Preparation method of three-dimensional pd-ni nanowire array catalyst for electroreduction of hydrogen peroxide
A technology of nanowire array and hydrogen peroxide, which is applied in the direction of circuits, electrical components, battery electrodes, etc., can solve the problems of slow cathode reaction kinetics, etc., and achieve the effect of solving poor cathode activity, reducing usage and improving utilization rate
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[0022] In order to better illustrate the effect of the process of the present invention, specific examples are used below to illustrate.
[0023] (1) In a constant temperature oven at 100°C, brush the liquid low-melting bismuth-based alloy (melting point: 65°C) on the surface of the track-etched polycarbonate film (PC template), and after the alloy is cooled, it is mixed with The PC template constitutes a composite electrode (PC film-alloy electrode).
[0024] (2) Take 80mL of electrolyte solution in a 100mL beaker, use the composite electrode (PC film-alloy electrode) as the working electrode, and electrolyze the nickel sheet (4.0×4.0cm 2 ) is the auxiliary electrode, and the saturated Ag / AgCl electrode is the reference electrode, forming a three-electrode system for electrochemical deposition. The electrodeposition process is carried out in a constant temperature water bath at 55 °C and a stirring speed of 150 rpm. After applying a constant cathodic current (-196mA), Nickel...
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