CN108179434A - A kind of preparation method and application of NiO/NiS/CN nano-hybrid materials - Google Patents
A kind of preparation method and application of NiO/NiS/CN nano-hybrid materials Download PDFInfo
- Publication number
- CN108179434A CN108179434A CN201711475647.XA CN201711475647A CN108179434A CN 108179434 A CN108179434 A CN 108179434A CN 201711475647 A CN201711475647 A CN 201711475647A CN 108179434 A CN108179434 A CN 108179434A
- Authority
- CN
- China
- Prior art keywords
- nickel
- nano
- preparation
- nis
- nio
- 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
Classifications
-
- 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
-
- 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
Landscapes
- 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)
Abstract
The invention discloses a kind of preparation method and application of NiO/NiS/CN nano-hybrid materials, belong to the technical fields such as nano material, metal organic complex nano material and catalysis.Preparation method is that sulfur-bearing and nitrogen imidazoles ylidene ligands is made using 4 formaldehyde of imidazoles and L methionine, itself and nickel foam redox self assembly are prepared into foamed nickel supported metal organic coordination polymer composite material, the composite material in air atmosphere is calcined, nickel oxide and the aza material of nickel sulfide nano particle doped carbon is made.The preparation method, raw materials used at low cost, preparation process is simple, and energy consumption of reaction is low, has prospects for commercial application.By the hybrid material for catalytic electrolysis elutriation oxygen, there is good analysis oxygen electro catalytic activity and electrochemical stability.
Description
Technical field
The present invention relates to a kind of preparation method and application of NiO/NiS/CN nano-hybrid materials, belong to nano material, gold
Belong to the technical fields such as organic cooperation polymer and catalysis.
Background technology
In the energy rare 21 century, it is most promising new to be considered substitute fossil fuels for the hydrogen of non-polluting renewable
One of energy.However, electro-catalysis overpotential for oxygen evolution excessively high in electrolysis water reaction process, seriously reduces its utilization rate of electrical,
Limit water electrolysis hydrogen production industrial expansion.Therefore, stablize the research and development with efficient electro-catalysis oxygen-separating catalyst, for carrying
The utilization rate of electrical of height electrolysis water and wastewater industry has very important significance.
In the system much explored, iridium dioxide (IrO2) and ruthenic oxide (RuO2) it is considered most effective.However,
Their rare and expensive prices limit its practical application extensively, for this purpose, developing efficient, inexpensive and earth rich content
Base metal oxygen-separating catalyst, reducing analysis oxygen electric consumption becomes an opportunities and challenges.
Inexpensive, high activity transition elements oxide of mutually catalyst has prospects for commercial application；It is carbon-based or Heteroatom doping
Transition elements oxide of mutually composite catalyst is also the innovative selection of oxygen-separating catalyst.
In recent years, metal organic coordination polymer obtains in fields such as gas storage, separation, catalysis, identification and drug deliveries
Obtained and be widely applied, the diversity of periodic structure and structure, provide using its as precursor build carbon or (and) gold
Belong to the unique advantage of based nano-material.At present, derived from the research day of metal organic coordination polymer precursor or template function material
Benefit increases, for example, porous carbon, metal oxide, metal/carbon and metal oxide/carbon nanomaterial have been reported, it is constructed
Metal oxide for efficient ultracapacitor, lithium ion battery and hydrogen reduction etc., has shown excellent property, but often adopt
Strategy is 600-800 DEG C of high temperature pyrolysis, the pyroprocess, and usually frame collapses and leads metal organic coordination polymer precursor
The nano-oxide of generation is caused to reunite.
Invention content
One of technical assignment of the present invention is in order to make up for the deficiencies of the prior art, to provide a kind of nickel oxide and nickel sulfide is received
The preparation method of the preparation method of the aza material of rice corpuscles doped carbon, this method is raw materials used at low cost, and preparation process is simple,
Energy consumption of reaction is low, has prospects for commercial application.
The technical assignment of the present invention two is to provide a kind of purposes of NiO/NiS/CN nano-hybrid materials, will this is miscellaneous
Change material and be electrolysed elutriation oxygen for efficient catalytic, which has good analysis oxygen electro catalytic activity and electrochemical stability.
Technical scheme is as follows：
1. a kind of preparation method of NiO/NiS/CN nano-hybrid materials, preparation process are as follows：
（1）Using imidazoles ylidene ligands HL and nickel foam Ni, it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials；
The imidazoles ylidene ligands HL, structural formula are as follows：
Imidazoles ylidene ligands HL preparation methods are as follows：
10 mmol imidazoles -4- formaldehyde are dissolved in 20-30 mL methanol；The L-Methionine of 10 mmol and 5 mmol sodium carbonate are dissolved in 20-
In 30 mL water；Two solution blendings, are heated to reflux 1h；Mixed liquor is rotated, 60 DEG C of dryings, imidazoles ylidene ligands HL, yield is made
92-95%；
（2）Ni@NiL composite materials in air atmosphere are calcined, foamed nickel supported nickel oxide and nanometer nickel sulfide is made
The aza material of particle doped carbon, i.e. NiO/NiS/CN nano-hybrid materials.
The step（1）It is middle to use imidazoles ylidene ligands HL and nickel foam Ni redox self assembly prepares foam for raw material
Nickel load metal organic coordination polymer Ni@NiL composite materials, step are as follows：
1.0-1.5g imidazoles ylidene ligands HL is dissolved in 15-18 mL water, imidazoles ylidene ligands HL aqueous solutions are made；
1.5-2.0 g potassium peroxydisulfates are dissolved in 15-20 mL water, persulfate aqueous solution is made；
After imidazoles ylidene ligands HL aqueous solutions and persulfate aqueous solution blending, by the cm of 1.0 cm × 1.0 activation nickel foam dippings
In mixed liquor, ambient temperature overnight after foam nickel composite material is taken out, washs 3 times, dry, obtained bubble with water and ethyl alcohol respectively
Foam nickel load metal-organic coordination polymer Ni@NiL composite materials；
The activation nickel foam, be by nickel foam be immersed in 10-15 mL, mass fraction be 10% dilute hydrochloric acid in 10 min, use
Distilled water flushing 3 times, it is dry to be made.
The step（2）It is middle to calcine Ni@NiL composite materials in air atmosphere, it is that Ni@NiL composite materials are placed in tubular type
In stove, 250-300 DEG C is heated in air atmosphere, heating rate is 5 DEG C/min, and 250-300 DEG C of heat preservation 2h cools to room
NiO/NiS/CN nano-hybrid materials are made in temperature.
2. the application of NiO/NiS/CN nano-hybrid materials prepared by preparation method as described above as elctro-catalyst
Using three-electrode electro Chemical work station, the cmNiO/NiS/CN nano-hybrid materials of 1.0 cm × 1.0 as working electrode,
Pt pieces (mm of 5 mm × 5 × 0.1 mm) are to electrode, and Hg/HgO electrodes are reference electrode, using polarization curve method of testing,
Electrolyte is that the aqueous energy of electrocatalytic decomposition is tested in 0.5 M KOH aqueous solutions.
The NiO/NiS/CN nano-hybrid materials electrocatalytic decomposition water, as the mA/cm of current density, J=152When, current potential is
1.32 V（vs RHE）；Tafel slope is 65 mV dec-1, illustrate that the material efficiently analyses oxygen catalytic activity；Use 30 h
Front and rear, such material polarization curve does not find apparent variation, shows that catalyst is with good stability.
The beneficial technique effect of the present invention：
1. the hybrid material that the present invention obtains, it is imidazoles ylidene ligands and nickel foam prepared by nickel foam redox self assembly is born
Metal-organic coordination polymer composite material is carried, i.e., Ni@NiL composite materials, the preparation are to delay based on potassium peroxydisulfate with nickel foam
Slow redox generation Ni（II）Ion, ligand HL is in foam nickel surface and Ni（II）Ion self assembly generates NiL coordination polymerizations
Object, i.e., foamed nickel supported metal-organic coordination polymer composite material Ni@NiL composite materials；The composite material is in air atmosphere
250-300 DEG C of heating pyrolysis, Ni（II）Ion in-situ oxidation generates nickel oxide and nickel sulfide nano particle, ligand pyrolysis generation carbon
With nitrogen base material；Preparation process is simple for process, simple and easy to control, and product preparation efficiency is high, is easy to industrialize.
2. hybrid material of the present invention is that grain size exists for the nickel oxide and nickel sulfide nano particle uniform load of 40-50 nm
On porous carbon, nitrogen base material, specific surface area is high, nickel oxide and nickel sulfide nano particle, porous carbon, nitrogen composition base
Material exposes more and different active sites, has played the collaboration of nickel oxide and nickel sulfide nano particle and porous substrate
Effect so that the catalysis analysis oxygen based on the composite material, high catalytic efficiency and stability is good.
Specific embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not only limited to implement
Example, the change that professionals in the field makees technical solution of the present invention are within the scope of protection of the invention interior.
Embodiment 1
1. a kind of preparation method of NiO/NiS/CN nano-hybrid materials
（1）Prepare imidazoles ylidene ligands HL
10 mmol imidazoles -4- formaldehyde are dissolved in 20 mL methanol；The L-Methionine of 10 mmol and 5 mmol sodium carbonate are dissolved in 20 mL
In water；Two solution blendings, are heated to reflux 1h；Mixed liquor is rotated, 60 DEG C of dryings, imidazoles ylidene ligands HL, yield 92% is made；
The imidazoles ylidene ligands HL, structural formula are as follows：
（2）Using imidazoles ylidene ligands HL and nickel foam Ni, it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials
1.0g imidazoles ylidene ligands HL is dissolved in 15 mL water, imidazoles ylidene ligands HL aqueous solutions are made；1.5 g potassium peroxydisulfates are dissolved in
Persulfate aqueous solution is made in 15 mL water；Nickel foam is immersed in 10 mL, mass fraction is in 10% dilute hydrochloric acid 10
Min is dry that activation nickel foam is made with distilled water flushing 3 times；Imidazoles ylidene ligands HL aqueous solutions and persulfate aqueous solution are total to
After mixed, the cm activation nickel foam of 1.0 cm × 1.0 is immersed in mixed liquor, ambient temperature overnight takes out foam nickel composite material
Afterwards, 3 times, dry, obtained foamed nickel supported metal-organic coordination polymer Ni@NiL composite woods are washed with water and ethyl alcohol respectively
Material；
（3）Ni@NiL composite materials are placed in tube furnace, are heated to 250 DEG C in air atmosphere, heating rate for 5 DEG C/
Min, 250 DEG C of heat preservation 2h, cools to room temperature, and foamed nickel supported nickel oxide is made and nickel sulfide nano particle doped carbon is aza
Material, i.e. NiO/NiS/CN nano-hybrid materials.
Embodiment 2
1. a kind of preparation method of NiO/NiS/CN nano-hybrid materials
（1）Prepare imidazoles ylidene ligands HL
10 mmol imidazoles -4- formaldehyde are dissolved in 30 mL methanol；The L-Methionine of 10 mmol and 5 mmol sodium carbonate are dissolved in 30 mL
In water；Two solution blendings, are heated to reflux 1h；Mixed liquor is rotated, 60 DEG C of dryings, imidazoles ylidene ligands HL, yield 95% is made；
The imidazoles ylidene ligands HL, structural formula is the same as embodiment 1；
（2）Using imidazoles ylidene ligands HL and nickel foam Ni, it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials
1.5g imidazoles ylidene ligands HL is dissolved in 18 mL water, imidazoles ylidene ligands HL aqueous solutions are made；2.0 g potassium peroxydisulfates are dissolved in
Persulfate aqueous solution is made in 20 mL water；Nickel foam is immersed in 15 mL, mass fraction is in 10% dilute hydrochloric acid 10
Min is dry that activation nickel foam is made with distilled water flushing 3 times；Imidazoles ylidene ligands HL aqueous solutions and persulfate aqueous solution are total to
After mixed, the cm activation nickel foam of 1.0 cm × 1.0 is immersed in mixed liquor, ambient temperature overnight takes out foam nickel composite material
Afterwards, 3 times, dry, obtained foamed nickel supported metal-organic coordination polymer Ni@NiL composite woods are washed with water and ethyl alcohol respectively
Material；
（3）Ni@NiL composite materials are placed in tube furnace, are heated to 300 DEG C in air atmosphere, heating rate for 5 DEG C/
Min, 300 DEG C of heat preservation 2h, cools to room temperature, and foamed nickel supported nickel oxide is made and nickel sulfide nano particle doped carbon is aza
Material, i.e. NiO/NiS/CN nano-hybrid materials.
Embodiment 3
1. a kind of preparation method of NiO/NiS/CN nano-hybrid materials
（1）Prepare imidazoles ylidene ligands HL
10 mmol imidazoles -4- formaldehyde are dissolved in 27 mL methanol；The L-Methionine of 10 mmol and 5 mmol sodium carbonate are dissolved in 25 mL
In water；Two solution blendings, are heated to reflux 1h；Mixed liquor is rotated, 60 DEG C of dryings, imidazoles ylidene ligands HL, yield 93% is made；
The imidazoles ylidene ligands HL, structural formula is the same as embodiment 1；
（2）Using imidazoles ylidene ligands HL and nickel foam Ni, it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials
1.3g imidazoles ylidene ligands HL is dissolved in 17 mL water, imidazoles ylidene ligands HL aqueous solutions are made；1.7 g potassium peroxydisulfates are dissolved in
Persulfate aqueous solution is made in 17 mL water；Nickel foam is immersed in 10-15 mL, mass fraction is in 10% dilute hydrochloric acid 10
Min is dry that activation nickel foam is made with distilled water flushing 3 times；Imidazoles ylidene ligands HL aqueous solutions and persulfate aqueous solution are total to
After mixed, the cm activation nickel foam of 1.0 cm × 1.0 is immersed in mixed liquor, ambient temperature overnight takes out foam nickel composite material
Afterwards, 3 times, dry, obtained foamed nickel supported metal-organic coordination polymer Ni@NiL composite woods are washed with water and ethyl alcohol respectively
Material；
（3）Ni@NiL composite materials are placed in tube furnace, are heated to 270 DEG C in air atmosphere, heating rate for 5 DEG C/
Min, 270 DEG C of heat preservation 2h, cools to room temperature, foamed nickel supported nickel oxide and the aza material of nickel sulfide nano particle doped carbon is made
Material, i.e. NiO/NiS/CN nano-hybrid materials.
Embodiment 4
Embodiment 1, embodiment 2 or NiO/NiS/CN nano-hybrid materials described in embodiment 3 should as electrochemical catalyst
With：Using three-electrode electro Chemical work station, the cm NiO/NiS/CN nano-hybrid materials of 1.0 cm × 1.0 as working electrode,
Pt pieces (mm of 5 mm × 5 × 0.1 mm) are to electrode, and Hg/HgO electrodes are reference electrode, using polarization curve method of testing,
Electrolyte is that the aqueous energy of electrocatalytic decomposition is tested in 0.5 M KOH aqueous solutions；The NiO/NiS/CN nano-hybrid materials electricity is urged
Change and decompose water, as the mA/cm of current density, J=152When, current potential is 1.32 V（vs RHE）；Tafel slope is 65 mV dec-1,
Illustrate that the material efficiently analyses oxygen catalytic activity；Before and after 30 h, such material polarization curve does not find apparent become
Change, show that catalyst is with good stability.
Claims (5)
1. a kind of preparation method of NiO/NiS/CN nano-hybrid materials, which is characterized in that preparation process is as follows：
（1）Using imidazoles ylidene ligands HL and nickel foam Ni, it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials；
The imidazoles ylidene ligands HL, structural formula are as follows：
Imidazoles ylidene ligands HL preparation methods are as follows：
10 mmol imidazoles -4- formaldehyde are dissolved in 20-30 mL methanol；The L-Methionine of 10 mmol and 5 mmol sodium carbonate are dissolved in 20-
In 30 mL water；Two solution blendings, are heated to reflux 1h；Mixed liquor is rotated, 60 DEG C of dryings, imidazoles ylidene ligands HL, yield is made
92-95%；
（2）Ni@NiL composite materials in air atmosphere are calcined, foamed nickel supported nickel oxide and nanometer nickel sulfide is made
The aza material of particle doped carbon, i.e. NiO/NiS/CN nano-hybrid materials.
A kind of 2. preparation method of NiO/NiS/CN nano-hybrid materials as described in claim 1, which is characterized in that the step
Suddenly（1）It is middle to use imidazoles ylidene ligands HL and nickel foam Ni it is organic that redox self assembly prepares foamed nickel supported metal for raw material
Coordination polymer Ni@NiL composite materials, step are as follows：
1.0-1.5g imidazoles ylidene ligands HL is dissolved in 15-18 mL water, imidazoles ylidene ligands HL aqueous solutions are made；
1.5-2.0 g potassium peroxydisulfates are dissolved in 15-20 mL water, persulfate aqueous solution is made；
After imidazoles ylidene ligands HL aqueous solutions and persulfate aqueous solution blending, by the cm of 1.0 cm × 1.0 activation nickel foam dippings
In mixed liquor, ambient temperature overnight after foam nickel composite material is taken out, washs 3 times, dry, obtained bubble with water and ethyl alcohol respectively
Foam nickel load metal-organic coordination polymer Ni@NiL composite materials.
A kind of 3. NiO/NiS/CN nano-hybrid materials preparation method as described in claim 1, which is characterized in that the activation
Nickel foam, be by nickel foam be immersed in 10-15 mL, mass fraction be 10% dilute hydrochloric acid in 10 min, with distilled water flushing 3
It is secondary, it is dry to be made.
4. a kind of NiO/NiS/CN nano-hybrid materials preparation method as described in claim 1, which is characterized in that described
Step（2）It is middle to calcine Ni@NiL composite materials in air atmosphere, it is that Ni@NiL composite materials are placed in tube furnace, in air atmosphere
250-300 DEG C is heated to, heating rate is 5 DEG C/min, and 250-300 DEG C of heat preservation 2h cools to room temperature, NiO/ is made
NiS/CN nano-hybrid materials.
5. NiO/NiS/CN nano-hybrid materials prepared by preparation method as described in claim 1 should as elctro-catalyst
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475647.XA CN108179434B (en) | 2017-12-29 | 2017-12-29 | A kind of preparation method and application of NiO/NiS/CN nano-hybrid material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475647.XA CN108179434B (en) | 2017-12-29 | 2017-12-29 | A kind of preparation method and application of NiO/NiS/CN nano-hybrid material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108179434A true CN108179434A (en) | 2018-06-19 |
| CN108179434B CN108179434B (en) | 2019-06-21 |
Family
ID=62549232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475647.XA Expired - Fee Related CN108179434B (en) | 2017-12-29 | 2017-12-29 | A kind of preparation method and application of NiO/NiS/CN nano-hybrid material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108179434B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420633A (en) * | 2019-06-27 | 2019-11-08 | 河南大学 | A kind of carbon load H2O-WOxNano-particles reinforcement structure and preparation method thereof |
| CN114855184A (en) * | 2022-04-29 | 2022-08-05 | 兰州大学 | Water decomposition catalyst and preparation method and application thereof |
-
2017
- 2017-12-29 CN CN201711475647.XA patent/CN108179434B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| CANBIN OUYANG: "Hierarchically Porous Ni3S2 Nanorod Array Foam as Highly EfficientElectrocatalyst for Hydrogen Evolution Reaction and Oxygen Evolution Reaction", 《ELECTROCHIMICA ACTA》 * |
| LIU YANG: "An efficient NiS@N/S-C hybrid oxygen evolution electrocatalyst derivedfrom metal-organic framework", 《ELECTROCHIMICA ACTA》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420633A (en) * | 2019-06-27 | 2019-11-08 | 河南大学 | A kind of carbon load H2O-WOxNano-particles reinforcement structure and preparation method thereof |
| CN114855184A (en) * | 2022-04-29 | 2022-08-05 | 兰州大学 | Water decomposition catalyst and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108179434B (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Du et al. | Progress in inorganic cathode catalysts for electrochemical conversion of carbon dioxide into formate or formic acid | |
| CN110331414B (en) | MOF (Metal organic framework) composite copper-based nanorod array @ foam copper-based composite electrode material as well as preparation method and application thereof | |
| CN110739463B (en) | Preparation method and application of bimetal organic framework composite material | |
| CN107999075B (en) | A kind of aza material preparation method of NiO nanoparticle doped carbon and application | |
| CN109518220B (en) | Preparation method for constructing two-dimensional metal organic framework nano-scale hydrolysis electrocatalyst by using foamy copper as substrate and application of nano-scale hydrolysis electrocatalyst in water electrolysis hydrogen evolution | |
| CN108048860B (en) | A kind of aza material preparation method of NiO/NiS nanoparticle codope carbon and application | |
| CN109718822B (en) | Method for preparing metal-carbon composite catalytic material and application thereof | |
| CN113437314B (en) | Nitrogen-doped carbon-supported low-content ruthenium and Co 2 Three-function electrocatalyst of P nano particle and preparation method and application thereof | |
| CN107999079A (en) | One kind is based on the preparation method and application of Cu (II)-MOF/Ni composite materials | |
| CN105858815A (en) | Preparation method for NiCo2S4@NiCo2O4 nanoneedle composite catalytic electrode with core-shell structure | |
| CN111054408A (en) | Preparation method of porous nickel-molybdenum-based nanosheet bifunctional electrocatalyst | |
| CN107486233A (en) | A kind of carbonitride adulterates the preparation method and application of carbon-based cobalt/cobalt oxide nanocatalyst | |
| CN112877725A (en) | Ruthenium/ruthenium oxide modified nitrogen-doped graphene three-dimensional composite material and preparation method and application thereof | |
| CN107630228A (en) | A kind of nano-porous structure oxygen-separating catalyst of surface oxidation iridium enrichment and preparation method thereof | |
| CN109321933A (en) | A kind of preparation method and application of MOF/ carbon dots nanocomposite catalyst | |
| CN109755600A (en) | The application of carbon cloth nickel-loaded cobalt oxide nano-sheet composite material and preparation method and electrode | |
| CN104043453B (en) | A kind of support type cobaltosic oxide nano composite catalyst and application | |
| CN113512738B (en) | Ternary iron-nickel-molybdenum-based composite material water electrolysis catalyst, and preparation method and application thereof | |
| CN108179434B (en) | A kind of preparation method and application of NiO/NiS/CN nano-hybrid material | |
| CN109301249A (en) | A kind of nickel foam original position load SnO2Nanoparticle doped graphitic carbon composite material and preparation method thereof and application | |
| CN107293759A (en) | A kind of preparation method of fuel cell oxygen reduction electrocatalyst | |
| Kou et al. | Polyethylene oxide-engineered graphene with rich mesopores anchoring Bi2O3 nanoparticles for boosting CO2 electroreduction to formate | |
| CN111785981B (en) | Palladium-palladium-tungsten-chromium nano catalyst and preparation method and application thereof | |
| CN115448817A (en) | Method for preparing ethylene glycol by oxidizing ethylene in one-step oxygen method in coupling electrocatalysis and thermocatalysis processes | |
| Liu et al. | Self‐supported bimetallic array superstructures for high‐performance coupling electrosynthesis of formate and adipate |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |