A preparation method of porous multi-branched pt-ni-cu alloy nanoparticles
A kind of alloy nano, multi-branch technology, applied in the direction of nanotechnology, nanotechnology, nanotechnology, etc. for materials and surface science, can solve the problems of low utilization rate, high price of Pt nanostructure catalyst, easy poisoning, etc., and achieve high activity The effects of high bit density, green and efficient preparation method, and wide application prospects
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[0023] Measure 2.0mL of 19.3mmol / L chloroplatinic acid aqueous solution, 1.0mL of 20mmol / L nickel chloride and 1.0mL of 20mmol / L copper chloride aqueous solution and 0.7mL of 1,3-propanediol in 50mL Then add glycine, polyvinylpyrrolidone K30 and NaF into the beaker, stir and dissolve with a magnetic stirrer, then transfer to a microwave reactor, after absolutely sealing, transfer to a microwave synthesizer and heat at 200°C for 30min for reaction, after the reaction is completed, Water and ethanol centrifugal washing, freeze-drying and other processing steps, wherein, the dosage range of polyvinylpyrrolidone K30 is 200mg, the dosage range of NaF is 580mg, the dosage range of glycine is 310mg, and the dosage range of 1.3-propanediol is 0.7mL to obtain porous multi-branched Pt-Ni-Cu alloy nanoparticles (such as figure 2 shown).
[0024] Methanol (formic acid) electro-oxidation test: The anode electro-oxidation performance test is carried out on a CHI650D electrochemical workst...
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