CN110449157A - The preparation method and its electrolysis water Hydrogen Evolution Performance of the spherical carbon-coating nickel of different carbon-coatings - Google Patents
The preparation method and its electrolysis water Hydrogen Evolution Performance of the spherical carbon-coating nickel of different carbon-coatings Download PDFInfo
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- CN110449157A CN110449157A CN201910778527.XA CN201910778527A CN110449157A CN 110449157 A CN110449157 A CN 110449157A CN 201910778527 A CN201910778527 A CN 201910778527A CN 110449157 A CN110449157 A CN 110449157A
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 239000011248 coating agent Substances 0.000 title claims abstract description 62
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000001257 hydrogen Substances 0.000 title claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000004471 Glycine Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010907 mechanical stirring Methods 0.000 claims abstract description 3
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 230000005291 magnetic effect Effects 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229920000557 Nafion® Polymers 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 229960000935 dehydrated alcohol Drugs 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract description 2
- 150000003624 transition metals Chemical class 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 229960004756 ethanol Drugs 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- -1 metal complex chemical compounds Chemical class 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B01J35/33—
-
- B01J35/61—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The present invention relates to the technical fields of transition metal carbide preparation, more particularly to the preparation method and its electrolysis water Hydrogen Evolution Performance of a kind of spherical carbon-coating nickel of different carbon-coatings, the following steps are included: (1) uses mechanical stirring, by Nickelous nitrate hexahydrate, glycine is dispersed in dehydrated alcohol；(2) above-mentioned mixing liquid is transferred to reaction kettle, is reacted 12 hours at 180 DEG C, obtains the presoma of carbon-coating nickel；(3) roasting can respectively obtain spherical carbon coating nickel composite material in nitrogen under the conditions of certain temperature.This method raw material is cheap and easy to get, facilitates synthesis, and equipment is simple, and production process is pollution-free, can fast implement large-scale production, which has more active site, has preferable electrolysis water Hydrogen Evolution Performance.
Description
Technical field
The present invention relates to the technical fields of transition metal carbide preparation, more particularly to a kind of Spherical Carbon of different carbon-coatings
Coat the preparation method and its electrolysis water Hydrogen Evolution Performance of nickel.
Background technique
With the increasingly exacerbation of the environmental problems such as the atmosphere pollution of Fossil fuel consumption bring, greenhouse effects and haze
(Climatic Change, 2014,123 (3-4): 413-426), development cleaning, pollution-free, reproducible new energy gradually by
People pay attention to, and Hydrogen Energy is due to possessing higher combustion heat value, rich reserves and being easy to get, with reproducibility and combustion product
It is green non-poisonous, it is easily stored and be readily transported, therefore be considered as optimal energy carrier in future source of energy pattern.Electro-catalysis
Decomposing water is the important way (Nanoscale, 2014,6 (21): 12490-12499) for realizing industrialization hydrogen manufacturing, electrocatalytic decomposition
Water technology currently has the (International such as the predominant precious metal simple substance Pt of lower overpotential for oxygen evolution catalytic activity
Journal of Hydrogen Energy, 1978,3 (1): 21-37).But such material belongs to precious metal material, and reserves are not
Foot, and price too expensive, therefore significantly limit it and be widely applied in the industrial production.Therefore, preparation is urged with height
Change activity, the non-precious metal catalyst of low cost is always the pursuit of researcher.Wherein, nickel is due to the rich content in the earth's crust,
And there is good catalytic activity, be one of two kinds of elements that current preparation electrolysis water catalyst generally uses, it is considered to be
It is most possible to replace noble metal as one of the material for constructing novel electro-catalytic agent.Under theoretical case, elemental nickel is due to excellent
Different metallicity and electric conductivity should have best electro catalytic activity, but since elemental nickel is extremely unstable under air environment,
It is easily oxidized, reduces catalytic activity.Therefore, some cheap base metal electrolysis water catalyst developed in recent years are by extensive
Concern, such as sulfate, selenides, phosphide and other base metal complex chemical compounds.However, preparing the side of these materials
Method generally comprises the process of complicated synthesis and purifying, and not only process is cumbersome and time-consuming, is unfavorable for the popularization of extensive industrialization,
However solvent-thermal method and solid reaction process are easy to operate, and are easily achieved large-scale production, strict control synthesizes item in synthesis
Corresponding carbon-coating nickel complex carbon material can be obtained in part parameter.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of products to have magnetic property, and density is low, ratio
The spherical carbon-coating nickel of the different carbon-coatings for the features such as surface area is big；
It is another object of the present invention to provide a kind of different carbon-coatings of safety with higher in the synthesis process
Spherical carbon-coating nickel preparation method.
The preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention, comprising the following steps:
(1) it prepares mixed solution: sequentially adding glycine and six hydration nitre into the ethanol solution of 20ml~25ml
Sour nickel, and magnetic agitation 2h is carried out, supernatant is obtained after standing several minutes；
(2) it prepares spherical carbon-coating nickel presoma: the reaction system of the obtained supernatant of step (1) is transferred to poly- four
In vinyl fluoride high temperature and high pressure kettle, uniform mixed solution, and the confined reaction 12h at 180 DEG C are formed by mechanical stirring, is obtained
Green precipitate object, as spherical carbon-coating nickel presoma；
(3) it prepares the spherical carbon-coating nickel of different carbon-coatings: green precipitate object obtained in step (2) is washed into drying, and
3h is calcined in nitrogen atmosphere at a certain temperature, obtains spherical carbon-coating nickel.
The preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention, when the carbon-coating of the spherical carbon-coating nickel of preparation is
At 1~4 layer, the molar concentration of glycine used in the step (1) is 0.15mol/L, and Nickelous nitrate hexahydrate mole is dense
Degree is 0.225mol/L.
The preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention, when the carbon-coating of the spherical carbon-coating nickel of preparation is
At 5~8 layers, the molar concentration of glycine used in the step (1) is 0.167mol/L, and Nickelous nitrate hexahydrate mole is dense
Degree is 0.267mol/L.
The preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention, the post-processing in the step (2) is, to cold
But ethyl alcohol filtering and washing is used afterwards, and is dried to obtain green powder at 60 DEG C.
The preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention, the calcination temperature in the step (3) are 500
DEG C, rise 5 DEG C per minute.
Spherical carbon-coating nickel prepared by the preparation method of the spherical carbon-coating nickel of different carbon-coatings of the invention weighs
The spherical carbon-coating nickel of 2.5mg, moves it in the centrifuge tube of 10ml, be added the isopropanol of 0.8ml, the deionized water of 0.8ml and
The Nafion solution of 14 μ l takes the mixed solution electrode of 9.6 μ l after ultrasonic 30min, and dry 12h, goes forward side by side in 95 DEG C of baking oven
The test of row electrolysis water liberation of hydrogen.
Spherical carbon-coating nickel prepared by the present invention can carry out ultrasonic disperse in ethanol, then using scanning electron microscope or
The means such as transmission electron microscope observe the structure and pattern of nanowires, and the diameter for measuring the carbon-coating nickel synthesized is about 10nm.
Compared with the prior art the invention has the following advantages that
(1) present invention uses hydrothermal synthesis technology, has experimental technique relatively easy, and easy to operate, equipment requirement is simple,
Production cost can largely be reduced；
(2) present invention has harm to the human body small, reduces the pollution to environment using glycine as carbon source；
(3) the spherical carbon-coating nickel ball particle diameter distribution that the present invention is prepared is uniform, is readily synthesized, can be widely applied for
The fields such as magnetics, bio-pharmaceuticals, machinery, electronics, optics.
Detailed description of the invention
Fig. 1 is the scanning electron microscopic picture of the spherical carbon-coating nickel of 1~4 layer of carbon prepared by the present invention；
Fig. 2 is the scanning electron microscopic picture of the spherical carbon-coating nickel of 5~8 layers of carbon prepared by the present invention；
Fig. 3 is the transmission electron microscope picture of the spherical carbon-coating nickel of 1~4 layer of carbon prepared by the present invention；
Fig. 4 is the transmission electron microscope picture of the spherical carbon-coating nickel of 5~8 layers of carbon prepared by the present invention；
Fig. 5 is the electrolysis water Hydrogen Evolution Performance of the spherical carbon-coating nickel of 1~4 (i) prepared by the present invention and 5~8 (ii) layer carbon
(figure a is liberation of hydrogen polarization curve, and figure b is Tafel slope, and figure c is electrochemical surface area, and figure d is impedance).
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
The preparation of the spherical carbon-coating nickel of embodiment 1:1~4 layer carbon
0.225g (0.15mol/L) glycine is weighed to be equipped with the addition of 1.073g (0.225mol/L) Nickelous nitrate hexahydrate
In the beaker of 20mL dehydrated alcohol, its supernatant is transferred in polytetrafluoroethylene (PTFE) high temperature and high pressure kettle by magnetic agitation 2h, reaction
After 180 DEG C/12h, to be cooled to use ethyl alcohol filtering and washing, 60 DEG C are dried to obtain green powder.It is calcined in a nitrogen atmosphere with 450 DEG C
3h rises 5 DEG C per minute.
The preparation of the spherical carbon-coating nickel of embodiment 2:5~8 layer carbon
0.255g (0.167mol/L) glycine is weighed to be equipped with the addition of 1.274g (0.267mol/L) Nickelous nitrate hexahydrate
In the beaker of 25mL dehydrated alcohol, magnetic agitation 2h is fully transferred in polytetrafluoroethylene (PTFE) high temperature and high pressure kettle, reaction 180
DEG C/12h after, it is to be cooled use ethyl alcohol filtering and washing, 60 DEG C are dried to obtain green powder.3h is calcined in a nitrogen atmosphere with 500 DEG C,
Rise 5 DEG C per minute.
The scanning electron microscopic picture for the spherical carbon-coating nickel that above embodiments 1 and 2 synthesize and transmission electron microscope picture such as Fig. 1~4
It is shown and uniform according to the diameter of picture nanosphere, it is 2 μm or so, single carbon-coating nickel is 10nm or so.
And to the spherical carbon-coating nickel that above embodiments 1 and 2 synthesize, the spherical carbon-coating nickel of 2.5mg is weighed, is moved it to
In the centrifuge tube of 10ml, the Nafion solution of the isopropanol of 0.8ml, the deionized water of 0.8ml and 14 μ l, ultrasonic 30min is added
The mixed solution electrode for taking 9.6 μ l afterwards, the dry 12h in 95 DEG C of baking oven, and electrolysis water liberation of hydrogen test is carried out, it is electrolysed elutriation
For hydrogen performance as shown in figure 5, the overpotential of hydrogen evolution of the spherical carbon-coating nickel of 1~4 layer of carbon is 62mV, tafel slope is 119mV/
Dec, electrochemical surface area are -23.8mF/cm-2；The spherical carbon-coating nickel overpotential of hydrogen evolution of 5~8 layers of carbon is 156mV, tafel
Slope is 159mV/dec, and electrochemical surface area is -14.4mF/cm-2。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of preparation method of the spherical carbon-coating nickel of difference carbon-coating, which comprises the following steps:
(1) it prepares mixed solution: sequentially adding glycine and Nickelous nitrate hexahydrate into the ethanol solution of 20ml~25ml,
And magnetic agitation 2h is carried out, supernatant is obtained after standing several minutes；
(2) it prepares spherical carbon-coating nickel presoma: the reaction system of the obtained supernatant of step (1) is transferred to polytetrafluoroethyl-ne
In alkene high temperature and high pressure kettle, uniform mixed solution, and the confined reaction 12h at 180 DEG C are formed by mechanical stirring, and after warp
Processing obtains green precipitate object, as spherical carbon-coating nickel presoma；
(3) it prepares the spherical carbon-coating nickel of different carbon-coatings: green precipitate object obtained in step (2) being washed into drying, and one
3h is calcined at a temperature of fixed in nitrogen atmosphere, obtains spherical carbon-coating nickel.
2. the preparation method of the spherical carbon-coating nickel of difference carbon-coating as described in claim 1, which is characterized in that when the ball of preparation
When the carbon-coating of shape carbon-coating nickel is 1~4 layer, the molar concentration of glycine used in the step (1) is 0.15mol/L,
Nickelous nitrate hexahydrate molar concentration is 0.225mol/L.
3. the preparation method of the spherical carbon-coating nickel of difference carbon-coating as described in claim 1, which is characterized in that when the ball of preparation
When the carbon-coating of shape carbon-coating nickel is 5~8 layers, the molar concentration of glycine used in the step (1) is 0.167mol/L,
Nickelous nitrate hexahydrate molar concentration is 0.267mol/L.
4. the preparation method of the spherical carbon-coating nickel of difference carbon-coating as described in claim 1, which is characterized in that the step
(2) post-processing in is to use ethyl alcohol filtering and washing after cooling, and be dried to obtain green powder at 60 DEG C.
5. the preparation method of the spherical carbon-coating nickel of difference carbon-coating as described in claim 1, which is characterized in that the step
(3) calcination temperature in is 500 DEG C, rises 5 DEG C per minute.
6. spherical carbon coating prepared by the preparation method of the spherical carbon-coating nickel of difference carbon-coating as described in claim 1
Nickel, which is characterized in that weigh the spherical carbon-coating nickel of 2.5mg, move it in the centrifuge tube of 10ml, be added 0.8ml isopropanol,
The Nafion solution of the deionized water of 0.8ml and 14 μ l takes the mixed solution electrode of 9.6 μ l after ultrasonic 30min, in 95 DEG C of baking
Dry 12h in case, and carry out electrolysis water liberation of hydrogen test.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036269A (en) * | 2019-12-20 | 2020-04-21 | 佛山科学技术学院 | Composite photocatalyst and preparation method thereof |
| CN112853370A (en) * | 2020-12-10 | 2021-05-28 | 杭州师范大学 | Ni/C core-shell structure nano material electrocatalyst and preparation method thereof |
| CN114917907A (en) * | 2022-04-19 | 2022-08-19 | 大连理工大学 | Supported non-noble metal catalyst with high catalytic hydrogenation activity, preparation method and application thereof |
-
2019
- 2019-08-22 CN CN201910778527.XA patent/CN110449157A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| WEI MA ET AL.: ""Hierarchical Nickel Clusters Encapsulated in Ultrathin N-doped Graphitic Nanocarbon Hybrids for Effective Hydrogen Evolution Reaction"", 《ACS SUSTAINABLE CHEMISTRY&ENGINEERING》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036269A (en) * | 2019-12-20 | 2020-04-21 | 佛山科学技术学院 | Composite photocatalyst and preparation method thereof |
| CN111036269B (en) * | 2019-12-20 | 2023-01-24 | 佛山科学技术学院 | Composite photocatalyst and preparation method thereof |
| CN112853370A (en) * | 2020-12-10 | 2021-05-28 | 杭州师范大学 | Ni/C core-shell structure nano material electrocatalyst and preparation method thereof |
| CN112853370B (en) * | 2020-12-10 | 2022-04-19 | 杭州师范大学 | Ni/C core-shell structure nano material electrocatalyst and preparation method thereof |
| CN114917907A (en) * | 2022-04-19 | 2022-08-19 | 大连理工大学 | Supported non-noble metal catalyst with high catalytic hydrogenation activity, preparation method and application thereof |
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