Preparation of conductive cobalt coordination linear polymer and application of conductive cobalt coordination linear polymer in electrocatalytic oxygen reduction process
A linear polymer and coordination technology, applied in the electrolysis process, electrical components, battery electrodes, etc., can solve the problems of small limiting current, large internal resistance, high overpotential, etc., achieve good exposure, improve oxygen reduction activity, and preparation method easy effect
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Embodiment 1
[0043] 1. Preparation of conductive cobalt-coordinated linear conjugated polymers (chemical reactions such as figure 1 shown)
[0044] After mixing the isopropanol and water mixed solution of 2,4-diamino-1,5-benzenedithiophenol dihydrochloride and the aqueous solution of cobalt acetate under vigorous stirring conditions, let stand at a certain temperature for 48 hours Program to cool down to room temperature, and collect the solid by centrifugation. The steps are as follows:
[0045] 49.05 mg of 2,4-diamino-1,5-benzenedithiophenol dihydrochloride was added to a mixed solution of 2 mL of isopropanol and 0.1 mL of water, and sonicated until completely dissolved to obtain reaction solution A; 51.22 mg of cobalt nitrate was dissolved The reaction solution B was obtained in 2 mL of water. The reaction solution A and B were mixed under vigorous stirring and put into the reaction kettle, and the reaction kettle was placed under the condition of 100°C for 48 hours, and then the temp...
Embodiment 2
[0066] 1. Preparation of cobalt coordination linear polymers
[0067] After mixing the isopropanol and water mixed solution of 2,4-diamino-1,5-benzenedithiophenol dihydrochloride and the aqueous solution of cobalt acetate under vigorous stirring conditions, let stand at a certain temperature for 96 hours Program to cool down to room temperature, and collect the solid by centrifugation. The steps are as follows:
[0068] 49.05 mg of 2,4-diamino-1,5-benzenedithiophenol dihydrochloride was added to a mixed solution of 4 mL of isopropanol and 0.9 mL of water, and sonicated until completely dissolved to obtain reaction solution A; cobalt chloride 51.94 mg Dissolve in 2 mL of water to obtain reaction solution B. The reaction solution A and B were mixed under vigorous stirring and put into the reaction kettle, and the reaction kettle was placed under the condition of 140°C for 96 hours, and then the temperature was lowered to room temperature by program. After the above reaction sy...
Embodiment 3
[0074] 1. Preparation of Co-coordinated Linear Conjugated Polymers
[0075] After mixing the ethanol and water mixed solution of 2,3-diamino-1,4-benzenedithiophenol hydrochloride and the aqueous solution of cobalt acetate under vigorous stirring conditions, let stand for 24 hours at a certain temperature, and then program the temperature to cool down to At room temperature, the solid was collected by centrifugation. The steps are as follows:
[0076] 34.72 mg of 2,3-diamino-1,4-benzenedithiol was added to a mixed solution of 2.5 mL of ethanol and 0.5 mL of water, and sonicated until completely dissolved to obtain reaction solution A; 49.82 mg of cobalt acetate was dissolved in 2 mL of water to obtain a reaction Liquid B. The reaction solution A and B were mixed under vigorous stirring and put into the reaction kettle, and the reaction kettle was placed under the condition of 180°C for 24 hours, and then the temperature was lowered to room temperature by program. After the ab...
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