CN105970265A - Preparation method of sulfur doped Ni-Fe hydroxide nano-film catalyst for decomposing water to produce oxygen - Google Patents
Preparation method of sulfur doped Ni-Fe hydroxide nano-film catalyst for decomposing water to produce oxygen Download PDFInfo
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- CN105970265A CN105970265A CN201610333978.9A CN201610333978A CN105970265A CN 105970265 A CN105970265 A CN 105970265A CN 201610333978 A CN201610333978 A CN 201610333978A CN 105970265 A CN105970265 A CN 105970265A
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- oxygen
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- 239000003054 catalyst Substances 0.000 title claims abstract description 44
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 38
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000011593 sulfur Substances 0.000 title claims abstract description 37
- 229910003271 Ni-Fe Inorganic materials 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 27
- 239000001301 oxygen Substances 0.000 title claims abstract description 26
- 239000002120 nanofilm Substances 0.000 title claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000006260 foam Substances 0.000 claims abstract description 14
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004070 electrodeposition Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 41
- 229910052759 nickel Inorganic materials 0.000 claims description 22
- 239000002659 electrodeposit Substances 0.000 claims description 17
- 238000000151 deposition Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 230000008021 deposition Effects 0.000 claims description 10
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 9
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 9
- 238000002484 cyclic voltammetry Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 13
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 229910021577 Iron(II) chloride Inorganic materials 0.000 abstract description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 abstract description 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 abstract description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 abstract description 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 229910000863 Ferronickel Inorganic materials 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002135 nanosheet Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 238000004502 linear sweep voltammetry Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/043—Sulfides with iron group metals or platinum group metals
-
- B01J35/59—
-
- 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
- C25B11/04—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
- C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
-
- 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
Abstract
The invention discloses a preparation method of a sulfur doped Ni-Fe hydroxide nano-film catalyst for decomposing water to produce oxygen. According to the method, an aqueous solution which contains NiCl2, FeCl2, thiocarbamide and polyethylene glycol 1,000 is used as electrodeposition liquid, and a sulfur doped Ni-Fe hydroxide nano-film catalyst is directly electro-deposited on the surface of a metal strip or a foam metal substrate by an electrodeposition method. The preparation method is simple, the cost is low, the obtained catalyst is used for catalyzing decomposition of water to produce oxygen, a function of reducing overpotential of oxygen evolution of electrolysed water is good under larger current density, the catalytic activity is high, and the catalyst cannot drop from the surface of the substrate easily.
Description
Technical field
The invention belongs to be electrolysed water and prepare oxygen catalytic electrode material technical field, be specifically related to a kind of for decomposition water
The preparation method of the Ni-Fe hydroxide nano film catalyst of the doping sulfur of oxygen processed.
Background technology
At present, low cost, high-purity are prepared oxygen most efficient method and are through electro-catalysis or photocatalysis moisture
Solve.Water oxidation reaction is that catalytic water decomposes important reaction, and this single step reaction relates to four electronic transfer process,
Become o-o bond throughout one's life.But, in this course of reaction, reaction rate is slowly, needs to use catalyst degradation
Activation energy, accelerates reaction rate.Industrial electro-catalysis water decomposition electrode uses ruthenium-oxide or yttrium oxide to be anode, but
It is that noble metal reserves are little and cost height limits its scale in electrolysis water and wastewater industry and uses.The most a large amount of for this
Scientific research personnel concentrate research the cheap and base metal of rich reserves, such as Fe, Co, Ni, Mn, Mo
Deng alloy and the compound thereof of element, mainly by the oxides such as Ni, Fe, Co, phosphide, sulfide, hydrogen-oxygen
Compound, carbide etc., and complex hydroxide, stratiform (LDH) oxide etc. has ratio to catalysis oxygen evolution reaction
Higher catalysis activity.Wherein, nickel-base catalyst is primarily used for catalytic water oxidation in alkaline solution, respond well,
Scientific research personnel finds can substantially reduce analysis oxygen overpotential in the nickel-base catalyst that ferrum element is added.This discovery is drawn
Play people to ferronickel compounding ingredients catalyst numerous studies.The preparation method of existing ferronickel compounding ingredients catalyst is main
Have hydro-thermal method and a sol-gal process, and about electrochemically prepare the Ni-Fe hydroxide materials of doping sulfur with
And have no report for being electrolysed the research of water catalytic electrode material.
Summary of the invention
The technical problem to be solved is to provide one to have good by the preparation of cyclic voltammetric electrodeposition process
The side of the Ni-Fe hydroxide nano film catalyst of the good doping sulfur reducing electrolysis water oxygen evolution reaction overpotential
Method.
Solve the technical scheme that above-mentioned technical problem used to be made up of following step:
1, by the raw material mix homogeneously of following percent mass proportioning, it is prepared as electrodeposit liquid:
2, using bonding jumper or foam metal substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode as
Reference electrode, put into step 1 preparation electrodeposit liquid in, by cyclic voltammetry electro-deposition, sweep limits be-1.4～
0.3V, sweep speed is 2～15mV/s, and cycle-index is 5～50 times, on bonding jumper or foam metal substrate
The Ni-Fe hydroxide nano film catalyst of deposition doping sulfur.
The present invention, preferably by the raw material mix homogeneously of following percent mass proportioning, is prepared as electrodeposit liquid:
The present invention, further preferably by the raw material mix homogeneously of following percent mass proportioning, is prepared as electrodeposit liquid:
Above-mentioned bonding jumper is copper bar or nickel bar, and foam metal is foam copper or nickel foam.
In above-mentioned steps 2, preferably sweep limits is-1.2～0.2V, and sweep speed is 5mV/s, and cycle-index is
25 times.
The present invention is with containing NiCl2、FeCl2, the aqueous solution of thiourea and Polyethylene Glycol be electrodeposit liquid, by circulation
Volt-ampere electrodeposition process, obtains the Ni-Fe hydrogen-oxygen with the doping sulfur of flaky nanometer structure under certain sedimentary condition
Compound nano thin-film catalyst.Catalyst prepared by the present invention adheres to substrate surface without cross-linking agent, but uses
The various components that the method for electro-deposition is deposited directly in substrate surface, and catalyst and the thickness depositing thin film can
With regulation, catalyst active component is grown in substrate surface equably, and the catalyst prepared maintains Metal Substrate
The original pliability of plate, during electricity decomposition water oxygen evolution reaction, required the most electric under larger current density
Gesture is relatively low, and in the KOH solution of high concentration, through the long-time decomposition water of high current density, catalytic effect is good,
And catalytic component is difficult to come off from substrate surface.The inventive method is used to prepare the operation equipment of catalyst, method
Simply, with low cost, intend replacing current expensive IrO2、RuO2Deng noble metal catalyst, it is expected to scale
Application.
Accompanying drawing explanation
Fig. 1 be the doping sulfur of embodiment 1 preparation Ni-Fe hydroxide nano film catalyst in the XPS of Ni
Figure.
Fig. 2 be the doping sulfur of embodiment 1 preparation Ni-Fe hydroxide nano film catalyst in the XPS of Fe
Figure.
Fig. 3 be embodiment 1 preparation doping sulfur Ni-Fe hydroxide nano film catalyst in S XPS figure.
Fig. 4 be the doping sulfur of embodiment 1 preparation Ni-Fe hydroxide nano film catalyst in the XPS of O
Figure.
Fig. 5 is the scanning electron microscope (SEM) photograph of the Ni-Fe hydroxide nano film catalyst of the doping sulfur of embodiment 1 preparation.
Fig. 6 is the transmission electron microscope picture of the Ni-Fe hydroxide nano film catalyst of the doping sulfur of embodiment 1 preparation.
Fig. 7 is that the Ni-Fe hydroxide nano film catalyst catalytic water of the doping sulfur of embodiment 1 preparation decomposes system
The design sketch of oxygen.
Fig. 8 is that the Ni-Fe hydroxide nano film catalyst catalytic water of the doping sulfur of embodiment 2 preparation decomposes system
The design sketch of oxygen.
Fig. 9 is that the Ni-Fe hydroxide nano film catalyst catalytic water of the doping sulfur of embodiment 3 preparation decomposes system
The design sketch of oxygen.
Figure 10 is that the Ni-Fe hydroxide nano film catalyst catalytic water of the doping sulfur of embodiment 4 preparation decomposes system
The design sketch of oxygen.
Figure 11 is that the Ni-Fe hydroxide nano film catalyst catalytic water of the doping sulfur of embodiment 5 preparation decomposes system
The design sketch of oxygen.
Detailed description of the invention
The present invention is described in more detail with embodiment below in conjunction with the accompanying drawings, but protection scope of the present invention not only limits
In these embodiments.
Embodiment 1
1, by following raw material mix homogeneously, it is prepared as electrodeposit liquid:
2, with foamed nickel substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode (3mol/L KCl)
As reference electrode, put in the electrodeposit liquid of step 1 preparation, by cyclic voltammetry electro-deposition, sweep limits
For-1.2～0.2V, sweep speed is 5mV/s, circulates 25 times, directly in the deposition doping of foamed nickel substrate surface
The Ni-Fe hydroxide nano film catalyst of sulfur.From Fig. 1～4, it is deposited on the nanometer thin on nickel foam surface
Containing Ni, Fe, S and O element in film, XPS collection of illustrative plates passes through C 1s (284.8eV) standard calibration, wherein
Ni and Fe mainly exists with bivalent form, and S mainly thiourea is decomposed to form sulfate radical and sulfur, it was demonstrated that preparation
Nano thin-film be doping sulfur Ni-Fe hydroxide.It can be seen that be deposited on nickel foam surface from Fig. 5～6
The Ni-Fe hydroxide of doping sulfur be made up of the nano-sheet with fold, the doping sulfur of nano-sheet
Ni-Fe hydroxide becomes three-D nano-porous structure at nickel foam surface sediment.
Embodiment 2
1, by following raw material mix homogeneously, it is prepared as electrodeposit liquid:
2, with foamed nickel substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode (3mol/L KCl)
As reference electrode, put in the electrodeposit liquid of step 1 preparation, by cyclic voltammetry electro-deposition, sweep limits
For-1.4～0V, sweep speed is 10mV/s, circulates 40 times, directly at foamed nickel substrate surface deposition doping sulfur
Ni-Fe hydroxide nano film catalyst.
Embodiment 3
1, by following raw material mix homogeneously, it is prepared as electrodeposit liquid:
2, with foamed nickel substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode (3mol/L KCl)
As reference electrode, put in the electrodeposit liquid of step 1 preparation, by cyclic voltammetry electro-deposition, sweep limits
For-1～0.3V, sweep speed is 15mV/s, circulates 50 times, directly at foamed nickel substrate surface deposition doping sulfur
Ni-Fe hydroxide nano film catalyst.
Embodiment 4
1, by following raw material mix homogeneously, it is prepared as electrodeposit liquid:
2, with foamed nickel substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode (3mol/L KCl)
As reference electrode, put in the electrodeposit liquid of step 1 preparation, by cyclic voltammetry electro-deposition, sweep limits
For-1.3～0V, sweep speed is 3mV/s, circulates 10 times, directly at foamed nickel substrate surface deposition doping sulfur
Ni-Fe hydroxide nano film catalyst.
Embodiment 5
1, by following raw material mix homogeneously, it is prepared as electrodeposit liquid:
2, with foamed nickel substrate as working electrode, carbon-point be to electrode, Ag/AgCl electrode (3mol/L KCl)
As reference electrode, put in the electrodeposit liquid of step 1 preparation, by cyclic voltammetry electro-deposition, sweep limits
For-1～0.2V, sweep speed is 15mV/s, circulates 20 times, directly at foamed nickel substrate surface deposition doping sulfur
Ni-Fe hydroxide nano film catalyst.
In order to prove beneficial effects of the present invention, inventor uses the Ni-Fe of deposition doping sulfur in embodiment 1～5
The foamed nickel substrate of hydroxide nano thin film is to electrode, Ag/AgCl electrode as working electrode, carbon-point
(3mol/L KCl) as reference electrode, by using linear sweep voltammetry with 5mV s-1Scanning speed exist
Detecting its analysis oxygen catalytic performance to water decomposition in the KOH aqueous solution of 1mol/L, all of detection is tested all in room
Carrying out under temperature, the electromotive force recorded is according to ERHE=EAg/AgCl+ 0.197V+0.059pH is corrected, and finally records knot
Fruit is relative to standard hydrogen electrode electromotive force.Test result is shown in Fig. 7～11 and table 1.
Table 1
From Fig. 7～11 and table 1, the Ni-Fe hydroxide nano of doping sulfur prepared by employing the inventive method
Thin film is as decomposition water oxygen-separating catalyst, and its catalysis overpotential is the least, and electric current density is big.
Claims (5)
1. the preparation side for the Ni-Fe hydroxide nano film catalyst of the doping sulfur of decomposition water oxygen
Method, it is characterised in that it is made up of following step:
(1) by the raw material mix homogeneously of following percent mass proportioning, it is prepared as electrodeposit liquid；
(2) with bonding jumper or foam metal substrate as working electrode, carbon-point be that electrode, Ag/AgCl electrode are made
For reference electrode, put in electrodeposit liquid prepared by step (1), by cyclic voltammetry electro-deposition, scan model
Enclosing for-1.4～0.3V, sweep speed is 2～15mV/s, and cycle-index is 5～50 times, at bonding jumper or foam
The Ni-Fe hydroxide nano film catalyst of deposition doping sulfur on metal basal board.
The Ni-Fe hydroxide nano thin film of the doping sulfur for decomposition water oxygen the most according to claim 1
The preparation method of catalyst, it is characterised in that: by the raw material mix homogeneously of following percent mass proportioning, it is prepared as electricity
Deposition liquid；
The Ni-Fe hydroxide nano thin film of the doping sulfur for decomposition water oxygen the most according to claim 1
The preparation method of catalyst, it is characterised in that: by the raw material mix homogeneously of following percent mass proportioning, it is prepared as electricity
Deposition liquid；
4. according to the Ni-Fe hydrogen-oxygen of the doping sulfur for decomposition water oxygen described in claims 1 to 3 any one
The preparation method of compound nano thin-film catalyst, it is characterised in that: described bonding jumper is copper bar or nickel bar, foam
Metal is foam copper or nickel foam.
5. according to the Ni-Fe hydrogen-oxygen of the doping sulfur for decomposition water oxygen described in claims 1 to 3 any one
The preparation method of compound nano thin-film catalyst, it is characterised in that: described sweep limits is-1.2～0.2V, sweeps
Retouching speed is 5mV/s, and cycle-index is 25 times.
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|---|---|---|---|
| CN201610333978.9A CN105970265B (en) | 2016-05-19 | 2016-05-19 | A kind of preparation method for decomposing the Ni-Fe hydroxide nano film catalysts of the doping sulphur of water oxygen |
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| CN201610333978.9A CN105970265B (en) | 2016-05-19 | 2016-05-19 | A kind of preparation method for decomposing the Ni-Fe hydroxide nano film catalysts of the doping sulphur of water oxygen |
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Cited By (14)
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|---|---|---|---|---|
| CN106521598A (en) * | 2016-10-28 | 2017-03-22 | 南京工程学院 | Nanosheet self-assembly ferrocobalt hydroxide and preparation method thereof |
| CN106894045A (en) * | 2017-01-06 | 2017-06-27 | 燕山大学 | A kind of preparation method of the Fe2O3 doping nickel-base composite material for Electrochemical oxygen evolution |
| CN107335450A (en) * | 2017-05-26 | 2017-11-10 | 昆明理工大学 | A kind of method that electro-deposition prepares high catalysis analysis oxygen performance nanoporous ferronickel sulphur alloy in eutectic type ionic liquid |
| CN107460496A (en) * | 2017-07-26 | 2017-12-12 | 江苏大学 | The preparation method of coated type nickel doping iron sulfide/C-C composite electrode |
| CN107557805A (en) * | 2017-09-04 | 2018-01-09 | 南京工业大学 | A kind of method that multi-morphology nano iron/cobalt/cobalt oxide is prepared using cyclic voltammetry |
| CN108193227A (en) * | 2016-12-08 | 2018-06-22 | 中国科学院大连化学物理研究所 | Oxygen electrode and its preparation and application are analysed in the electro-catalysis of nickel-ferric spinel base |
| CN109112566A (en) * | 2018-09-25 | 2019-01-01 | 陕西师范大学 | Three Raney nickel of curing of trace iron (III) ion doping for electrolysis water oxygen evolution reaction |
| CN109423660A (en) * | 2017-09-01 | 2019-03-05 | 中国科学院大连化学物理研究所 | A kind of water oxygen elctro-catalyst and preparation method thereof for electrocatalytic decomposition water |
| CN110624568A (en) * | 2019-10-14 | 2019-12-31 | 青岛科技大学 | Preparation method of sulfur-doped nickel, iron and cobalt ternary hydroxide high-performance oxygen evolution catalyst with stepped three-dimensional structure |
| CN111437838A (en) * | 2020-05-11 | 2020-07-24 | 苏州大学 | Biomass carbon oxygen evolution electrocatalyst and preparation method thereof |
| CN112237927A (en) * | 2020-09-27 | 2021-01-19 | 东莞理工学院 | Catalyst for electrocatalytic reduction of nitrate and preparation method and application thereof |
| CN112695340A (en) * | 2021-01-03 | 2021-04-23 | 杜先明 | Preparation method of cathode for alkalescent beautifying water |
| WO2021222077A1 (en) * | 2020-04-28 | 2021-11-04 | University Of Houston System | Fast ambient-temperature synthesis of oer catalysts for water electrolysis |
| CN116282230A (en) * | 2023-03-27 | 2023-06-23 | 昆明理工大学 | Preparation method of sulfur-doped nickel-iron hydroxide ultrathin nanosheets |
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| CN104659357A (en) * | 2014-11-19 | 2015-05-27 | 北京化工大学 | Supported nickel-iron composite hydroxide oxygen evolution electrode for alkaline water electrolysis and preparation method for supported nickel-iron composite hydroxide oxygen evolution electrode |
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