CN105448543A - Preparation method for CoMoO4 nanostructure supercapacitor electrode material taking foam nickel as substrate - Google Patents
Preparation method for CoMoO4 nanostructure supercapacitor electrode material taking foam nickel as substrate Download PDFInfo
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- CN105448543A CN105448543A CN201511016041.0A CN201511016041A CN105448543A CN 105448543 A CN105448543 A CN 105448543A CN 201511016041 A CN201511016041 A CN 201511016041A CN 105448543 A CN105448543 A CN 105448543A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/68—Current collectors characterised by their material
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- 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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention relates to a preparation method for a CoMoO4 nanostructure supercapacitor electrode material taking foam nickel as a substrate. The method comprises: mixing cobalt nitrate, sodium molybdate, ethanol and water to obtain a precursor solution; adding the precursor solution into a reaction kettle liner, and stirring and mixing uniformly; and putting foam nickel into the reaction kettle liner, performing sealing, then performing a hydrothermal reaction, cooling, washing, drying, and performing heat treatment to obtain the CoMoO4 nanostructure supercapacitor electrode material taking the foam nickel as the substrate. The preparation method is simple, short in time and low in cost. The prepared electrode material has relatively high electrochemical activity, and the specific capacity can reach 2.1F cm<-2>.
Description
Technical field
The invention belongs to the preparation field of capacitor electrode material, particularly a kind of nickel foam is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor.
Background technology
Along with the progress of science and technology and the raising of human living standard, we are increasing to the demand of the energy.In order to meet the demand of the mankind to the energy, researcher develops in a large number based on the energy storing device of electrochemical storage.In numerous electrochemical energy storage device, ultracapacitor because have the charging interval short, have extended cycle life and power density advantages of higher and receiving much concern.But lower energy density constrains the application of ultracapacitor in real life, for this reason, fake capacitance capacitor is developed to improve the energy density of ultracapacitor.Transition metal becomes the only selection of research and development fake capacitance ultracapacitor owing to having multiple oxidation state.(DiGuoetal,NanoEnergy,8,174–182)。
Due to its characteristic such as attainable oxidation state and higher electronic conductivity, binary metal oxide has the performance being much better than unitary metal oxide in the application of electrode material for super capacitor.And because its cost is low, the feature such as the wide and environmental friendliness in source, make binary metal oxide be regarded as a kind of efficient, electrode material for super capacitor of having a extensive future.Wherein, cobalt molybdate electrode material has good stability and high rate performance, is the very promising fake capacitance material of one.Current researcher has prepared the CoMoO of various pattern by the method such as solid phase method, hydro thermal method
4nano material, as nano particle, nanometer sheet etc.(DiGuo, etal.J.Mater.Chem.A, 2013,1,7247 – 7254.) but these method complex process and also cost higher, the application in ultracapacitor field is very not outstanding.Therefore, also need to develop suitable material, make CoMoO
4excellent chemical property can be applied to some extent in the work of the ultracapacitor of exploitation high specific capacitance, high-energy-density, high charge-discharge power density, contributes for solving energy scarcity problem.
Summary of the invention
Technical problem to be solved by this invention is to provide the CoMoO that a kind of nickel foam is substrate
4the preparation method of nanostructure electrode material for super capacitor, preparation method of the present invention is simple, the time is short, cost is low, and obtained electrode material has higher electro-chemical activity, and ratio capacitance can reach 2.1Fcm
-2.
A kind of nickel foam of the present invention is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, comprising:
(1) cobalt nitrate, sodium molybdate, the preparation of second alcohol and water obtain precursor solution;
(2) above-mentioned precursor solution is added in reactor inner bag, stir and evenly mix;
(3) nickel foam is put into the reactor inner bag of step (2), sealing, then carries out hydro-thermal reaction, cooling, washing, dry, obtain the nanostructure electrode material for super capacitor that nickel foam is substrate, heat treatment, obtains the CoMoO of well-crystallized
4nanostructure electrode material for super capacitor.
In described step (1), the mol ratio of cobalt nitrate and sodium molybdate is 1:1.
In described step (1), the volume ratio of second alcohol and water is 10-20:10-30.
In described step (1) in precursor solution, the concentration of cobalt nitrate, cobalt molybdate is 10
-1-10
-5mol/L.
In described step (2), the loading of precursor solution in reactor inner bag is 50-90%.
In described step (3), nickel foam is: the nickel foam after cleaning, and wherein cleaning is for use watery hydrochloric acid, deionized water and alcohol ultrasonic cleaning successively.
Be sealed into reactor inner bag stainless steel cauldron in described step (3) to seal.
In described step (3), hydro-thermal reaction is: be placed in baking oven, and hydro-thermal reaction is carried out in heating, and hydrothermal temperature is 120-200 DEG C, and the time is 2-20h.
In described step (3), washing is for washing 3-5 time with ethanol, deionized water respectively; Drying be 60-80 DEG C dry 2-6 time.
In described step (3), heat treatment is specially: in protective atmosphere, heat treatment 0.5-10h at 350-600 DEG C.
Described protective atmosphere is: in nitrogen or argon gas atmosphere.
The present invention adopts Hydrothermal Synthesis technology, by allocating specific reaction solution, the nickel foam through cleaning is immersed in reaction solution, when not adding surfactant, under the condition of higher temperature, the hydro-thermal reaction short period just can prepare the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.The object of step 1 is that acquisition is suitable for CoMoO
4the reaction solution of self-assembled nano structures growth; Be placed in the object that baking oven processes in step 3 to be to obtain CoMoO
4the hydrothermal condition of nanostructure growth.
The present invention is on the basis without follow-up use low-surface energy substance modified product surface, with common inorganic matter for raw material, ethanol, as structure directing agent, by the experiment parameter such as concentration, time, temperature of reactant in adjusting hydrothermal course of reaction, is that CoMoO is prepared in substrate with nickel foam
4nanostructure electrode material for super capacitor, obtains that large area is evenly distributed, the CoMoO of electrochemical performance
4nanostructure electrode material for super capacitor, and when changing response parameter, can CoMoO be changed
4the size of nano material and pattern.
beneficial effect
(1) preparation method of the present invention is simple to operate, does not need complex device, with low cost;
(2) CoMoO obtained by the present invention
4self-assembled nanometer material area is large, is evenly distributed;
(3) the present invention only needs the shorter time just can obtain the CoMoO of structural integrity, excellent performance
4nano material;
(4) CoMoO obtained by the present invention
4self-assembled nanometer material has excellent chemical property, greatly can expand preparation method and the application of electrochemical capacitor material.
Accompanying drawing explanation
Fig. 1 is the nickel foam prepared in the present invention is the CoMoO of substrate
4the scanning electron microscopic picture of nanostructure electrode material for super capacitor; The CoMoO obtained in (a) embodiment 1
4low power stereoscan photograph, the CoMoO obtained in (b) embodiment 1
4high power stereoscan photograph;
Fig. 2 is the nickel foam prepared in the present invention is the CoMoO of substrate
4the scanning electron microscopic picture of nanostructure electrode material for super capacitor; The CoMoO obtained in (a) embodiment 2
4low power stereoscan photograph, the CoMoO obtained in (b) embodiment 2
4high power stereoscan photograph;
Fig. 3 is the nickel foam prepared in the present invention is the CoMoO of substrate
4the XRD picture of nanostructure electrode material for super capacitor;
Fig. 4 is the nickel foam prepared in the present invention is the CoMoO of substrate
4the electrochemical property test figure of nanostructure electrode material for super capacitor; The CoMoO obtained in (a) embodiment 1
4cyclic voltammetry curve figure, the CoMoO obtained in (b) embodiment 1
4constant current charge-discharge curve chart.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
1mmol cobalt nitrate, 1mmol sodium molybdate, 15ml water and 15ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 180 DEG C reacts 4h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 60 DEG C, dry 2h, and in argon gas atmosphere heat treatment 2h at 450 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
Fig. 1 (a) and (b) are respectively the electron scanning micrograph under its low power and high power, can find out that products obtained therefrom is evenly distributed and CoMoO in substrate
4be self-assembled into flake.As can be seen from XRD spectral line (Fig. 3), the product diffraction maximum after annealing and CoMoO
4standard card diffraction maximum is consistent, illustrates that product has good crystallinity.Fig. 4 is be the CoMoO of substrate by gained nickel foam
4nanostructure electrode material for super capacitor is as work electrode, and Ag/AgCl is reference electrode, and platinized platinum is at 2molL to electrode
-1potassium hydroxide aqueous solution in charging and discharging curve (b) under CV curve (a) under difference sweeps speed that tests and different current density, as can be seen from the figure curve there are obvious redox peak and charge and discharge platform, through calculating at 1mAcm
-2current density under, its area ratio electric capacity can reach 2.1Fcm
-2, illustrative material has excellent chemical property.
Embodiment 2
1mmol cobalt nitrate, 1mmol sodium molybdate, 15ml water and 15ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 180 DEG C reacts 6h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 60 DEG C, dry 2h, and in argon gas atmosphere heat treatment 2h at 450 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
Fig. 2 (a) and (b) are respectively the electron scanning micrograph under its low power and high power, can find out that products obtained therefrom is evenly distributed and CoMoO in substrate
4be self-assembled into four directions bar-shaped.Electrochemical test data shows it at 1mAcm
-2the ratio capacitance value of discharge and recharge under current density is 2.2Fcm
-2.
Embodiment 3
2mmol cobalt nitrate, 2mmol sodium molybdate, 10ml water and 20ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 120 DEG C reacts 10h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 70 DEG C, dry 2h, and in nitrogen atmosphere heat treatment 3h at 450 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
Can find out under scanning electron microscopy that the nanometer sheet be attached in nickel foam is comparatively sparse, but sheet thickness is comparatively large, similar with Fig. 2; Electrochemical test data shows it at 1mAcm
-2the ratio capacitance value of discharge and recharge under current density is 1.5Fcm
-2.
Embodiment 4
0.5mmol cobalt nitrate, 0.5mmol sodium molybdate, 15ml water and 20ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 200 DEG C reacts 2h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 80 DEG C, dry 2h, and in argon gas atmosphere heat treatment 2h at 550 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
The nanometer sheet thinner thickness be attached in nickel foam can be found out under scanning electron microscopy, similar with Fig. 1, and distribution is comparatively sparse; In addition, electrochemical test data shows its chemical property and example 3 is suitable, at 1mAcm
-2the ratio capacitance value of discharge and recharge under current density is 1.6Fcm
-2.
Embodiment 5
3mmol cobalt nitrate, 3mmol sodium molybdate, 20ml water and 20ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 160 DEG C reacts 8h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 70 DEG C, dry 3h, and in argon gas atmosphere heat treatment 4h at 600 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
Can find out under scanning electron microscopy that the nanometer sheet be attached in nickel foam is thick and arrangement is tight, more closely knit than Fig. 2; Electrochemical test data shows it at 1mAcm
-2the ratio capacitance value of discharge and recharge under current density is 1.9Fcm
-2.
Embodiment 6
0.1mmol cobalt nitrate, 0.1mmol sodium molybdate, 10ml water and 30ml ethanol is utilized to be mixed with CoMoO
4precursor solution, loads above-mentioned precursor solution in the reactor inner bag of polytetrafluoroethylmaterial material, stirs 50min and precursor solution is mixed;
After nickel foam is the hydrochloric acid of 1M, deionized water and alcohol ultrasonic cleaning 15min by concentration successively, put into reactor inner bag, then seal with stainless steel cauldron, the baking oven being placed in about 160 DEG C reacts 14h, naturally cool to room temperature after having reacted, collect product and use ethanol, washed with de-ionized water for several times respectively, 60 DEG C, dry 5h, and in nitrogen atmosphere heat treatment 4h at 600 DEG C, obtain the CoMoO that nickel foam is substrate
4nanostructure electrode material for super capacitor.
Comparatively example 5 is larger with arrangement density can to find out the nanometer sheet thickness be attached in nickel foam under scanning electron microscopy; Electrochemical test data shows it at 1mAcm
-2the ratio capacitance value of discharge and recharge under current density is 1.7Fcm
-2.
Claims (10)
1. a nickel foam is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, comprising:
(1) cobalt nitrate, sodium molybdate, the preparation of second alcohol and water obtain precursor solution;
(2) above-mentioned precursor solution is added in reactor inner bag, stir and evenly mix;
(3) nickel foam is put into the reactor inner bag of step (2), sealing, then carries out hydro-thermal reaction, cooling, washing, and dry, heat treatment, to obtain final product.
2. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (1), the mol ratio of cobalt nitrate and sodium molybdate is 1:1; The volume ratio of second alcohol and water is 10-20:10-30.
3. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (1) in precursor solution, the concentration of cobalt nitrate, cobalt molybdate is 10
-1-10
-5mol/L.
4. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (2), the loading of precursor solution in reactor inner bag is 50-90%.
5. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (3), nickel foam is: the nickel foam after cleaning, and wherein cleaning is for use watery hydrochloric acid, deionized water and alcohol ultrasonic cleaning successively.
6. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: be sealed into reactor inner bag stainless steel cauldron in described step (3) and seal.
7. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (3), hydro-thermal reaction is: be placed in baking oven, and hydro-thermal reaction is carried out in heating, and hydrothermal temperature is 120-200 DEG C, and the time is 2-20h.
8. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (3), washing is for washing 3-5 time with ethanol, deionized water respectively; Drying be 60-80 DEG C dry 2-6 time.
9. a kind of nickel foam according to claim 1 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: in described step (3), heat treatment is specially: in protective atmosphere, heat treatment 0.5-10h at 350-600 DEG C.
10. a kind of nickel foam according to claim 9 is the CoMoO of substrate
4the preparation method of nanostructure electrode material for super capacitor, is characterized in that: described protective atmosphere is: in nitrogen or argon gas atmosphere.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449138A (en) * | 2016-09-14 | 2017-02-22 | 中国计量大学 | Carbon-coated cobalt molybdate network nanosheet array material, preparation method and application |
| CN106824198A (en) * | 2017-03-10 | 2017-06-13 | 中国科学技术大学 | Cobalt-based produces VPO catalysts and preparation method thereof and a kind of alkaline hydrogen manufacturing electrolytic cell |
| CN107068420A (en) * | 2017-04-21 | 2017-08-18 | 河南新太行电源股份有限公司 | A kind of preparation method and application of the sour nickel material of core shell structure cobalt molybdate@cobalts |
| CN107195482A (en) * | 2017-05-04 | 2017-09-22 | 华侨大学 | A kind of nanometer rods array composite and its preparation method and application |
| CN107342174A (en) * | 2017-09-12 | 2017-11-10 | 信阳师范学院 | A kind of two-dimensional layer CoMoS4Nanometer sheet is the preparation method of electrode material for super capacitor |
| CN108314092A (en) * | 2017-12-29 | 2018-07-24 | 安泰科技股份有限公司 | A kind of foamed nickel supported nano bar-shape cobalt molybdate and its preparation method and application |
| CN108389733A (en) * | 2018-03-01 | 2018-08-10 | 哈尔滨商业大学 | A kind of preparation method of cobalt molybdate/foam nickel composite film |
| CN108831750A (en) * | 2018-05-24 | 2018-11-16 | 天津大学 | Three-dimensional porous Ni-Co film/CoMoO4The preparation method of composite material |
| CN109647476A (en) * | 2018-11-20 | 2019-04-19 | 天津大学 | A kind of preparation method of metal and the compound HER catalyst of metal oxide |
| CN109935475A (en) * | 2019-03-19 | 2019-06-25 | 河北科技大学 | The synthetic method of cobalt molybdate for electrode material for super capacitor |
| CN110148527A (en) * | 2019-04-30 | 2019-08-20 | 河北科技大学 | Preparation method of cobalt molybdenum sulfide electrode material for super capacitor |
| CN110773210A (en) * | 2019-11-27 | 2020-02-11 | 哈尔滨师范大学 | Self-supporting rod-shaped phosphorus-doped CoMoO 3Oxygen evolution electrocatalyst and preparation method thereof |
| CN112563038A (en) * | 2020-12-08 | 2021-03-26 | 江苏科技大学 | CoMoO4/Ti3C2Nano composite particle and preparation method and application thereof |
| CN113231706A (en) * | 2021-06-25 | 2021-08-10 | 哈尔滨工业大学 | Method for assisting in brazing dissimilar materials by using three-dimensional negative expansion network composite interlayer material |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449138A (en) * | 2016-09-14 | 2017-02-22 | 中国计量大学 | Carbon-coated cobalt molybdate network nanosheet array material, preparation method and application |
| CN106824198A (en) * | 2017-03-10 | 2017-06-13 | 中国科学技术大学 | Cobalt-based produces VPO catalysts and preparation method thereof and a kind of alkaline hydrogen manufacturing electrolytic cell |
| CN107068420A (en) * | 2017-04-21 | 2017-08-18 | 河南新太行电源股份有限公司 | A kind of preparation method and application of the sour nickel material of core shell structure cobalt molybdate@cobalts |
| CN107195482A (en) * | 2017-05-04 | 2017-09-22 | 华侨大学 | A kind of nanometer rods array composite and its preparation method and application |
| CN107342174A (en) * | 2017-09-12 | 2017-11-10 | 信阳师范学院 | A kind of two-dimensional layer CoMoS4Nanometer sheet is the preparation method of electrode material for super capacitor |
| CN108314092A (en) * | 2017-12-29 | 2018-07-24 | 安泰科技股份有限公司 | A kind of foamed nickel supported nano bar-shape cobalt molybdate and its preparation method and application |
| CN108389733A (en) * | 2018-03-01 | 2018-08-10 | 哈尔滨商业大学 | A kind of preparation method of cobalt molybdate/foam nickel composite film |
| CN108831750A (en) * | 2018-05-24 | 2018-11-16 | 天津大学 | Three-dimensional porous Ni-Co film/CoMoO4The preparation method of composite material |
| CN109647476A (en) * | 2018-11-20 | 2019-04-19 | 天津大学 | A kind of preparation method of metal and the compound HER catalyst of metal oxide |
| CN109935475A (en) * | 2019-03-19 | 2019-06-25 | 河北科技大学 | The synthetic method of cobalt molybdate for electrode material for super capacitor |
| CN110148527A (en) * | 2019-04-30 | 2019-08-20 | 河北科技大学 | Preparation method of cobalt molybdenum sulfide electrode material for super capacitor |
| CN110148527B (en) * | 2019-04-30 | 2022-05-13 | 河北科技大学 | Preparation method of cobalt molybdenum sulfide electrode material for super capacitor |
| CN110773210A (en) * | 2019-11-27 | 2020-02-11 | 哈尔滨师范大学 | Self-supporting rod-shaped phosphorus-doped CoMoO 3Oxygen evolution electrocatalyst and preparation method thereof |
| CN110773210B (en) * | 2019-11-27 | 2022-06-17 | 哈尔滨师范大学 | Self-supporting rod-shaped phosphorus-doped CoMoO3Oxygen evolution electrocatalyst and preparation method thereof |
| CN112563038A (en) * | 2020-12-08 | 2021-03-26 | 江苏科技大学 | CoMoO4/Ti3C2Nano composite particle and preparation method and application thereof |
| CN113231706A (en) * | 2021-06-25 | 2021-08-10 | 哈尔滨工业大学 | Method for assisting in brazing dissimilar materials by using three-dimensional negative expansion network composite interlayer material |
| CN113231706B (en) * | 2021-06-25 | 2022-05-03 | 哈尔滨工业大学 | Method for assisting in brazing dissimilar materials by using three-dimensional negative expansion network composite interlayer material |
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Application publication date: 20160330 |