Iron-cobalt-nickel-copper-based high-entropy alloy water electrolysis catalytic material and preparation method thereof
A technology of catalytic materials and copper-based alloys, applied in catalyst activation/preparation, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc., can solve problems such as low cost, poor electrical conductivity, and low catalytic activity , to achieve the effect of improving catalytic activity, good stability and high active area
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[0053] Example 1
[0054] Preparation of FeCoNiCuSn HEA / CNFs electrolysis water catalytic material
[0055] (1) Add 0.1mmol ferric chloride, 0.1mmol cobalt chloride, 0.1mmol nickel chloride, 0.1mmol copper chloride, 0.1mmol tin chloride and 0.2g dicyandiamide to 30g of polypropylene with a mass fraction of 18wt% In the nitrile / N,N-dimethylformamide solution, stir evenly by magnetic force, and then use the electrostatic spinning method to spin the solution, control the spinning voltage to 15kV, and the distance between the receiving device and the arrogant pillow is 15cm. The flow rate is 0.05 mL / min to obtain a mixed nanofiber membrane.
[0056] (2) Take 0.5 g of the mixed nanofiber membrane prepared in step (1) and put it in a corundum boat and place it in the middle of the tube furnace. The temperature is raised to 230°C at a heating rate of 20°C / min, and the temperature is kept for 3 hours in an air atmosphere. After the heat preservation, the temperature was raised to 1000°C a...
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