CN110284167A - A kind of electro-deposition method preparing foam nickel-molybdenum alloy - Google Patents
A kind of electro-deposition method preparing foam nickel-molybdenum alloy Download PDFInfo
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Abstract
The disclosure belongs to liberation of hydrogen technical field of material, and in particular to a kind of to prepare foam nickel-molybdenum alloy liberation of hydrogen material institute Means of Electrodeposition.Method includes the following steps: nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, sodium chloride or potassium chloride or nickel chloride are successively dissolved in deionized water by (1)；(2) ethanol amine is dissolved in the solution that step (1) obtains, the pH value for adjusting solution is 8.5~9.5；(3) 1,4- butynediols and saccharin are added in solution described in step (2) to obtain electric depositing solution；(4) electro-deposition is carried out by the way of single cathode, three anodes；Wherein nickel foam is as cathode, and nickel, molybdenum, titanium or nickel, molybdenum, carbon are as anode；(5) above-mentioned solution is heated to 50~60 DEG C, with apparent cathode-current density 125-155mA/cm2Carry out electro-deposition.This method has can be without ammonium hydroxide operates, deposition layer is high-quality, electric depositing solution pH stable, operates conveniently and molybdenum content is up to 25% beneficial effect in nickel-molybdenum alloy.
Description
Technical field
The disclosure belongs to liberation of hydrogen technical field of material, and in particular to a kind of to prepare foam nickel-molybdenum alloy liberation of hydrogen material institute
Means of Electrodeposition.
Background technique
When being electrolysed alkaline water and saline solution, influence of the catalytic activity of cathode for hydrogen evolution to tank voltage is very big.The analysis of cathode
Hydrogen activity is poor, and overpotential is just high, causes tank voltage height, power consumption big.The hydrogen evolution activity of noble metal platinum and palladium is good, liberation of hydrogen is excessively electric
Position is very low, but it is expensive, is difficult to apply in industrial production.Therefore, it is necessary to research and develop, catalytic performance is excellent and valence
The less expensive high activity hydrogen evolution electrode material of lattice.
Influencing the active principal element of cathode hydrogen evolution has geometrical factor (i.e. the specific surface area of electrode) and capacity factor (i.e. electric
The composition of pole material).Using the true specific surface area (as having porous foaming structure) for increasing electrode, the true of electrode can be reduced
Real current density, to reduce overpotential of hydrogen evolution.It is formed using transition metal element with special electronic structure such as nickel, molybdenum etc.
Alloy can produce the synergistic effect for reducing overpotential of hydrogen evolution.
In common binary alloy material, the hydrogen evolution activity of nickel-molybdenum alloy is than nickel cobalt (alloy), nickel tungsten, dilval
It is all good.In the solution that electro-deposition prepares nickel-molybdenum alloy, ammonium hydroxide is usually contained, ammonium hydroxide is complexing agent, and adjusts solution ph.By
Temperature when electro-deposition is high, and ammonium hydroxide is volatile, causes solution and deposition layer unstable quality, the air quality of workshop
Difference.Therefore, developing the electrodeposition technology without ammonium hydroxide or few ammonium hydroxide has important practical application value.
Summary of the invention
(1) goal of the invention
According to problem of the existing technology, the present invention provides that a kind of no ammonium hydroxide, deposition layer be high-quality, electric depositing solution
PH stable operates conveniently and molybdenum content is up to 25% electro-deposition method for preparing nickel-molybdenum alloy in nickel-molybdenum alloy.
(2) technical solution
Of the existing technology in order to solve the problems, such as, technical solution provided by the invention is as follows:
A kind of electro-deposition method preparing foam nickel-molybdenum alloy, this method are that electric deposition nickel molybdenum closes on nickel foam substrate
Gold, electric depositing solution formula used in this method includes nickel sulfate (NiSO4·6H2O), sodium molybdate (Na2MoO4·2H2) or molybdenum O
Sour potassium (K2MoO4), sodium citrate (Na3Cit·2H2O), sodium chloride (NaCl) or potassium chloride (KCl) or nickel chloride (NiCl2·
6H2O), ethanol amine, 1,4- butynediols (C4H6O2), saccharin, method includes the following steps:
(1) nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, sodium chloride or potassium chloride or nickel chloride are successively dissolved in
In ionized water；
(2) ethanol amine is dissolved in the solution that step (1) obtains, the pH value for adjusting solution is 8.5~9.5；
(3) 1,4- butynediols and saccharin are added in solution described in step (2) to obtain electric depositing solution；
(4) electro-deposition is carried out by the way of single cathode, three anodes；Wherein nickel foam is as cathode, nickel, molybdenum, titanium or nickel,
Molybdenum, carbon are as anode.
(5) above-mentioned solution is heated to 50~60 DEG C, with apparent cathode-current density 125-155mA/cm2It is heavy to carry out electricity
Product.
Preferably, nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, sodium chloride or potassium chloride or chlorine in the step (1)
Changing amount of the nickel in every liter of electric depositing solution is respectively 90~140g, 40~55g, 130~170g, 5~25g.
Preferably, the step (1) is that nickel sulfate, sodium molybdate, sodium citrate, sodium chloride are successively dissolved in deionized water
In.
Preferably, nickel sulfate described in step (1), sodium molybdate, sodium citrate, sodium chloride are in every liter of electric depositing solution
Amount is respectively 110~140g, 40~55g, 130~170g, 6~14g.
Preferably, the step (1) is that nickel sulfate, sodium molybdate, sodium citrate, potassium chloride are successively dissolved in deionized water
In.
Preferably, nickel sulfate described in step (1), sodium molybdate, sodium citrate, potassium chloride are in every liter of electric depositing solution
Amount is respectively 110~140g, 40~55g, 130~170g, 8~18g.
Preferably, oil removing, derusting and activation are carried out to the cathode before the electro-deposition described in step (4)；Anode
It is activated with nitric acid.
Preferably, amount of the ethanol amine in every liter of electric depositing solution described in step (2) is 25~38ml.
Preferably, the amount of Isosorbide-5-Nitrae-butynediols and saccharin in every liter of electric depositing solution described in step (3) is respectively
0.05~0.2g, 0.2~0.8g.
Preferably, the ethanol amine is monoethanolamine, diethanol amine or triethanolamine, when ethanol amine is diethanol amine or three
When ethanol amine, NaOH is added in step (2), to adjust the pH value of electric depositing solution as 8.5~9.5.
(3) beneficial effect
The electric depositing solution formula for preparing foam nickel-molybdenum alloy that the disclosure provides has and can operate without ammonium hydroxide, quality of coating
It is good, pH stable and the high beneficial effect of molybdenum content.Specifically:
1. the formula for the electric depositing solution for including in the method for the offer of the disclosure be nickel sulfate, sodium molybdate or potassium molybdate,
Sodium citrate, sodium chloride or potassium chloride or nickel chloride, ethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin, each ingredient in the formula have
Machine combines, and stablizes the nickel-molybdenum alloy quality of coating of preparation, and the content of molybdenum is up to 25%, advantageously reduces electricity during liberation of hydrogen
The consumption of energy.Citrate ion in formula is the complexing agent of nickel and molybdenum, and ethanol amine is the complexing agent of nickel.Citrate ion
It can be complexed with nickel ion with ethanol amine, due to different complexation constant and ligancy, they are mutual with the other compositions in formula
It matches, can control the nickel molybdenum content in deposition layer, the molybdenum content in deposition layer reaches as high as 25%.
2. formula used in preparing nickel-molybdenum alloy method from traditional electrodeposition process is different containing high concentration ammonium hydroxide, the disclosure
Ammonium hydroxide is free of in electric depositing solution formula, and replaces traditional ammonium hydroxide with ethanol amine, electricity is heavy caused by avoiding because of ammonium hydroxide volatilization
The unstable phenomenon of product solution ph；Ethanol amine can not only play the role of complexing agent to nickel in formula, but also be adjustable electricity and sink
The pH value of product solution, improves the component of deposition layer and the stability of quality, reduces the air pollution in operation workshop.
3. disclosed method in formula used, is also added into Isosorbide-5-Nitrae-butynediols and saccharin.Both substances have
Increase the beneficial effect of nickel-molybdenum alloy layer bright property and planarization.Isosorbide-5-Nitrae-butynediols makes deposition layer generate tensile stress, saccharin
Compression is generated, they are used cooperatively the internal stress that can reduce deposition layer, increase the binding force with substrate.
4. electro-deposition is carried out by the way of single cathode, three anodes, since the anodic dissolution current efficiency of nickel and molybdenum is far high
It is close to control electric current by adjusting the voltage of nickel, molybdenum, titanium or nickel, molybdenum, carbon anode in the cathode deposition current efficiency of nickel and molybdenum
Degree, to maintain the stabilization of the nickel ion and molybdenum ion concentration in electric depositing solution, obtains the stable nickel foam of electro-deposition quality
Molybdenum alloy.
5. the method that the disclosure provides, temperature control in electrodeposition process is at 50~60 DEG C, the pH value of electric depositing solution
It is 8.5~9.5.The hydrogen evolution activity of the foam nickel-molybdenum alloy of electro-deposition can be all caused to drop significantly lower than this temperature and pH value range
It is low.
6. the foam nickel-molybdenum alloy using the method preparation that the disclosure provides has liberation of hydrogen effect good, low energy consumption.At 30 DEG C
30%KOH solution in, cathode-current density 1000A/m2When overpotential of hydrogen evolution minimum reachable 0.118V, 2000A/m2When
The minimum reachable 0.201V of overpotential of hydrogen evolution.In diameter 110mm press filter type electrolyzer, using 90 DEG C of 30%KOH as electrolyte, yin
Electrode current density 4000A/m2When be electrolysed 60h, than the electrolysis with the foam nickel-molybdenum alloy commonly prepared containing sodium citrate and ammonium hydroxide
Slot slot forces down about 0.04V.
Specific embodiment
It is further elaborated below in conjunction with the specific embodiment disclosure.
Embodiment 1
A kind of electro-deposition method preparing foam nickel-molybdenum alloy, this method are that electric deposition nickel molybdenum closes on nickel foam substrate
Gold, electrodeposit liquid formula used in this method includes nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, sodium chloride or potassium chloride
Or nickel chloride, ethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin, method includes the following steps:
(1) nickel sulfate, sodium molybdate, sodium citrate, sodium chloride are successively dissolved in deionized water, in every liter of electric depositing solution
In be respectively 125g, 45g, 150g, 10g.
(2) monoethanolamine is dissolved in the solution that step (1) obtains, makes the pH value 8.5~9.5 of solution, monoethanolamine
It is 31ml in every liter of electrodeposit liquid；
(3) 1,4- butynediols and saccharin are added in solution described in step (2) to obtain electric depositing solution；1,4- fourth
Acetylenic glycols and saccharin are respectively 0.1g, 0.5g in every liter of electrodeposit liquid.
(4) electro-deposition is carried out by the way of single cathode, three anodes；Wherein for nickel foam as cathode, nickel, molybdenum and titanium are sun
Pole.
(5) above-mentioned solution is heated to 55 DEG C, with apparent cathode-current density 135mA/cm2Carry out electro-deposition.
Oil removing, derusting and activation are carried out to the cathode before the electro-deposition described in step (4)；Anode nitric acid into
Row activation；
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 25.0%, is able to satisfy industrial production needs.
Embodiment 2
Unlike the first embodiment, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, sodium chloride, diethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin are respectively 110g, 40g, 130g, 6g, 25ml, 0.05g, 0.2g,
And the pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Anode in step (4) is nickel, molybdenum, carbon plate；Step
(5) temperature in is 50 DEG C, and apparent cathode-current density is 150mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 24.2%, is able to satisfy industrial production needs.
Embodiment 3
Unlike the first embodiment, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, sodium chloride, triethanolamine, Isosorbide-5-Nitrae-butynediols, saccharin are respectively 140g, 55g, 170g, 14g, 38ml, 0.2g, 0.8g,
And the pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 60 DEG C, apparent cathode electricity
Current density is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 24.1%, is able to satisfy industrial production needs.
Embodiment 4
Unlike the first embodiment, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, monoethanolamine, 1,4- butynediols, saccharin are respectively 125g, 45g, 150g, 13g, 31ml, 0.1g, 0.5g.
Temperature in step (5) is 55 DEG C, and apparent cathode-current density is 150mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 24.0%, is able to satisfy industrial production needs.
Embodiment 5
As different from Example 4, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, diethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin are respectively 110g, 40g, 130g, 8g, 25ml, 0.05g, 0.2g,
The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 50 DEG C, apparent cathode current
Density is 135mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.9%, is able to satisfy industrial production needs.
Embodiment 6
As different from Example 4, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, diethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin are respectively 140g, 55g, 170g, 18g, 38ml, 0.2g, 0.8g,
And the pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 60 DEG C, apparent cathode electricity
Current density is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.2%, is able to satisfy industrial production needs.
Embodiment 7
Unlike the first embodiment, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, monoethanolamine, 1,4- butynediols, saccharin are respectively 103g, 45g, 150g, 20g, 31ml, 0.1g, 0.5g.
Temperature in step (5) is 55 DEG C, and apparent cathode-current density is 135mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.0%, is able to satisfy industrial production needs.
Embodiment 8
As different from Example 7, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, diethanol amine, 1,4- butynediols, saccharin be respectively 110g, 40g, 130g, 15g, 25ml, 0.05g,
0.2g.And the pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 50 DEG C, apparently
Cathode-current density is 135mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.8%, is able to satisfy industrial production needs.
Embodiment 9
As different from Example 7, nickel sulfate, sodium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, triethanolamine, 1,4- butynediols, saccharin are respectively 90g, 55g, 170g, 25g, 38ml, 0.2g, 0.8g.
And the pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 60 DEG C, apparent cathode electricity
Current density is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.3%, is able to satisfy industrial production needs.
Embodiment 10
Unlike the first embodiment, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, sodium chloride, monoethanolamine, 1,4- butynediols, saccharin are respectively 125g, 43g, 150g, 10g, 31ml, 0.1g, 0.5g.
Temperature in step (5) is 55 DEG C, and apparent cathode-current density is 145mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.7%, is able to satisfy industrial production needs.
Embodiment 11
Unlike embodiment 10, nickel sulfate, potassium molybdate, citric acid in every liter of electric depositing solution in this method formula used
Sodium, sodium chloride, diethanol amine, 1,4- butynediols, saccharin are respectively 110g, 40g, 130g, 6.5g, 25ml, 0.05g, 0.2g.
The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 50 DEG C, apparent cathode current
Density is 135mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.4%, is able to satisfy industrial production needs.
Embodiment 12
Unlike embodiment 10, nickel sulfate, potassium molybdate, citric acid in every liter of electric depositing solution in this method formula used
Sodium, sodium chloride, triethanolamine, 1,4- butynediols, saccharin are respectively 140g, 55g, 170g, 14g, 38ml, 0.2g, 0.8g.Add
Enter the pH value of NaOH adjustment electric depositing solution between 8.5~9.5.Temperature in step (5) is 60 DEG C, and apparent cathode current is close
Degree is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.0%, is able to satisfy industrial production needs.
Embodiment 13
Unlike the first embodiment, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, monoethanolamine, 1,4- butynediols, saccharin are respectively 125g, 43g, 150g, 13g, 31ml, 0.1g, 0.5g.
Temperature in step (5) is 55 DEG C, and apparent cathode-current density is 150mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.5%, is able to satisfy industrial production needs.
Embodiment 14
As different from Example 13, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, diethanol amine, 1,4- butynediols, saccharin are respectively 110g, 40g, 130g, 8g, 25ml, 0.05g, 0.2g.
The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 50 DEG C, apparent cathode current
Density is 135mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.4%, is able to satisfy industrial production needs.
Embodiment 15
As different from Example 13, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, potassium chloride, triethanolamine, 1,4- butynediols, saccharin are respectively 140g, 55g, 170g, 17g, 38ml, 0.2g, 0.8g.
The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 60 DEG C, apparent cathode current
Density is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.5%, is able to satisfy industrial production needs.
Embodiment 16
Unlike the first embodiment, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, monoethanolamine, 1,4- butynediols, saccharin are respectively 130g, 43g, 150g, 12g, 31ml, 0.1g, 0.5g.
Temperature in step (5) is 55 DEG C, and apparent cathode-current density is 150mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.0%, is able to satisfy industrial production needs.
Embodiment 17
As different from Example 16, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, diethanol amine, 1,4- butynediols, saccharin be respectively 120g, 40g, 130g, 16g, 25ml, 0.05g,
0.2g.The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 50 DEG C, apparent yin
Electrode current density is 135mA/cm2
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.6%, is able to satisfy industrial production needs.
Embodiment 18
As different from Example 16, nickel sulfate, potassium molybdate, lemon in every liter of electric depositing solution in this method formula used
Sour sodium, nickel chloride, triethanolamine, 1,4- butynediols, saccharin are respectively 110g, 55g, 170g, 20g, 38ml, 0.2g, 0.8g.
The pH value of NaOH adjustment electric depositing solution is added between 8.5~9.5.Temperature in step (5) is 60 DEG C, apparent cathode current
Density is 155mA/cm2。
High-quality using deposition layer obtained by the above method, electric depositing solution stable system is easy to operate, and no air is dirty
It contaminates, the molybdenum content in deposition layer reaches 23.3%, is able to satisfy industrial production needs.
The foregoing is merely the preferred embodiments of the disclosure, not to limit the disclosure, all spirit in the disclosure and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of electro-deposition method for preparing foam nickel-molybdenum alloy, which is characterized in that this method be powered in nickel foam substrate it is heavy
Nickel-molybdenum alloy is accumulated, electric depositing solution formula used in this method includes nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, chlorination
Sodium or potassium chloride or nickel chloride, ethanol amine, Isosorbide-5-Nitrae-butynediols, saccharin, method includes the following steps:
(1) nickel sulfate, sodium molybdate or potassium molybdate, sodium citrate, sodium chloride or potassium chloride or nickel chloride are successively dissolved in deionization
In water；
(2) ethanol amine is dissolved in the solution that step (1) obtains, the pH value for adjusting solution is 8.5~9.5；
(3) 1,4- butynediols and saccharin are added in solution described in step (2) to obtain electric depositing solution；
(4) electro-deposition is carried out by the way of single cathode, three anodes；Wherein nickel foam is as cathode, nickel, molybdenum, titanium or nickel, molybdenum,
Carbon is as anode；
(5) above-mentioned solution is heated to 50~60 DEG C, with apparent cathode-current density 125-155mA/cm2Carry out electro-deposition.
2. electro-deposition method according to claim 1, which is characterized in that nickel sulfate, sodium molybdate or molybdenum in the step (1)
The amount of sour potassium, sodium citrate, sodium chloride or potassium chloride or nickel chloride in every liter of electric depositing solution be respectively 90~140g, 40~
55g, 130~170g, 5~25g.
3. electro-deposition method according to claim 1, which is characterized in that the step (1) be by nickel sulfate, sodium molybdate,
Sodium citrate, sodium chloride are successively dissolved in deionized water.
4. electro-deposition method according to claim 1, which is characterized in that nickel sulfate, sodium molybdate, lemon described in step (1)
Lemon acid sodium, amount of the sodium chloride in every liter of electric depositing solution are respectively 110~140g, 40~55g, 130~170g, 6~14g.
5. electro-deposition method according to claim 1, which is characterized in that the step (1) be by nickel sulfate, sodium molybdate,
Sodium citrate, potassium chloride are successively dissolved in deionized water.
6. electro-deposition method according to claim 1, which is characterized in that nickel sulfate, sodium molybdate, lemon described in step (1)
Lemon acid sodium, amount of the potassium chloride in every liter of electric depositing solution are respectively 110~140g, 40~55g, 130~170g, 8~18g.
7. electro-deposition method according to claim 1, which is characterized in that institute before the electro-deposition described in step (4)
The cathode stated carries out oil removing, derusting and activation；Anode is activated with nitric acid.
8. electro-deposition method according to claim 1, which is characterized in that ethanol amine described in step (2) is heavy in every liter of electricity
Amount in product solution is 25~38ml.
9. electro-deposition method according to claim 1, which is characterized in that Isosorbide-5-Nitrae-butynediols and sugar described in step (3)
Amount of the essence in every liter of electric depositing solution is respectively 0.05~0.2g, 0.2~0.8g.
10. electro-deposition method according to claim 1, which is characterized in that the ethanol amine is monoethanolamine, diethanol amine
Or when ethanol amine is diethanol amine or triethanolamine NaOH is added in step (2), to adjust electric depositing solution in triethanolamine
PH value be 8.5~9.5.
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| CN112626552A (en) * | 2021-01-07 | 2021-04-09 | 兰州大学 | Method for electrodepositing Ni-Fe-Sn-P alloy on surface of foamed nickel |
| CN112853394A (en) * | 2020-12-31 | 2021-05-28 | 湖南大学 | Foam nickel-molybdenum alloy doped with carbon quantum dots and preparation method thereof |
| CN113846343A (en) * | 2021-07-17 | 2021-12-28 | 北京工业大学 | Preparation method of nickel-molybdenum carbide electrocatalyst |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111850599A (en) * | 2020-07-21 | 2020-10-30 | 深圳市瑞麟科技有限公司 | Preparation method of nanocrystalline nickel-molybdenum alloy porous composite electrode |
| CN112281187A (en) * | 2020-11-06 | 2021-01-29 | 金川集团股份有限公司 | Composite additive for preparing electrolytic nickel and preparation method thereof |
| CN112853394A (en) * | 2020-12-31 | 2021-05-28 | 湖南大学 | Foam nickel-molybdenum alloy doped with carbon quantum dots and preparation method thereof |
| CN112626552A (en) * | 2021-01-07 | 2021-04-09 | 兰州大学 | Method for electrodepositing Ni-Fe-Sn-P alloy on surface of foamed nickel |
| CN112626552B (en) * | 2021-01-07 | 2023-05-30 | 兰州大学 | Method for electrodepositing Ni-Fe-Sn-P alloy on surface of foam nickel |
| CN113846343A (en) * | 2021-07-17 | 2021-12-28 | 北京工业大学 | Preparation method of nickel-molybdenum carbide electrocatalyst |
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