CN105731463B - A kind of preparation method and application of molybdenum carbide micron ball - Google Patents
A kind of preparation method and application of molybdenum carbide micron ball Download PDFInfo
- Publication number
- CN105731463B CN105731463B CN201610196186.1A CN201610196186A CN105731463B CN 105731463 B CN105731463 B CN 105731463B CN 201610196186 A CN201610196186 A CN 201610196186A CN 105731463 B CN105731463 B CN 105731463B
- Authority
- CN
- China
- Prior art keywords
- molybdenum carbide
- micron ball
- molybdenum
- exchange resin
- carbide micron
- 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.)
- Active
Links
Classifications
-
- 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
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
-
- 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
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a kind of preparation method of molybdenum carbide micron ball, comprise the following steps：(1) strong-base anion-exchange resin is added in molybdate solution, stirring reaction under normal temperature, by washing, filters and obtain molybdenum ion resin complexes, the ion exchange resin beads containing molybdenum element are obtained after drying；(2) ion exchange resin beads containing molybdenum element that step (1) obtains are placed in ceramic crucible, under inert gas shielding, are calcined 1~4 hour in 700~1000 DEG C, naturally cool to room temperature, obtain molybdenum carbide microballoon.The invention also discloses application of the molybdenum carbide micron ball in aquatic products hydrogen is electrolysed.The preparation condition of the present invention requires low, and raw material is cheap and easy to get, and the molybdenum carbide micron ball being prepared is with the good electro-chemical activity of the low overpotential of catalysis and stability.
Description
Technical field
The present invention relates to the preparation method and application of catalyst field, more particularly to molybdenum carbide micron ball.
Background technology
Because hydrogen resource enriches, source is wide, and the combustion heat value of hydrogen is high, cleanliness without any pollution, increasingly by various countries' science
The concern of family.Water electrolysis hydrogen production is presently the most ripe, is easy to industrialize, green method.Traditional electrolysis aquatic products hydrogen
It is to be supported on electrolysis water catalyst powder on conductive electrode by binding agent to carry out electrolysis water production hydrogen.Asked existing for this pattern
Topic is that the catalyst of load easily comes off, and binding agent can also reduce elctro-catalyst activity, the especially situation of high capacity amount
Under.Molybdenum carbide is a kind of efficient catalyst, is widely used in being electrolysed the field such as aquatic products hydrogen and hydrodesulfurization.Traditional method is closed
Complicated technique is needed into molybdenum carbide, size and pattern are uncontrollable, obtain random molybdenum carbide powder, it is necessary to be supported on various
Compressing it can apply on carrier or just catalytic reaction.
The content of the invention
In order to overcome the disadvantages mentioned above of prior art and deficiency, it is an object of the invention to provide a kind of molybdenum carbide micron ball
Preparation method, raw material is cheap, and technique is simple, obtains the stephanoporate molybdenum carbide microballoon of high catalytic activity, avoids powder catalyst
The shortcomings of load and subsequent forming, realize suspension electrocatalytic reaction.
The purpose of the present invention is achieved through the following technical solutions：
A kind of preparation method of molybdenum carbide micron ball, comprises the following steps：
(1) strong-base anion-exchange resin is added in molybdate solution, stirring reaction 12~48 hours under normal temperature, led to
Washing is crossed, filters and obtains molybdenum ion-resin complexes, the ion exchange resin beads containing molybdenum element are obtained after drying；
(2) ion exchange resin beads containing molybdenum element that step (1) obtains are placed in ceramic crucible, in indifferent gas
Under body protection, it is calcined 1~4 hour in 700~1000 DEG C, naturally cools to room temperature, obtain molybdenum carbide microballoon.
The mass ratio of strong-base anion-exchange resin and molybdate described in step (1) is 1~10.
Strong-base anion-exchange resin described in step (1) is 201 × 4,201 × 7,202,213, D201, D202 type
One kind in anion exchange resin.
Step (1) described molybdate solution is ammonium molybdate, potassium molybdate or sodium molybdate.
Step (2) is calcined 1~4 hour in 700~1000 DEG C, is specially：
700~1000 DEG C are warming up to 1~10 DEG C/min of programming rate to be calcined 1~4 hour.
The application of the molybdenum carbide micron ball, for being electrolysed aquatic products hydrogen.
Catalyst of the molybdenum carbide micron ball as suspension electrolysis aquatic products hydrogen, it is added to electro-catalysis solution aquatic products hydrogen production device
In the electrolyte of cathode chamber.
The suspension electro-catalysis solution aquatic products hydrogen production device includes electrolytic cell, is provided with the electrolytic cell electrolytic cell being divided into sun
The PEM of pole room and cathode chamber；The PEM is obliquely installed, and lower end is affixed on the bottom of electrolytic cell, and upper end is affixed on
The top of electrolytic cell；The anode chamber is located at the top of PEM, and the side wall of anode chamber is provided with anode, the top of anode chamber
Provided with oxygen outlet；The cathode chamber is located at the lower section of PEM, and the bottom of cathode chamber is provided with negative electrode, the top of cathode chamber
Provided with hydrogen outlet.
The application of described molybdenum carbide micron ball, the negative electrode are affixed on the bottom of electrolytic cell.
Compared with prior art, the present invention has advantages below and beneficial effect：
(1) preparation method of molybdenum carbide micron ball of the invention, preparation condition require low, and raw material is cheap and easy to get, both solves
Problem of environmental pollution, the elctro-catalyst of high catalytic activity is obtained again.
(2) the molybdenum carbide micron ball that the preparation method of molybdenum carbide micron ball of the invention is prepared, have and be catalyzed low mistake
Current potential and the good electro-chemical activity of stability.
(3) molybdenum carbide micron ball prepared by the present invention is applied in electrolysis aquatic products hydrogen, the electro-catalysis Xie Shui that can suspend reactions,
Solve the problems, such as the load of elctro-catalyst binder free and recycle, realize high current density during electrolysis water evolving hydrogen reaction,
The technical goal of high stability and high catalytic efficiency.
Brief description of the drawings
Fig. 1 is the molybdenum carbide that 900 degrees Celsius of roastings obtain after ion-exchange reactions of embodiments of the invention 1
XRD spectrum.
Fig. 2 is 900 degrees Celsius of roasting gained molybdenum carbide micron ball stereoscan photographs of embodiments of the invention 1.
Fig. 3 is the partial enlargement ESEM of 900 degrees Celsius of roasting gained molybdenum carbide micron balls of embodiments of the invention 1
Photo.
Fig. 4 is the schematic diagram of the suspension electro-catalysis solution water installations of embodiments of the invention 1.
Fig. 5 is the schematic diagram of the suspension electrolysis aquatic products hydrogen of embodiments of the invention 1.
Fig. 6 is that the molybdenum carbide micron ball of embodiments of the invention 1 is the polarization curve of catalyst.
Fig. 7 is that the time current curve of hydrogen reaction is produced in the suspension electro-catalysis of the molybdenum carbide micron ball of embodiments of the invention 1
Figure.
Fig. 8 is the X-ray diffractogram of the molybdenum carbide of 1000 degrees Celsius of synthesis of embodiments of the invention 2.
Fig. 9 is the scanning electron microscope (SEM) photograph of the molybdenum carbide of 1000 degrees Celsius of synthesis of embodiments of the invention 2.
Figure 10 is the polarization curve result of the molybdenum carbide of 1000 degrees Celsius of synthesis of embodiments of the invention 2.
Figure 11 obtains molybdenum carbide and molybdenum dioxide mixture shape appearance figure for 800 degrees Celsius of synthesis of embodiments of the invention 4.
Figure 12 is the molybdenum carbide and molybdenum dioxide mixture X ray powder of 800 degrees Celsius of synthesis of embodiments of the invention 4
Diffraction patterns.
Figure 13 is that the molybdenum dioxide of 700 degrees Celsius of synthesis of embodiments of the invention 3 tests acquisition by nitrogen adsorption desorption
Specific surface area.
Figure 14 is the Raman spectrogram of the molybdenum carbide powder of 900 degrees Celsius of synthesis of embodiments of the invention 5.
Figure 15 is the molybdenum carbide powder x-ray photoelectron energy spectrum diagram C peaks of 900 degrees Celsius of synthesis of embodiments of the invention 5.
Figure 16 is the molybdenum carbide powder x-ray photoelectron energy spectrum diagram Mo3d of 900 degrees Celsius of synthesis of embodiments of the invention 5
Peak.
Figure 17 is the time current curve of the molybdenum carbide of 900 degrees Celsius of synthesis of embodiments of the invention 5.
Figure 18 is the molybdenum carbide impedance results of 900 degrees Celsius of synthesis of embodiments of the invention 5.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
Weigh 5 grams of D201 type anion exchange resin and be added to and fill 20 milliliters, 0.5 mole every liter of sodium molybdate solution,
Add stirring reaction 24 hours under stirrer normal temperature.Solution is slowly added into bottle,suction and filtered, 100 DEG C of gained solid is dry
Dry 24 hours, obtain the ion exchange resin of absorption molybdenum ion.Gained powder is added in ceramic crucible, is placed in atmosphere tube type
In stove, under nitrogen gas protection, 5 DEG C of programming rates per minute are warming up to 900 DEG C of high-temperature roastings 2 hours in tube furnace, naturally cold
But to room temperature, molybdenum carbide micron ball is obtained.Microballoon is characterized as carbonization molybdenum component, such as Fig. 1 by X ray electronic diffraction；By sweeping
Electron microscope observation is retouched to micron spherical morphology, a diameter of 200-500 microns (such as Fig. 2), microsphere surface is made up of graininess,
With loose structure (such as Fig. 3).
As shown in figure 4, the electro-catalysis solution water installations of the present embodiment include electrolytic cell, it is cylindrical structure, body wall is glass
Material, sealed bottom, top is plastics cap bag, provided with oxygen outlet 1 and hydrogen outlet 2；Being provided with the electrolytic cell will electrolysis
Pond is divided into the PEM 5 of anode chamber 3 and cathode chamber 4；The PEM is obliquely installed, and the angle with horizontal plane is
45 degree, lower end is affixed on the bottom of electrolytic cell, and upper end is affixed on plastics cap bag；The anode chamber 3 is located at the upper of PEM 5
Side, anode 6 use square piece type carbon cloth, the side wall located at anode chamber 3, and hydrogen outlet 1 is located at the top of anode chamber 3；The negative electrode
Room 4 is located at the lower section of PEM 5, and negative electrode 7 uses wafer type titanium sheet, and shape is identical with the bottom of electrolytic cell, is affixed on electrolysis
The bottom in pond, hydrogen outlet 2 are located at the top of cathode chamber 4.Elctro-catalyst molybdenum carbide microballoon 8 is scattered in the electrolytic solution.
Added using 5 grams of above-mentioned molybdenum carbide microballoons as elctro-catalyst in the cathode chamber of above-mentioned electro-catalysis solution water installations, with dense
The aqueous sulfuric acid spent for 0.5 mole every liter is electrolyte, and the circular titanium sheet of 5 centimetres of diameter is negative electrode, a diameter of 5 centimetres of circles
Carbon cloth is anode, and centre is acidic proton exchange membrane, and electrolytic cell is glass material.
As shown in figure 5, the molybdenum carbide microballoon suspension electro-catalysis Xie Shui of the present embodiment principle is as follows：
The strongly basic functional group that strong-base anion-exchange resin contains in itself, hydroxyl, molybdic acid can be gone out in dissociation in water
Root anion exchanges with hydroxide radical anion, combines with positive charged group absorption in resin, makees so as to produce anion exchange
With.The resin obtained after ion-exchange reactions is calcined carbonization at high temperature, it is micro- with regard to the molybdenum carbide for the spherical structure that can be maintained
Rice ball.This molybdenum carbide micron ball is transferred to the floated electrolysis water liberation of hydrogen using 0.5 mole every liter of sulfuric acid as electrolyte again
Device, wherein production hydrogen working electrode is in electrolytic cell bottom.By applying appropriately sized voltage, molybdenum carbide micron ball is due to inhaling
With hydrogen caused by catalytic reaction so as to there is upward buoyancy, as gravity Fg and buoyancy FbWhen equal in magnitude, it will produce
Suspend；Meanwhile molybdenum carbide microballoon collides each other, bubble hydrogen is come off and sinks to bottom electrode.Molybdenum carbide microballoon and electrode
Between there is no dead load relation, it is possible to achieve the replacing of simple elctro-catalyst.Molybdenum carbide micron ball floats in the electrolytic solution
Constantly changed with two processes of sedimentation, realize efficiently suspension electrolysis aquatic products hydrogen.
Its polarization curve such as Fig. 6 is tested using linear voltammetric scan, there is low electrolysis aquatic products Hydrogen over potential, its value is 75
Millivolt；Using when m- current methods test its catalytic current density as the change in reaction time, catalytic reaction have no for 10 hours
Catalytic current density reduces, and presents good cyclical stability (Fig. 7).
Embodiment 2
201 × 4 type anion exchange resin for weighing 2g are added to and fill 40 milliliters, 2 moles every liter of sodium molybdate solution,
Add stirring reaction 12 hours under stirrer normal temperature.Resulting solution is filtered, by the drying 48 hours of 100 DEG C of gained solid.Gained
Solid is warming up to 1000 DEG C of high-temperature roastings 2 hours under argon gas protection, with 5 DEG C/min programming rates, naturally cools to room
Temperature, obtain molybdenum carbide micron ball, X-ray diffraction result such as Fig. 8；Molybdenum carbide pattern such as Fig. 9 is obtained by grinding.
Using molybdenum carbide manufactured in the present embodiment as elctro-catalyst, its polarization curve result figure 10, production Hydrogen over potential is 0.22
Volt.
Embodiment 3
Preparation process is a difference in that with embodiment 1：Anion exchange resin uses D202 types, 5 DEG C every point in tube furnace
Clock programming rate is warming up to 800 DEG C of high-temperature roastings 2 hours.Molybdenum carbide microballoon pattern such as Figure 11 of acquisition, X-ray powder diffraction knot
Fruit such as Figure 12.It is 42.8 square metres every gram (Figure 13) to be tested by nitrogen adsorption desorption and obtain its specific surface area, illustrates that molybdenum carbide is micro-
Ball is loose structure.
Embodiment 4
Preparation process is a difference in that with embodiment 1：Calcining heat is changed to 900 DEG C.Being characterized by Raman confirms electro-catalysis
Agent is by two kinds of components of molybdenum carbide and crystalline carbon, such as Figure 14.
Powder manufactured in the present embodiment, is characterized by photoelectron spectroscopy, such as Figure 15 and Figure 16, it can be seen that elctro-catalyst is
It is made up of tetravalence molybdenum element and carbon, it was demonstrated that successfully synthesize molybdenum carbide.
Using molybdenum carbide manufactured in the present embodiment as elctro-catalyst, passage time current curve (such as Figure 17) test characterizes carbonization
Molybdenum has good production stabilized hydrogen.
Using molybdenum carbide manufactured in the present embodiment as elctro-catalyst, gained molybdenum carbide electrochemical impedance result such as Figure 18 is prepared,
As a result show that molybdenum carbide has small impedance value, as voltage increases, impedance tapers into.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by the embodiment
Limitation, the strong-base anion-exchange resin of such as present invention can also be 201 × 7,202,213 types or other anion exchange trees
Fat；Molybdate can be with potassium molybdate or ammonium molybdate other molybdates；Other any Spirit Essences without departing from the present invention and original
Lower the made change of reason, modification, replacement, combination, simplification, should be equivalent substitute mode, are included in the protection of the present invention
Within the scope of.
Claims (7)
1. a kind of preparation method of molybdenum carbide micron ball, it is characterised in that comprise the following steps：
(1) strong-base anion-exchange resin is added in molybdate solution, stirring reaction 12~48 hours, pass through water under normal temperature
Wash, filter and obtain molybdenum ion-resin complexes, the ion exchange resin beads containing molybdenum element are obtained after drying；
(2) ion exchange resin beads containing molybdenum element that step (1) obtains are placed in ceramic crucible, protected in inert gas
Under shield, it is warming up to 700~1000 DEG C with 1~10 DEG C/min of programming rate and is calcined 1~4 hour, naturally cool to room temperature, obtain
To the molybdenum carbide microballoon that homogeneous diameter is 200~500 microns；
The mass ratio of strong-base anion-exchange resin and molybdate described in step (1) is 1~10.
2. the preparation method of molybdenum carbide micron ball according to claim 1, it is characterised in that the highly basic described in step (1)
Property anion exchange resin be 201 × 4,201 × 7,202,213, one kind in D201, D202 type anion exchange resin.
3. the preparation method of molybdenum carbide micron ball according to claim 1, it is characterised in that step (1) described molybdate
Solution is ammonium molybdate, potassium molybdate or sodium molybdate.
4. the molybdenum carbide micron ball that the preparation method of any one of claims 1 to 3 molybdenum carbide micron ball is prepared is answered
With, it is characterised in that for being electrolysed aquatic products hydrogen, the electro-catalysis Xie Shui that can suspend reactions.
5. the application of molybdenum carbide micron ball according to claim 4, it is characterised in that the molybdenum carbide micron ball is as electricity
The catalyst of aquatic products hydrogen is solved, in the electrolyte for the cathode chamber for being added to electro-catalysis solution aquatic products hydrogen production device.
6. the application of molybdenum carbide micron ball according to claim 5, it is characterised in that the electro-catalysis solution aquatic products hydrogen production device
Including electrolytic cell, the PEM that electrolytic cell is divided into anode chamber and cathode chamber is provided with the electrolytic cell；The proton
Exchange membrane is obliquely installed, and lower end is affixed on the bottom of electrolytic cell, and upper end is affixed on the top of electrolytic cell；The anode chamber is located at proton friendship
The top of film is changed, the side wall of anode chamber is provided with anode, and the top of anode chamber is provided with oxygen outlet；The cathode chamber is located at proton friendship
The lower section of film is changed, the bottom of cathode chamber is provided with negative electrode, and the top of cathode chamber is provided with hydrogen outlet.
7. the application of molybdenum carbide micron ball according to claim 6, it is characterised in that the negative electrode is affixed on the bottom of electrolytic cell
In portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196186.1A CN105731463B (en) | 2016-03-31 | 2016-03-31 | A kind of preparation method and application of molybdenum carbide micron ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196186.1A CN105731463B (en) | 2016-03-31 | 2016-03-31 | A kind of preparation method and application of molybdenum carbide micron ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105731463A CN105731463A (en) | 2016-07-06 |
| CN105731463B true CN105731463B (en) | 2018-02-27 |
Family
ID=56252426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610196186.1A Active CN105731463B (en) | 2016-03-31 | 2016-03-31 | A kind of preparation method and application of molybdenum carbide micron ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105731463B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464938B (en) * | 2017-07-31 | 2020-02-04 | 中南大学 | Molybdenum carbide/carbon composite material with core-shell structure, preparation method thereof and application thereof in lithium air battery |
| CN107416834B (en) * | 2017-08-30 | 2020-02-04 | 天津大学 | Method for preparing hollow molybdenum carbide nanospheres by using gas template |
| CN109301211B (en) * | 2018-09-29 | 2021-09-17 | 陕西科技大学 | Self-assembled flower spherical nitrogen-doped Mo4O11Lithium ion battery cathode material and preparation method thereof |
| CN111747413B (en) * | 2019-03-27 | 2023-05-30 | 南京林业大学 | Preparation method of pellet molybdenum carbide easy to separate and recycle |
| CN111558387A (en) * | 2020-05-18 | 2020-08-21 | 湖南大学 | Molybdenum carbide/foamed nickel composite material, preparation method thereof and application thereof in electrocatalytic oxygen evolution |
| CN112194136B (en) * | 2020-10-22 | 2021-06-22 | 哈尔滨工业大学 | Preparation method of three-dimensional bouquet structure alpha-molybdenum carbide @ carbon with efficient photo-thermal conversion characteristic |
| CN113134374B (en) * | 2021-04-23 | 2022-11-08 | 湖南工学院 | MoO 2 -Mo 2 C hydrogen evolution catalytic material and preparation method and application thereof |
| CN113265671B (en) * | 2021-05-11 | 2022-05-03 | 嘉寓氢能源科技(辽宁)有限公司 | Suspension electro-catalysis hydrogen production device |
| CN114318397A (en) * | 2021-12-07 | 2022-04-12 | 南京信息工程大学 | Molybdenum-based electrocatalyst, preparation method thereof, bifunctional electrolytic cell and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582608A (en) * | 2012-04-11 | 2014-02-12 | 松下电器产业株式会社 | Hydrogen-generating cell, hydrogen-generating device, and energy system using hydrogen-generating device |
-
2016
- 2016-03-31 CN CN201610196186.1A patent/CN105731463B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582608A (en) * | 2012-04-11 | 2014-02-12 | 松下电器产业株式会社 | Hydrogen-generating cell, hydrogen-generating device, and energy system using hydrogen-generating device |
Non-Patent Citations (2)
| Title |
|---|
| Highly active and durable nanostructured molybdenum carbide electrocatalysts for hydrogen production;W.-F. Chen et al.;《Energy Environ. Sci.》;20130131;第6卷;第943-951页 * |
| Pd supported on 2–4 nm MoC particles with reduced particle size,synergistic effect and high stability for ethanol oxidation;Zaoxue Yan et al.;《Electrochimica Acta》;20130715;第108卷;第644–650页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105731463A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105731463B (en) | A kind of preparation method and application of molybdenum carbide micron ball | |
| Wang et al. | Porous nickel–iron selenide nanosheets as highly efficient electrocatalysts for oxygen evolution reaction | |
| Chen et al. | Well-defined CoSe 2@ MoSe 2 hollow heterostructured nanocubes with enhanced dissociation kinetics for overall water splitting | |
| Guan et al. | CdS@ Ni 3 S 2 core–shell nanorod arrays on nickel foam: a multifunctional catalyst for efficient electrochemical catalytic, photoelectrochemical and photocatalytic H 2 production reaction | |
| Lee et al. | Beaded stream-like CoSe 2 nanoneedle array for efficient hydrogen evolution electrocatalysis | |
| Kong et al. | Noble metal-free 0D–1D NiCoP/Mn0. 3Cd0. 7S nanocomposites for highly efficient photocatalytic H2 evolution under visible-light irradiation | |
| Wang et al. | Anchoring highly-dispersed ZnCdS nanoparticles on NiCo Prussian blue Analogue-derived cubic-like NiCoP forms an S-scheme heterojunction for improved hydrogen evolution | |
| CN107620087A (en) | A kind of FeOOH nickel-ferric spinel integration analysis oxygen electrode and preparation and application | |
| CN105107536A (en) | Preparation method of polyhedral cobalt phosphide catalyst for hydrogen production through water electrolysis | |
| CN109908938A (en) | A kind of preparation method of Novel electrolytic water Oxygen anodic evolution catalyst Co@NC/CNT | |
| CN106824198B (en) | Cobalt-based produces VPO catalysts and preparation method thereof and a kind of alkaline hydrogen manufacturing electrolytic cell | |
| CN110846678A (en) | Dual-function catalyst electrode for urea electrolysis-assisted hydrogen production by foam nickel load | |
| CN106807379A (en) | A kind of flower ball-shaped nickel cobalt oxide oxygen-separating catalyst and its preparation method and application | |
| CN108441884A (en) | Compound Electrocatalytic Activity for Hydrogen Evolution Reaction agent of molybdenum disulfide/carbon and preparation method thereof | |
| CN106757143A (en) | A kind of water decomposition reaction catalysis electrode and preparation method thereof | |
| CN112058283B (en) | Preparation method and application of nickel selenide/molybdenum selenide composite nano electrocatalyst | |
| CN110075853A (en) | Water CoZn-LDHs-ZIF@C sandwich and preparation method, application are decomposed in a kind of electro-catalysis entirely | |
| CN109837559B (en) | Hydrothermal-assisted preparation method of hydroxyl iron oxide-nickel iron hydrotalcite integrated electrode | |
| CN110581264B (en) | High-performance nickel-zinc battery negative electrode active material and preparation method thereof | |
| CN107240505A (en) | Electrode material for super capacitor Zn doping NiCo2O4Compound and preparation method | |
| CN108855112A (en) | Perovskite oxygen-separating catalyst with high-specific surface area and preparation method thereof | |
| Feng et al. | Copper-doped ruthenium oxide as highly efficient electrocatalysts for the evolution of oxygen in acidic media | |
| CN109304187A (en) | A kind of hollow nanocomposite, preparation method and applications | |
| Wang et al. | Elaborately tailored NiCo 2 O 4 for highly efficient overall water splitting and urea electrolysis | |
| Vignesh et al. | Rational construction of efficient ZnS quantum dots-supported g-C3N4 with Co3O4 heterostructure composite for bifunctional electrocatalytic hydrogen evolution reaction and environmental pollutant degradation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |