CN108658053A - A kind of open structure CoP two-dimensional nano piece preparation methods - Google Patents
A kind of open structure CoP two-dimensional nano piece preparation methods Download PDFInfo
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- CN108658053A CN108658053A CN201810691792.XA CN201810691792A CN108658053A CN 108658053 A CN108658053 A CN 108658053A CN 201810691792 A CN201810691792 A CN 201810691792A CN 108658053 A CN108658053 A CN 108658053A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/08—Other phosphides
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- 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
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- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
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- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
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Abstract
The invention discloses a kind of open structure CoP two-dimensional nano piece preparation methods; the preparation method is that one end of porcelain boat is placed in using cobalt hydroxide nanometer sheet as predecessor; the other end of porcelain boat is placed in sodium metaphosphate; porcelain boat is placed in later in the heating furnace of inert gas shielding and heats reaction; wherein; one end equipped with sodium metaphosphate obtains the CoP two-dimensional nano pieces of open structure against heating furnace gas outlet after product washing, being collected by centrifugation and drying.The present invention uses high-temperature calcination, and preparation process is simple, easily repeats.The CoP two-dimensional nano pieces have big application potential in fields such as capacitor, battery and electro-catalysis.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of open structure CoP two-dimensional nano piece preparation methods.
Background technology
Cobalt hydroxide has unique layer structure, excellent chemical property, low cost and free of contamination characteristic, super
The electrocatalytic oxidation field of grade capacitor and water is a kind of very competitive electrode material.But as elctro-catalyst, hydrogen-oxygen
The electric conductivity for changing cobalt is poor, and overpotential is larger, and application is limited extensively.
Nearest phosphate cpd and phosphide are widely used in electrocatalytic oxidation water field as catalyst.Two-dimensional layer
P is loaded in duplex metal hydroxide nanometer piece can not only improve the electric conductivity of material, can also increase active area.Bimetallic
Hydroxide is as H2Receiver, P receive center as proton.P plays synergistic effect with bimetallic compound, so can
Improve reactivity.How the two-dimensional nano that electro catalytic activity is high and crystal structure is stablized prepared by simple and practicable method
Piece is our technical problems in the urgent need to address.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of dredge
Loose structure CoP two-dimensional nano piece preparation methods, it is therefore an objective to which the two-dimensional nano piece haveing excellent performance is made by simple and practicable method.
To achieve the goals above, the technical solution that the present invention takes is：
A kind of open structure CoP two-dimensional nano piece preparation methods, the preparation method be using cobalt hydroxide nanometer sheet as
Predecessor is placed in one end of porcelain boat, and the other end of porcelain boat is placed in sodium metaphosphate, porcelain boat is placed in inert gas shielding later
Reaction is heated in heating furnace, wherein one end equipped with sodium metaphosphate is washed against heating furnace gas outlet then in turn through product
After washing, be collected by centrifugation and drying, the CoP two-dimensional nano pieces of open structure are obtained.
Preferably, the predecessor is to be prepared with the following method：
The preparation method of the predecessor is that ammonium hydroxide is added in the mixed solution of cobalt acetate and aluminium chloride to be stirred to react, it
Afterwards by obtained sediment successively through pyroreaction, centrifugation, washing and it is dry after, Co (OH) is made2Before two-dimensional nano piece
Drive object；The reaction temperature of the pyroreaction is 110-130 DEG C.
Preferably, the molar ratio of the cobalt acetate and liquor alumini chloridi is 1-4:1, preferred molar ratio is 2:1.Using
This proportioning, the predecessor nanometer sheet pattern of preparation is uniform, and crystal structure is stablized.
Preferably, the volume of aqueous solvent and the volume ratio of ammonium hydroxide are 5- in the mixed solution of the cobalt acetate and aluminium chloride
15:1.It is furthermore preferred that volume ratio is 10:1.Using this proportioning, generation precipitation can be fully reacted.Cobalt acetate and aluminium chloride it is mixed
It is that cobalt acetate and aluminium chloride are dissolved in distilled water, and is obtained after stirring evenly to close solution；The addition ammonium hydroxide is stirred to react
It is magnetic agitation 0.5-1h in the mixed solution after ammonium hydroxide to be added to mixing by the way of ammonium hydroxide is added while stirring.It is preferred that
, the stirring uses magnetic agitation.Convenient for being uniformly dispersed.
The pyroreaction is carried out in the stainless steel autoclave of polytetrafluoroethyllining lining.Convenient for pyroreaction
Progress.And being mixed into for impurity element will not be led in reaction process.
The washing is to use distilled water and ethyl alcohol to be washed successively.
Described dry using oven drying, dry temperature is 60-80 DEG C, time 8-24h.
A length of 100-150nm of the cobalt hydroxide two-dimensional nano piece, thickness 2-5nm.
Preferably, the mass ratio 5-25 of the sodium metaphosphate and predecessor:1.It is furthermore preferred that mass ratio is 20:1.Ensure
Just the reaction was complete for predecessor.
Preferably, heating furnace preferably uses tube furnace, porcelain boat to use corundum porcelain boat.Inert gas uses N2.The heating
Reaction is in N2It is carried out in tube furnace under protection, rises to 300-350 DEG C with the heating rate of 2 DEG C/min, keep 2h.
The product washing is to use distilled water and ethyl alcohol to be washed successively, described dry using oven drying, dry
Temperature be 60-80 DEG C, time 8-24h.
A length of 100-150nm of the CoP two-dimensional nano pieces, thickness 3-7nm.
Beneficial effects of the present invention：
1) high-temperature calcination, preparation process is simple, easily repeats.
2) CoP, a length of 100-150nm of the open structure CoP two-dimensional nano pieces of preparation can be obtained in preparation method of the present invention,
Thickness is 3-7nm.
3) with phosphatization before predecessor (Co (OH)2) compare, open structure CoP two-dimensional nano pieces have better electro-catalysis
Performance.It can be calculated Co (OH)2With CoP current density be 10mAcm2Overpotential be respectively 328mV and 483mV, tower is luxuriant and rich with fragrance
Your slope is respectively 109.72 and 274.67dec-1。
4) open structure CoP two-dimensional nano pieces have big application potential in fields such as capacitor, battery and electro-catalysis.
Description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the (Co (OH) of predecessor in embodiment 12) product and open structure CoP two-dimensional nano flake products XRD
Figure；
Fig. 2 is SEM figures；Wherein a is the (Co (OH) of predecessor in embodiment 12) product SEM figure；B is dredged in embodiment 1
The SEM of the CoP two-dimensional nano flake products of loose structure schemes；
Fig. 3 is SEM figures；Wherein a is the (Co (OH) of predecessor in embodiment 22) product SEM figure；B is dredged in embodiment 2
The SEM of the CoP two-dimensional nano flake products of loose structure schemes；
Fig. 4 is SEM figures；Wherein a is the (Co (OH) of predecessor in embodiment 32) product SEM figure；B is dredged in embodiment 3
The SEM of the CoP two-dimensional nano flake products of loose structure schemes；
Fig. 5 is Co (OH)2The figure compared with the linear volt-ampere performance of CoP；
Fig. 6 is Co (OH)2The figure compared with the Tafel slopes of CoP；
Fig. 7 is Co (OH)2Scheme with the mass activity and TOF of CoP；
Fig. 8 is Co (OH)2With the impedance comparison figure of CoP.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution
Solution, and contribute to its implementation.
The present invention relates to a kind of open structure CoP two-dimensional nano piece preparation methods, which received with cobalt hydroxide
Rice piece is placed in one end of porcelain boat as predecessor, and the other end of porcelain boat is placed in sodium metaphosphate, porcelain boat is placed in indifferent gas later
Heat reaction in the heating furnace of body protection, wherein one end equipped with sodium metaphosphate against heating furnace gas outlet, then in turn through
Product washing after being collected by centrifugation and drying, obtains the CoP two-dimensional nano pieces of open structure.The ratio 5- of sodium metaphosphate and predecessor
25:1.Heating furnace preferably uses tube furnace, porcelain boat to use corundum porcelain boat.Inert gas uses N2, heating reaction is in N2Under protection
Tube furnace in carry out, rise to 300-350 DEG C with the heating rate of 2 DEG C/min, keep 2h.Product washing is successively using distillation
Water and ethyl alcohol are washed, and described dry using oven drying, dry temperature is 60-80 DEG C, time 8-24h.
Above-mentioned predecessor is preferably to be prepared with the following method：
The preparation method of predecessor is that ammonium hydroxide is added in the mixed solution of cobalt acetate and aluminium chloride to be stirred to react, and later will
After pyroreaction, centrifugation, washing and drying, Co (OH) is made successively in obtained sediment2Two-dimensional nano piece predecessor；
The reaction temperature of the pyroreaction is 110-130 DEG C.The molar ratio of cobalt acetate and liquor alumini chloridi is 1-4:1.Cobalt acetate with
The volume of aqueous solvent and the volume ratio of ammonium hydroxide are 5-15 in the mixed solution of aluminium chloride:1.The mixed solution of cobalt acetate and aluminium chloride
It is that cobalt acetate and aluminium chloride are dissolved in distilled water, and is obtained after stirring evenly；Ammonium hydroxide, which is added, and is stirred to react is stirred using side
Mix side be added ammonium hydroxide mode by ammonium hydroxide be added mixing after mixed solution in magnetic agitation 0.5-1h.Pyroreaction is poly- four
It is carried out in the stainless steel autoclave of vinyl fluoride liner.Convenient for the progress of pyroreaction.And it will not be led in reaction process
Cause being mixed into for impurity element.Washing is to use distilled water and ethyl alcohol to be washed successively.It is dry to use oven drying, dry temperature
Degree is 60-80 DEG C, time 8-24h.It is thick using a length of 100-150nm of cobalt hydroxide two-dimensional nano piece made from the method
Degree is 2-5nm.The predecessor prepared using the method is applied to the CoP two dimensions for the open structure that above-mentioned preparation method is prepared
Nanometer sheet, crystal structure are more stablized, and open structure CoP two-dimensional nano pieces have better electrocatalysis characteristic.
It is described in detail below by preferred embodiment：
Embodiment 1
A kind of preparation method of the CoP two-dimensional nano pieces of open structure, includes the following steps：
(1) predecessor (Co (OH)2) preparation
1) 1mmol cobalt acetates and 0.5mmol aluminium chloride are added in 10mL deionized waters, uniform stirring, back stir
The ammonium hydroxide for mixing side addition 1mL is precipitated using magnetic agitation 0.5h.
2) precipitation is poured into the stainless steel autoclave of polytetrafluoroethyllining lining, is warming up to 120 DEG C, react 2h, instead
Postcooling is answered；
3) reaction product is centrifuged, obtains solid powder, then washed successively with distilled water, ethyl alcohol, then 60
Drying for 24 hours, obtains predecessor (Co (OH) at a temperature of DEG C2) two-dimensional nano piece.
(2) preparation of the CoP two-dimensional nano pieces of open structure
1) 0.05g Co (OH) are weighed2It is placed in one end of corundum porcelain boat, then weighs the sodium metaphosphate of 0.6g and is placed in Corundum Ceramics
The other end of boat.Porcelain boat is placed on N2The tube furnace Program of protection heats up, 2 DEG C/min, is heated to 320 DEG C of heat preservation 2h and (is equipped with
One end of sodium metaphosphate is against gas outlet), react postcooling；
2) reaction product is washed with distilled water, ethyl alcohol successively, is collected by centrifugation, then drying for 24 hours, obtains at a temperature of 60 DEG C
To the CoP two-dimensional nano pieces of open structure.
Using X-ray optical diffraction (XRD) and field emission scanning electron microscope (FE-SEM) to predecessor (Co obtained
(OH)2) and the CoP two-dimensional nano flake products of open structure analyzed.
As shown in Figure 1, from predecessor (Co (OH)2) product XRD diagram in it can be seen that all diffraction maximum all with standard
Stratiform α-Co (OH)2(card number：PDF#46-0605 crystal spectrogram) is corresponding.The angle of diffraction (2 θ) respectively 11.543,
Peak at 23.205 and 34.466 ° corresponds to (003), (006) and (102) crystal face respectively.From bis- wieners of CoP of open structure
In the XRD diagram of rice flake products it can be seen that all diffraction maximum all with the CoP (card numbers of standard：PDF#65-1474 crystal)
Spectrogram is corresponding.The angle of diffraction (2 θ) peak at 31.60,35.33,48.41,56.01 and 59.90 ° respectively, corresponds to respectively
(011), (200), (211), (020) and (113) crystal face.The result shows that the present embodiment product is CoP.
As shown in Fig. 2, a is the (Co (OH) of predecessor in embodiment 12) product SEM figures, as can be seen from the figure predecessor
(Co(OH)2) nanometer sheet is about 100-150nm, thickness about 2-5nm.B is bis- wieners of CoP of open structure in embodiment 1
The SEM figures of rice flake products, as can be seen from the figure the CoP two-dimensional nano pieces of open structure be about 100-150nm, thickness about 3-
7nm。
Embodiment 2
A kind of preparation method of the CoP two-dimensional nano pieces of open structure, includes the following steps：
(1) predecessor (Co (OH)2) preparation
1) 1mmol cobalt acetates and 0.5mmol aluminium chloride are added in 10mL deionized waters, uniform stirring, back stir
The ammonium hydroxide for mixing side addition 1.25mL is precipitated using magnetic agitation 0.5h.
2) precipitation is poured into the stainless steel autoclave of polytetrafluoroethyllining lining, is warming up to 120 DEG C, react 8h, instead
Postcooling is answered；
3) reaction product is centrifuged, obtains solid powder, then washed successively with distilled water, ethyl alcohol, then 60
Drying for 24 hours, obtains predecessor (Co (OH) at a temperature of DEG C2) two-dimensional nano piece.
(2) preparation of the CoP two-dimensional nano pieces of open structure
1) 0.05g Co (OH) are weighed2It is placed in one end of corundum porcelain boat, then weighs the sodium metaphosphate of 1g and is placed in corundum porcelain boat
The other end.Porcelain boat is placed on N2The tube furnace Program of protection heats up, 2 DEG C/min, is heated to 320 DEG C of heat preservation 2h (equipped with inclined
One end of sodium phosphate is against gas outlet), react postcooling；
2) reaction product is washed with distilled water, ethyl alcohol successively, is collected by centrifugation, then drying for 24 hours, obtains at a temperature of 60 DEG C
To the CoP two-dimensional nano pieces of open structure.
Using field emission scanning electron microscope (FE-SEM) to predecessor obtained (Co (OH)2) and open structure
CoP two-dimensional nano flake products are analyzed.
As shown in figure 3, a is the (Co (OH) of predecessor in embodiment 22) product SEM figures, as can be seen from the figure predecessor
(Co(OH)2) nanometer sheet is about 200-300nm, thickness about 5-10nm.B is bis- wieners of CoP of open structure in embodiment 2
The SEM figures of rice flake products, as can be seen from the figure the CoP two-dimensional nano pieces of open structure be about 200-300nm, thickness 6-
12nm。
Embodiment 3
A kind of preparation method of the CoP two-dimensional nano pieces of open structure, includes the following steps：
(1) predecessor (Co (OH)2) preparation
1) 1mmol cobalt acetates and 0.5mmol aluminium chloride are added in 10mL deionized waters, uniform stirring, back stir
The ammonium hydroxide for mixing side addition 0.86mL is precipitated using magnetic agitation 0.5h.
2) precipitation is poured into the stainless steel autoclave of polytetrafluoroethyllining lining, is warming up to 120 DEG C, react 4h, instead
Postcooling is answered；
3) reaction product is centrifuged, obtains solid powder, then washed successively with distilled water, ethyl alcohol, then 60
Drying for 24 hours, obtains predecessor (Co (OH) at a temperature of DEG C2) two-dimensional nano piece.
(2) preparation of the CoP two-dimensional nano pieces of open structure
1) 0.05g Co (OH) are weighed2It is placed in one end of corundum porcelain boat, then weighs the sodium metaphosphate of 0.5g and is placed in Corundum Ceramics
The other end of boat.Porcelain boat is placed on N2The tube furnace Program of protection heats up, 2 DEG C/min, is heated to 320 DEG C of heat preservation 2h and (is equipped with
One end of sodium metaphosphate is against gas outlet), react postcooling；
2) reaction product is washed with distilled water, ethyl alcohol successively, is collected by centrifugation, then drying for 24 hours, obtains at a temperature of 60 DEG C
To the CoP two-dimensional nano pieces of open structure.
Using field emission scanning electron microscope (FE-SEM) to predecessor obtained (Co (OH)2) and open structure
CoP two-dimensional nano flake products are analyzed.
As shown in figure 4, a is the (Co (OH) of predecessor in embodiment 32) product SEM figures, as can be seen from the figure predecessor
(Co(OH)2) nanometer sheet is about 150-250nm, thickness about 3-7nm.B is bis- wieners of CoP of open structure in embodiment 3
The SEM figures of rice flake products, as can be seen from the figure the CoP two-dimensional nano pieces of open structure be about Xnm, thickness 5-10nm.
Embodiment 4
Predecessor (the Co (OH) prepared with embodiment 12) nanometer sheet and open structure CoP two-dimensional nanos built-in testing thirdly
Electrode electrocatalysis characteristic.Specially：The Co (OH) of 4mg is weighed respectively2And CoP, the deionized water and 0.5mL of 1.5mL is added
Ethyl alcohol adds the Nafion conducting resinls of 45uL after ultrasound about 1h.15uL solution is pipetted to drop on pretreated glass-carbon electrode,
It is placed in 60 DEG C of baking oven dry.After drying electrochemical property test is carried out using using electrochemical workstation (CHI660E).It surveys
Examination is using the KOH of 1mol/L as electrolyte, and the Ag/AgCl electrodes of saturation are reference electrode, and platinum electrode is three electricity to electrode
It is carried out in the test system of pole.Test result shows：The electro catalytic activity of the CoP two-dimensional nano pieces of open structure is higher.
Fig. 5 is the predecessor (Co (OH) prepared with embodiment 12) the CoP two-dimensional nano pieces of nanometer sheet and open structure survey
Examination is thirdly electrode electrocatalysis characteristic figure.Fig. 5 is Co (OH)2The figure compared with the linear volt-ampere performance of CoP.As can be seen from the figure Co
(OH)2Starting voltage with CoP is respectively 1.4 and 1.51V, but is 10mAcm in current density2When starting voltage point
Not Wei 1.558V and 1.713V, be respectively 328mV and 483mV by can be calculated the overpotential under this current density.Fig. 6 is Co
(OH)2With the Tafel slope figure of CoP.The Tafel slope of CoP is 109.72dec-1, it is less than Co (OH)2Tafel slope
274.67dec-1.Fig. 7 is Co (OH)2Scheme with the mass activity figure and TOF of CoP.It is 10mAcm in current density2When, CoP's
Mass activity and TOF values are respectively 38.91A/g and 0.0094s-1, Co (OH)2Mass activity and TOF values be respectively 20.63A/
G and 0.005s-1.Fig. 8 is Co (OH)2With the impedance contrast figure of CoP.As can be seen from the figure Co (OH)2Impedance diagram it is almost complete
The impedance diagram of CoP is wrapped entirely.Illustrate Co (OH)2Impedance be more than CoP impedance.So Co (OH)2Nanometer sheet loads P
After, the performance of electrocatalytic oxidation water has prodigious improvement.
The present invention is exemplarily described above in association with attached drawing.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. a kind of open structure CoP two-dimensional nano piece preparation methods, which is characterized in that the preparation method is received with cobalt hydroxide
Rice piece is placed in one end of porcelain boat as predecessor, and the other end of porcelain boat is placed in sodium metaphosphate, porcelain boat is placed in indifferent gas later
Heat reaction in the heating furnace of body protection, wherein one end equipped with sodium metaphosphate against heating furnace gas outlet, then in turn through
Product washing after being collected by centrifugation and drying, obtains the CoP two-dimensional nano pieces of open structure.
2. open structure CoP two-dimensional nanos piece preparation method according to claim 1, which is characterized in that the predecessor
Preparation method is that ammonium hydroxide is added in the mixed solution of cobalt acetate and aluminium chloride to be stirred to react, successively by obtained sediment later
After pyroreaction, centrifugation, washing and drying, Co (OH) is made2Two-dimensional nano piece predecessor；The pyroreaction it is anti-
It is 110-130 DEG C to answer temperature.
3. open structure CoP two-dimensional nanos piece preparation method according to claim 2, which is characterized in that the cobalt acetate with
The molar ratio of liquor alumini chloridi is 1-4:1, the volume of aqueous solvent and the volume of ammonium hydroxide in the mixed solution of cobalt acetate and aluminium chloride
Than for 5-15:1.
4. open structure CoP two-dimensional nanos piece preparation method according to claim 2, which is characterized in that it is described washing be according to
It is secondary to be washed using distilled water and ethyl alcohol.
5. open structure CoP two-dimensional nanos piece preparation method according to claim 2, which is characterized in that the dry use
Oven drying, dry temperature are 60-80 DEG C, time 8-24h.
6. open structure CoP two-dimensional nanos piece preparation method according to claim 2, which is characterized in that the cobalt hydroxide
A length of 100-150nm of two-dimensional nano piece, thickness 2-5nm.
7. open structure CoP two-dimensional nanos piece preparation method according to claim 1, which is characterized in that the sodium metaphosphate
With the mass ratio 5-25 of predecessor:1.
8. open structure CoP two-dimensional nanos piece preparation method according to claim 1, which is characterized in that the heating reaction
It is in N2It is carried out in tube furnace under protection, rises to 300-350 DEG C with the heating rate of 2 DEG C/min, keep 2h.
9. open structure CoP two-dimensional nanos piece preparation method according to claim 1, which is characterized in that the product washing
It is to use distilled water and ethyl alcohol to be washed successively, described dry using oven drying, dry temperature is 60-80 DEG C, the time
For 8-24h.
10. open structure CoP two-dimensional nanos piece preparation method according to claim 1, which is characterized in that the CoP two dimensions
A length of 100-150nm of nanometer sheet, thickness 3-7nm.
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| CN109295476A (en) * | 2018-10-29 | 2019-02-01 | 安阳师范学院 | A kind of sheet Co2The synthetic method and its application of P- carbon cloth composite material |
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| CN110975899A (en) * | 2019-11-15 | 2020-04-10 | 北京科技大学 | Preparation method of cobalt phosphide nanosheet composite material with carbon particle intercalation |
| CN111013615A (en) * | 2019-12-20 | 2020-04-17 | 佛山科学技术学院 | Preparation method of CoP catalyst with hydrogen precipitation and oxygen precipitation high-efficiency dual functions |
| CN111266122A (en) * | 2018-12-04 | 2020-06-12 | 中国科学院上海硅酸盐研究所 | Surface modified Co (OH)xNanoparticle CoP nanosheet hydrogen evolution reaction catalyst and preparation method thereof |
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| CN109295476A (en) * | 2018-10-29 | 2019-02-01 | 安阳师范学院 | A kind of sheet Co2The synthetic method and its application of P- carbon cloth composite material |
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| CN111013615A (en) * | 2019-12-20 | 2020-04-17 | 佛山科学技术学院 | Preparation method of CoP catalyst with hydrogen precipitation and oxygen precipitation high-efficiency dual functions |
| CN113235109A (en) * | 2021-05-10 | 2021-08-10 | 哈尔滨工业大学 | Foamed nickel-loaded platinum nanoparticle cobalt salt full-electrolysis water electro-catalytic material and preparation method thereof |
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