Foamed nickel-molybdenum alloy doped with carbon quantum dots and preparation method
A technology of carbon quantum dots and foamed nickel, which is applied in the field of preparation of foamed nickel-molybdenum alloys, can solve problems such as limiting the application of nickel-molybdenum alloys and hydrogen evolution effects, and achieve the effects of strong stability, good coating quality, and high molybdenum content
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Embodiment 1
[0025] In this embodiment, the preparation method of foamed nickel-molybdenum alloy doped with carbon quantum dots is to electrodeposit nickel-molybdenum alloy and doped with carbon quantum dots on the foamed nickel substrate. The electrodeposition solution formula used in this method includes nickel sulfate, molybdenum acid Ammonium, trisodium citrate, sodium chloride, ammonia water with a mass fraction of 25%, 1,4-butynediol, saccharin, glucose carbon quantum dots. The method includes the following steps:
[0026] (1) prepare an electroplating solution of an electrodeposited foamed nickel-molybdenum alloy according to a known formula, the main components of the electroplating solution are deionized water, nickel sulfate, ammonium molybdate, trisodium citrate, sodium chloride, 25% ammoniacal liquor ( mass fraction), 1,4-butynediol and saccharin;
[0027] (2) Glucose carbon quantum dot solution is prepared by glucose hydrothermal method;
[0028] (3) The glucose carbon quant...
Embodiment 2
[0037] Different from Example 1, the solution temperature in step (5) of the method is 35°C, and the apparent cathode current density is 110mA / cm 2 .
[0038] The quality of the electrodeposition layer obtained by the above method is good, the electrodeposition solution system is stable, the operation is convenient, the air pollution is small, and the cathode current density measured according to the polarization curve is 200A / m 2 When the standard potential can reach -0.1V, it can meet the needs of industrial production.
Embodiment 3
[0040] Different from Example 1, the solution temperature in step (5) of the method is 55°C, and the apparent cathode current density is 130mA / cm 2 .
[0041] The quality of the electrodeposition layer obtained by the above method is good, the electrodeposition solution system is stable, the operation is convenient, the air pollution is small, and the cathode current density measured according to the polarization curve is 200A / m 2 When the standard potential can reach -0.1V, it can meet the needs of industrial production.
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