respectively as anode and cathode, sweeping speed is 5mV/s, electricity on foam nickel electrode
Solution liquid is 1.0mol/L KOH solution, can efficient electric catalytic water decomposing hydrogen-production under two electrode systems.
2. application described in accordance with the claim 1, it is characterised in that:
Carbon loads pyrite FeS2Nano-particle catalyst is made by following steps:
1) pyrite FeS2The preparation of nanoparticle: 0.54g FeCl is added in beaker3·6H2O, 0.45g copper reagent
(C5H10NS2Na·3H2O) with 60mL water, stirring to dissolve, by gained liquid be transferred to 100mL using polytetrafluoroethylene (PTFE) as liner not
In 240 DEG C of hydro-thermal process 12h in rust steel reaction kettle, then cooled to room temperature, product are dried in vacuo through centrifuge washing, 50 DEG C
Obtain pyrite FeS2Nanoparticle, diameter 50-750nm；
2) carbon loads pyrite FeS2The preparation of nano-particle catalyst: by 4mg pyrite FeS2Nanoparticle and 1mg carbon dust point
It dissipates in 400 μ L water/alcohol mixeding liquid (volume ratio 1:3) and 40 μ L Nafion solutions, ultrasonic disperse obtains homogeneous slurry.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533223A (en) * | 2020-05-12 | 2020-08-14 | 北京林业大学 | FeS2Cathode heterogeneous electro-Fenton water treatment method |
| CN112479274A (en) * | 2020-08-26 | 2021-03-12 | 青岛科技大学 | Ni3S4-NiS2-FeS2Preparation method of nanosheet |
| CN112481633A (en) * | 2020-08-26 | 2021-03-12 | 青岛科技大学 | Carbon-coated CoS2-FeS2Preparation method of heterojunction nanosheet |
| CN113832493A (en) * | 2021-09-26 | 2021-12-24 | 青岛科技大学 | Fe with defect sites7S8/FeS2Preparation method of heterojunction nanosheet |
| CN113830837A (en) * | 2021-09-26 | 2021-12-24 | 青岛科技大学 | FeS with defect sites on surface2/Fe7S8Method for preparing heterojunction |
| CN113912132A (en) * | 2021-09-26 | 2022-01-11 | 青岛科技大学 | Defect heterojunction FeS2-Fe7S8Preparation method of (1) |
| CN114752960A (en) * | 2022-05-06 | 2022-07-15 | 青岛科技大学 | Preparation method of defect CoS-Co3S4 heterojunction micron sheet |
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| CN111533223A (en) * | 2020-05-12 | 2020-08-14 | 北京林业大学 | FeS2Cathode heterogeneous electro-Fenton water treatment method |
| CN112479274A (en) * | 2020-08-26 | 2021-03-12 | 青岛科技大学 | Ni3S4-NiS2-FeS2Preparation method of nanosheet |
| CN112481633A (en) * | 2020-08-26 | 2021-03-12 | 青岛科技大学 | Carbon-coated CoS2-FeS2Preparation method of heterojunction nanosheet |
| CN112479274B (en) * | 2020-08-26 | 2022-05-17 | 青岛科技大学 | Ni3S4-NiS2-FeS2Preparation method of nanosheet |
| CN113832493A (en) * | 2021-09-26 | 2021-12-24 | 青岛科技大学 | Fe with defect sites7S8/FeS2Preparation method of heterojunction nanosheet |
| CN113830837A (en) * | 2021-09-26 | 2021-12-24 | 青岛科技大学 | FeS with defect sites on surface2/Fe7S8Method for preparing heterojunction |
| CN113912132A (en) * | 2021-09-26 | 2022-01-11 | 青岛科技大学 | Defect heterojunction FeS2-Fe7S8Preparation method of (1) |
| CN113832493B (en) * | 2021-09-26 | 2023-01-06 | 青岛科技大学 | Fe with defect sites 7 S 8 /FeS 2 Preparation method of heterojunction nanosheet |
| CN114752960A (en) * | 2022-05-06 | 2022-07-15 | 青岛科技大学 | Preparation method of defect CoS-Co3S4 heterojunction micron sheet |
| CN114752960B (en) * | 2022-05-06 | 2023-10-24 | 青岛科技大学 | Defective CoS-Co 3 S 4 Preparation method of heterojunction micron sheet |
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