Method for reducing molecular oxygen by using tri-aryl corrole cobalt complex as electro-catalyst
A technology of electrocatalysts and complexes, applied in circuits, electrical components, battery electrodes, etc., can solve problems such as high price, high application cost, and application restrictions, and achieve good application prospects
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[0018] Example 1.
[0019] Take a certain amount of tris(p-chlorophenyl)corrole cobalt as an electrocatalyst, dissolve it in dichloromethane solvent, and prepare a concentration of 1.0 × 10 -3 mol / L solution. Take 2-5 mL of this solution into a 10 mL small beaker, soak a pyrolytic graphite electrode (Pine Instrument Company, USA) in it for 5 to 10 seconds, take it out, and let it dry naturally to be used as a catalytic working electrode.
[0020] Add 50 mL of 1.0 mol / L perchloric acid aqueous solution into the electrochemical cell (150 mL beaker). Install pyrolytic graphite electrode, platinum electrode and saturated calomel electrode to form a three-electrode system. Pass pure compressed air to saturation in the three-electrode electrochemical cell.
[0021] The potential of the disc electrode was controlled from +0.6 to -0.2 V, the potential of the ring electrode was kept at +1.0 V, the electrode rotation speed was 400 rpm, and the scan rate was 10 mV / s to car...
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[0023] Example 2.
[0024] Take a certain amount of tris(p-methoxyphenyl)corrole cobalt as an electrocatalyst, dissolve it in dichloromethane solvent, and prepare a concentration of 1.0 × 10 -3 mol / L electrocatalyst solution. Take 2-5 mL of this solution in a 10 mL small beaker, soak the pyrolytic graphite electrode in it for 5 to 10 seconds, take it out, and let it dry naturally for use as a catalytic working electrode.
[0025] Add 50 mL of 1.0 mol / L perchloric acid aqueous solution into the electrochemical cell (150 mL beaker). Install pyrolytic graphite electrode, platinum electrode and saturated calomel electrode to form a three-electrode system. Pass pure compressed air to saturation in the three-electrode electrochemical cell.
[0026] The potential of the disc electrode was controlled from +0.6 to -0.2 V, the potential of the ring electrode was kept at +1.0 V, the electrode rotation speed was 400 rpm, and the scan rate was 10 mV / s to carry out electrochemic...
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