CN110106518A - A kind of composite material and preparation method for alkaline electrocatalytic hydrogen evolution - Google Patents
A kind of composite material and preparation method for alkaline electrocatalytic hydrogen evolution Download PDFInfo
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- CN110106518A CN110106518A CN201910533799.3A CN201910533799A CN110106518A CN 110106518 A CN110106518 A CN 110106518A CN 201910533799 A CN201910533799 A CN 201910533799A CN 110106518 A CN110106518 A CN 110106518A
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
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- 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 kind of composite materials and preparation method for alkaline electrocatalytic hydrogen evolution, the composite material is made of cobalt-based ZIF-67 and carbon, the composite material is as shown in logical formula (I): ZIF-67/C (I), wherein ZIF-67 is Co-2- methylimidazole.Preparation method is by by Co (NO3)2·6H2The methanol solution of O and 2-methylimidazole is mixed to get ZIF-67 nano material, ZIF-67 nano material is then mixed ultrasound with the aqueous dispersions of conductive carbon black and Nafion solution, ZIF-67/C nanometer electrical catalyst is prepared.The method of the present invention is simple, cheap, and composite material is prepared with better electrocatalytic hydrogen evolution performance and stability.
Description
Technical field
The invention belongs to electrolysis water catalytic hydrogen evolution technical fields, and in particular to a kind of for the compound of alkaline electrocatalytic hydrogen evolution
Material and preparation method.
Background technique
With increasingly sharpening for energy crisis and environmental pollution, the exploitation of various new and renewable energies by
The great attention of countries in the world, and hydrogen as secondary energy sources with its cleanliness without any pollution, efficiently, can store and transport the advantages that,
It is considered as ideal energy carrier.Pure hydrogen is obtained on a large scale from nature as development and utilization hydrogen energy source weight
One of link is wanted, the hydrogen production process developed at present has very much, but in various hydrogen producing technologies, and water electrolysis hydrogen production has product pure
The advantages that degree is high, electrolytic efficiency is high, pollution-free, materials are abundant has been widely used.Therefore, water electrolysis hydrogen production technology is considered as
Future leads to the optimal path of " hydrogen economy ".In water electrolysis hydrogen production technology, it is divided under acid condition according to the pH value of water electric
Two kinds of electrolysis water under Xie Shui and alkaline condition, since electrolysis water is more demanding to electrolysis installation raw material in acid condition,
It is difficult to meet heavy industrialization production steady in a long-term.Therefore, extensive electrolysis water industrial at present is all in alkaline condition
Lower progress.And be electrolysed water and wastewater industry there are the higher problems of energy consumption as other electrolytic industries, electrolysis water is produced according to statistics
For enterprise, power consumption cost accounts for about 50% of its production cost or more.Therefore, the energy consumption for reducing electrolysis water and wastewater industry not only can
The economic benefit of manufacturing enterprise is enough improved, and also complies with the medium-term and long-term demand for development in China's " energy-saving and emission-reduction ".Alkalinity item at present
Under part in electrolysis hydrogen producing process, used hydrogen-precipitating electrode is nickel screen base precious metal oxide-coated cathode, along in recent years
The rise of noble metal price, manufacturing cost improve year by year, therefore how to further increase existing metal oxide containing precious metals analysis
The electrocatalytic properties of hydrogen evolution of hydrogen electrode, to improve the cost performance of its application and develop high activity, inexpensive hydrogen-precipitating electrode
Matter of utmost importance as electrolysis water manufacturing enterprise.
Metal organic framework compound (MOFs) is to be stood by metal center and multiple tooth organic ligand by what coordinate bond was formed
The porous crystalline material of volume grid structure has the advantages that uniqueness, such as porosity, large specific surface area, compound with regular structure and controllable
Property, easy functionalization etc., show unique in numerous areas such as absorption, separation, magnetism, optics, catalysis, hydrogen storage, molecular recognitions
Physical and chemical performance and potential application value.In recent years, MOFs and its derivative be because of its unique texture and physicochemical properties,
Application in electrochemical energy conversion is concerned.MOFs has following distinguishing feature as elctro-catalyst: (i) has
Highly ordered porous structure, pore-size distribution is uniform, large specific surface area, is conducive to the dispersion of active component, mentions for electrocatalytic reaction
For a large amount of active sites；(ii) ultramicropore can be obtained to Jie by adjusting metal center and organic ligand in the Modulatory character in aperture
The MOFs material in the various apertures in hole, is conducive to the preparation of complicated porous catalyst；(iii) easily functionalization and modification, is conducive to
MOFs is combined with other function substance, prepares composite material, improves the electrocatalysis characteristic of MOFs itself；(iv) it can be used several
Kind of different metal prepares MOFs, and the topological structure etc. for keeping its original, these designs all for MOFs elctro-catalyst provide
Very big development space.Although the research based on MOFs nanometer electrical catalyst makes some progress, its research is also located
In the initial stage, MOFs elctro-catalyst still has some problems, for example electric conductivity is poor, and electro catalytic activity need further
It improves, the stability under acid-base condition is poor etc..For this defect and deficiency, This invention provides a kind of cobalt-based MOF (ZIF-
67) and the preparation method of the composite material of carbon, the material can electrocatalytic decomposition aquatic products hydrogen under alkaline condition.
Summary of the invention
The purpose of the present invention is to provide a kind of cheap, efficient alkaline electrocatalytic hydrogen evolution catalyst, the present invention
Another object be to provide the preparation method of the catalyst.
The present invention is realized especially by following technical scheme:
A kind of composite material for alkaline electrocatalytic hydrogen evolution, the composite material are made of cobalt-based ZIF-67 and carbon,
The composite material is as shown in logical formula (I):
ZIF-67/C (I)。
The ZIF-67 is Co-2- methylimidazole.
The preparation method of the above-mentioned composite material for alkaline electrocatalytic hydrogen evolution, packet are provided in another aspect of this invention
Include following steps:
1) preparation of ZIF-67 nano material
By Co (NO3)2·6H2O and 2-methylimidazole are dissolved in methanol respectively to being completely dissolved, and obtain solution A and B；It will be molten
Liquid A and B have mixed to purple precipitating, are dried to obtain ZIF-67 nano material after washing purple precipitating；
2) preparation of ZIF-67/C nanometer electrical catalyst
The aqueous dispersions and Nafion solution of ZIF-67 nano material and conductive carbon black are mixed, the obtained ZIF-67/C of ultrasound
The dispersion liquid of nanometer electrical catalyst.
Further, the stirring condition of solution A and B are stirring at normal temperature 6h in step (1).
Further, the drying condition in step (1) is the dry 12h in 60 DEG C of vacuum oven.
Further, Co (NO described in step (1)3)2·6H2The mass ratio of O and 2-methylimidazole is 1:1.
Further, the mass ratio of ZIF-67 nano material described in step (2) and conductive carbon black is 5:1.
The invention has the benefit that
Invention provides a kind of preparation method of easily nano combined elctro-catalyst of MOF, and prepared ZIF-67/C receives
Rice elctro-catalyst has better electrocatalytic hydrogen evolution performance and stability compared to pure ZIF-67 material under alkaline condition,
A kind of new method is provided for exploitation low price, efficient alkaline electrocatalytic hydrogen evolution catalyst.
Detailed description of the invention
Fig. 1 is linear polarization scanning curve graph of the material prepared in the KOH solution of 1mol/L in embodiment 2,9,10；
Fig. 2 is electrochemical impedance spectrogram of the material prepared in the KOH solution of 1mol/L in embodiment 2,9,10；
Fig. 3 is cyclic voltammetry curve figure of the material prepared in the KOH solution of 1mol/L in embodiment 2；
Fig. 4 is cyclic voltammetry curve figure of the material prepared in the KOH solution of 1mol/L in embodiment 9；
Fig. 5 is cyclic voltammetry curve figure of the material prepared in the KOH solution of 1mol/L in embodiment 10；
Fig. 6 be in embodiment 2,9,10 material prepared swept under 0.08V (relative to reversible hydrogen electrode) speed it is close to electric current
Spend difference DELTA J (Δ J=Ja–Jc) linear relationship chart；
Fig. 7 is time current curve figure of the material prepared in the KOH solution of 1mol/L in embodiment 2.
Specific embodiment
Below in conjunction with specific embodiment of the present invention, technical solution of the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 40 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 30min.
Embodiment 2
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 40 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 60min.
Embodiment 3
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 40 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 90min.
Embodiment 4
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 40 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 120min.
Embodiment 5
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 50 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 60min.
Embodiment 6
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 60 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 60min.
Embodiment 7
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 70 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 60min.
Embodiment 8
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 1ml conductive carbon black aqueous dispersions (2mg/ml) and 80 μ l
The dispersion liquid of ZIF-67/C nanometer electrical catalyst is made in Nafion (5%) solution, ultrasonic 60min.
Embodiment 9
By 0.349g Co (NO3)2·6H2O is dissolved in 30ml methanol, and magnetic agitation obtains solution A to being completely dissolved；It will
0.394g 2-methylimidazole is dissolved in 30ml methanol, and magnetic agitation obtains solution B to being completely dissolved；Solution A is rapidly added
Into solution B, stirring at normal temperature 6h is centrifugally separating to obtain purple precipitating.It is true in 60 DEG C after obtained precipitating methanol is washed three times
It is saved backup after dry 12h in empty drying box.
By 10mg ZIF-67 nano material, 2ml water, 40 μ l Nafion (5%) solution, ZIF-67 is made in ultrasonic 60min
Dispersion liquid.
Embodiment 10
By 2ml water, the aqueous dispersions (2mg/ml) of 1ml conductive carbon black and 40 μ l Nafion (5%) solution, ultrasound
The dispersion liquid of conductive carbon black is made in 60min.
With Shanghai Chen Hua CHI 660E electrochemical workstation come material prepared by testing example 2,9,10 in alkaline item
Electrocatalytic hydrogen evolution performance under part, all potential values all add 1.031V and are converted to relatively reversible hydrogen electrode (RHE) voltage.
It is tested using three-electrode system, (diameter is 3mm to the glass-carbon electrode coated with material prepared, and area is
0.070785cm2) it is working electrode, graphite rod is to electrode, and reference electrode is silver-silver chloride (3M KCl), electrolysis used
Matter is the KOH solution of 1mol/L.The correlation of linear scan test parameter is provided that scanning range from 0.2~-0.6V
(vs.RHE), linear scanning velocity 5mV/s, sampling interval are 1mV.
As shown in Figure 1, linear polarization scanning of the material prepared in the KOH solution of 1mol/L is bent in embodiment 2,9,10
Line, it is known that prepared material ZIF-67/C has relatively small overpotential in embodiment 2, is 0.343V；And in embodiment 9
The overpotential of prepared material ZIF-67 is 0.406V, and the current density of prepared material C is unable to reach in embodiment 10
10mA·cm-2.Prepared material ZIF-67/C only needs the overpotential of 0.45V to can reach 40mAcm in embodiment 2-2
Current density, and material ZIF-67 prepared in embodiment 9 needs the overpotential of 0.519V to can be only achieved 40mAcm-2's
Current density.
As shown in Fig. 2, electrochemical impedance spectroscopy of the material prepared in the KOH solution of 1mol/L in embodiment 2,9,10,
Know that material ZIF-67/C prepared in embodiment 2 has relatively small charge-transfger impedance value.
As shown in figure 3, material prepared potential region in the KOH solution of 1mol/L is 0.03-0.13V in embodiment 2
The cyclic voltammetry curve of (relative to reversible hydrogen electrode) can be calculated the electrochemical double layer capacitor (C of material by the curvedl),
Speed ought be swept by, which knowing, progressively increases to 100mVs from 30-1When, it is corresponding that apparent faradic currents are not observed within this range
Electrochemical characteristic.
As shown in figure 4, material prepared potential region in the KOH solution of 1mol/L is 0.03-0.13V in embodiment 9
The cyclic voltammetry curve figure of (relative to reversible hydrogen electrode), the curve can calculate the electrochemical double layer capacitor (C of materialdl),
Speed ought be swept by, which knowing, progressively increases to 100mVs from 30-1When, it is corresponding that apparent faradic currents are not observed within this range
Electrochemical characteristic.
As shown in figure 5, material prepared potential region in the KOH solution of 1mol/L is 0.03-in embodiment 10
The cyclic voltammetry curve figure of 0.13V (relative to reversible hydrogen electrode), the curve can calculate the electrochemical double layer capacitor of material
(Cdl), it is known that 100mVs is progressively increased to from 30 when sweeping speed-1When, apparent faraday's electricity is not observed within this range
Flow corresponding electrochemical characteristic.
As shown in fig. 6, material prepared sweeps speed to electricity under 0.08V (relative to reversible hydrogen electrode) in embodiment 2,9,10
Current density difference DELTA J (Δ J=Ja–Jc) linear relationship chart, for calculating the electrochemical double layer capacitor (C of materialdl), it is known that it is real
Applying material prepared ZIF-67/C in example 2 has relatively large electrochemical double layer capacitor (Cdl) value, it is 8.56mFcm-2, and
Electrochemical double layer capacitor (the C of material prepared in embodiment 9 and 10dl) it is respectively 0.63mFcm-2And 5.99mFcm-2。
As shown in fig. 7, time current curve of the material prepared in the KOH solution of 1mol/L in embodiment 2, from figure
In can obtain, material prepared is with good stability under alkaline condition in embodiment 2.
The electrocatalysis characteristic that table 1 applies material in example 2,9,10 compares
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understand without departing from the principles and spirit of the present invention can to these examples carry out it is a variety of variation, modification, replacement and
Modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of composite material for alkaline electrocatalytic hydrogen evolution, which is characterized in that the composite material is by cobalt-based ZIF-67
It is formed with carbon, the composite material is as shown in logical formula (I):
ZIF-67/C (I)。
2. a kind of composite material for alkaline electrocatalytic hydrogen evolution according to claim 1, which is characterized in that described
ZIF-67 is Co-2- methylimidazole.
3. the preparation method of composite material described in claim 1, which comprises the following steps:
1) preparation of ZIF-67 nano material
By Co (NO3)2·6H2O and 2-methylimidazole are dissolved in methanol respectively to being completely dissolved, and obtain solution A and B；By solution A
Purple precipitating has been mixed to B, has been dried to obtain ZIF-67 nano material after washing purple precipitating；
2) preparation of ZIF-67/C nanometer electrical catalyst
The aqueous dispersions and Nafion solution of ZIF-67 nano material and conductive carbon black are mixed, ultrasound is made ZIF-67/C nanometers
The dispersion liquid of elctro-catalyst.
4. preparation method according to claim 3, which is characterized in that further, the stirring of solution A and B in step (1)
Condition is stirring at normal temperature 6h.
5. preparation method according to claim 3, which is characterized in that drying condition in step (1) is true in 60 DEG C
Dry 12h in empty drying box.
6. preparation method according to claim 3, which is characterized in that Co (NO described in step (1)3)2·6H2O and 2-
The mass ratio of methylimidazole is 1:1.
7. preparation method according to claim 3, which is characterized in that ZIF-67 nano material described in step (2) with
The mass ratio of conductive carbon black is 5:1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733602A (en) * | 2020-06-29 | 2020-10-02 | 天津工业大学 | Preparation method of PPS/MOFs micro-nanofiber alkaline water electrolyzer diaphragm |
| CN111871463A (en) * | 2020-07-14 | 2020-11-03 | 南昌航空大学 | Preparation method of electrocatalytic full-decomposition water material based on ZIF-67 and UiO-66 double MOFs |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706401A (en) * | 2014-01-14 | 2014-04-09 | 东北师范大学 | Preparation method of cobalt metal organic frame/macroporous carbon compound |
| CN105107536A (en) * | 2015-10-09 | 2015-12-02 | 清华大学 | Preparation method of polyhedral cobalt phosphide catalyst for hydrogen production through water electrolysis |
| WO2017117410A1 (en) * | 2015-12-29 | 2017-07-06 | Northeastern University | Non-noble metal electrocatalysts for oxygen depolarized cathodes and their application in chlor-alkali electrolysis cells |
| CN107824188A (en) * | 2017-10-27 | 2018-03-23 | 广西师范大学 | The preparation method of nickel cobalt layered double hydroxide/graphene elctro-catalyst |
| CN109019783A (en) * | 2018-08-30 | 2018-12-18 | 浙江大学 | Carbon-based catalysis electrode of cobalt hydroxide/ZIF-67 and its preparation method and application |
| CN109461916A (en) * | 2018-10-30 | 2019-03-12 | 肇庆市华师大光电产业研究院 | A kind of preparation method of anode material of lithium-ion battery |
| CN109529932A (en) * | 2018-12-04 | 2019-03-29 | 三峡大学 | The preparation method and applications of petal-shaped metal-organic framework material |
| CN109603832A (en) * | 2018-12-28 | 2019-04-12 | 陕西师范大学 | A kind of method of a large amount of flower-shaped cobalt-based double-metal hydroxide of quick preparation |
| CN109652815A (en) * | 2019-01-11 | 2019-04-19 | 河南师范大学 | A kind of preparation method of the layered double-hydroxide elctro-catalyst as derived from MOF with hollow structure |
-
2019
- 2019-06-19 CN CN201910533799.3A patent/CN110106518B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706401A (en) * | 2014-01-14 | 2014-04-09 | 东北师范大学 | Preparation method of cobalt metal organic frame/macroporous carbon compound |
| CN105107536A (en) * | 2015-10-09 | 2015-12-02 | 清华大学 | Preparation method of polyhedral cobalt phosphide catalyst for hydrogen production through water electrolysis |
| WO2017117410A1 (en) * | 2015-12-29 | 2017-07-06 | Northeastern University | Non-noble metal electrocatalysts for oxygen depolarized cathodes and their application in chlor-alkali electrolysis cells |
| CN107824188A (en) * | 2017-10-27 | 2018-03-23 | 广西师范大学 | The preparation method of nickel cobalt layered double hydroxide/graphene elctro-catalyst |
| CN109019783A (en) * | 2018-08-30 | 2018-12-18 | 浙江大学 | Carbon-based catalysis electrode of cobalt hydroxide/ZIF-67 and its preparation method and application |
| CN109461916A (en) * | 2018-10-30 | 2019-03-12 | 肇庆市华师大光电产业研究院 | A kind of preparation method of anode material of lithium-ion battery |
| CN109529932A (en) * | 2018-12-04 | 2019-03-29 | 三峡大学 | The preparation method and applications of petal-shaped metal-organic framework material |
| CN109603832A (en) * | 2018-12-28 | 2019-04-12 | 陕西师范大学 | A kind of method of a large amount of flower-shaped cobalt-based double-metal hydroxide of quick preparation |
| CN109652815A (en) * | 2019-01-11 | 2019-04-19 | 河南师范大学 | A kind of preparation method of the layered double-hydroxide elctro-catalyst as derived from MOF with hollow structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733602A (en) * | 2020-06-29 | 2020-10-02 | 天津工业大学 | Preparation method of PPS/MOFs micro-nanofiber alkaline water electrolyzer diaphragm |
| CN111733602B (en) * | 2020-06-29 | 2022-04-19 | 天津工业大学 | Preparation method of PPS/MOFs micro-nanofiber alkaline water electrolyzer diaphragm |
| CN111871463A (en) * | 2020-07-14 | 2020-11-03 | 南昌航空大学 | Preparation method of electrocatalytic full-decomposition water material based on ZIF-67 and UiO-66 double MOFs |
| CN111871463B (en) * | 2020-07-14 | 2022-02-01 | 南昌航空大学 | Preparation method of electrocatalytic full-decomposition water material based on ZIF-67 and UiO-66 double MOFs |
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