PT-M Metal Alloy Catalyst Prepared by Electrodeposition in Organic System
A metal alloy and catalyst technology, applied in the field of Pt-M metal alloy catalyst and its preparation, can solve the problems of limiting the breakthrough of cathode noble metal catalyst, single synthesis method, and limited control method, and achieve the improvement of comprehensive utilization efficiency, enhanced catalytic activity, Effect of Platinum Load Reduction
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Embodiment 1
[0055]The preparation step of the PT-M metal alloy nanoparticle catalyst having a high catalytic performance is as follows:
[0056]1. Adopting the corresponding reagent in accordance with certain quality, the PT source is chloroplatinic acid, the M metal source is acetylacetonate precursor salt, supporting the electrolyte as potassium perchlorate, and an inert gas N2, The mixture is added to a certain amount of organic solvent DMF and mix well is thoroughly stirred;
[0057]2. Add the above mixed liquid to molecular sieve water;
[0058]3. The above reaction product is ultrasound for 3 minutes to disperse uniform;
[0059]4, the electrochemical device, the electrode is deposited under different deposition potentials of -1.5V to -2.2V; the scan rate is 25 mV / s, and circulating volt-amu electrochemical cleaning is performed between 0.55V.
[0060]6, using constant current electrodeposition method, constant potential electrodeposition method, circulating volt-amplification method, one or more comb...
Embodiment 2
[0066]The preparation of the preparation step of the PT-M metal alloy nanoparticle catalyst having high catalytic performance in this embodiment is in the case of:
[0067]1. Electronic balance is used in accordance with a certain quality of the reagent, the PT source is chloroplatinic acid, the M metal source is acetylacetone nickel precursor salt, supporting the electrolyte as potassium oleginate, an inert gas N2, The mixture is added to a certain amount of organic solvent DMF and mix well is thoroughly stirred;
[0068]2. Add the above mixed liquid to molecular sieve water;
[0069]3. The above reaction product is ultrasound for 3 minutes to disperse uniform;
[0070]4, the electrochemical device, the electrode is deposited under different deposition potentials of -1.5V to -2.2V; the scan rate is 25 mV / s, and circulating volt-amu electrochemical cleaning is performed between 0.55V.
[0071]6, using constant current electrodeposition method, constant potential electrodeposition method, circula...
Embodiment 3
[0077]The preparation of the preparation step of the PT-M metal alloy nanoparticle catalyst having high catalytic performance in this embodiment is in the case of:
[0078]1. Electronic balance is used according to a certain quality, the PT source is chloroplatinic acid, the M metal source is acetylacetone nickel precursor salt, and the electrolyte is tetrabutylavadic chloride, and an inert gas N2, The mixture is added to a certain amount of organic solvent DMF and mix well is thoroughly stirred;
[0079]2. Add the above mixed liquid to molecular sieve water;
[0080]3. The above-mentioned reaction product is ultrasound for 0.5 minutes to disperse uniform;
[0081]4, the electrochemical device, the electrode is deposited under different deposition potentials of -1.5V to -2.2V; the scan rate is 5 mV / s, and circulating volt-amu electrochemical cleaning is performed between 0.3V.
[0082]6, using constant current electrodeposition method, constant potential electrodeposition method, circulating vol...
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