Electrochemical method for catalytic oxidation of methanol with polygonal PtCoFe nano-catalyst
A nano-catalyst and catalytic oxidation technology, which is applied in electrochemical generators, nanotechnology for materials and surface science, nanotechnology, etc., can solve the problems of low catalytic activity, high price, and short life of catalysts, and achieve wide application Prospect, effect of high active site density and excellent electrocatalytic activity
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[0022] Measure 1.0mL chloroplatinic acid (19.3mmol / L), 4.0mL concentration is the cobalt chloride of 1.66mmol / L and 3.0mL concentration is the iron trichloride aqueous solution of 1.66mmol / L in the 30ml reactor, then add poly Vinylpyrrolidone K30, hexadecyltrimethylammonium bromide CTAB and NaBr are stirred and dissolved with a magnetic stirrer, and then the air in the reactor is exhausted with hydrogen, and 0.8MPa hydrogen is introduced into the reactor, and then heated at 200°C The reaction is carried out under heating, and after the reaction is completed, through ethanol centrifugal washing, freeze-drying and other processing steps to obtain polygonal PtCoFe alloy nanoparticles (such as figure 2 Shown), wherein, the consumption scope of polyvinylpyrrolidone K30 is 210mg, and the consumption scope of cetyltrimethylammonium bromide is 60mg, and the consumption of NaBr is identical with the consumption of cetyltrimethylammonium bromide.
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