Platinum-copper alloy nanowire as well as preparation method thereof and application thereof
A platinum-copper alloy and nanowire technology, which is applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problem of limited catalytic ability of platinum-copper catalysts, poor stability and catalytic activity of platinum-carbon catalysts, etc. problems, to achieve the effect of improving the ability to resist carbon monoxide poisoning, improving catalytic activity, and simple operation
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Embodiment 1
[0050] Example 1 A methanol fuel cell anode platinum-copper alloy nanowire catalyst
[0051] The methanol fuel cell anode platinum-copper alloy nanowire catalyst is prepared by the following steps:
[0052] Add 3.5g of potassium hydroxide to 24ml of ethylene glycol and 36ml of dimethylformamide mixed solution, ultrasonic for 1h until potassium hydroxide is completely dissolved, to obtain a mixed solution of ethylene glycol and dimethylformamide containing potassium hydroxide, add 170μl The ethylene glycol solution of chloroplatinic acid with a concentration of 0.2 mol / L and the ethylene glycol solution of 0.2 mol / L copper dichloride in 1030 μl are ultrasonicated for 10 minutes until the solution is uniformly dispersed, and the hydrothermal reaction is carried out at 170 ° C for 12 hours , to obtain platinum-copper alloy nanowires with an average particle size of 1.31±0.3nm, denoted as Pt 14 Cu 86 .
Embodiment 2
[0053] Example 2 A methanol fuel cell anode platinum-copper alloy nanowire catalyst
[0054] The methanol fuel cell anode platinum-copper alloy nanowire catalyst is prepared by the following steps:
[0055] Add 3.5g of potassium hydroxide to 24ml of ethylene glycol and 36ml of dimethylformamide mixed solution, ultrasonic for 1h until potassium hydroxide is completely dissolved, to obtain a mixed solution of ethylene glycol and dimethylformamide containing potassium hydroxide, add 300μl The ethylene glycol solution of chloroplatinic acid with a concentration of 0.2 mol / L and the ethylene glycol solution of 0.2 mol / L copper dichloride in 900 μl are ultrasonicated for 10 minutes until the solution is uniformly dispersed, and the hydrothermal reaction is carried out at 170 ° C for 12 hours , to obtain platinum-copper alloy nanowires with an average particle size of 1.51±0.3nm, denoted as Pt 23 Cu 77 .
Embodiment 3
[0056] Example 3 A methanol fuel cell anode platinum-copper alloy nanowire catalyst
[0057] The methanol fuel cell anode platinum-copper alloy nanowire catalyst is prepared by the following steps:
[0058] Add 3.5g of potassium hydroxide to 24ml of ethylene glycol and 36ml of dimethylformamide mixed solution, ultrasonic 1h until potassium hydroxide is completely dissolved, to obtain a mixed solution of ethylene glycol and dimethylformamide containing potassium hydroxide, add 240μl The ethylene glycol solution of chloroplatinic acid with a concentration of 0.2 mol / L and the ethylene glycol solution of 0.2 mol / L copper dichloride in 960 μl are ultrasonicated for 10 minutes until the solution is uniformly dispersed, and the hydrothermal reaction is carried out at 170 ° C for 12 hours , to obtain platinum-copper alloy nanowires with an average particle size of 1.54±0.3nm, denoted as Pt 19 Cu 81 .
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