Preparation method of lauryl sodium sulfate-doped foamed nickel catalyst electrode
A sodium lauryl sulfate and catalytic electrode technology, which is applied in the direction of electrodes, electrolytic processes, electrolytic components, etc., can solve the problems of high price, short service life of electrodes, and poor corrosion resistance, so as to improve adsorption capacity and catalytic performance , the effect of increasing the specific surface area
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Embodiment 1
[0020] 1) Weigh PdCl 2 Dissolve the powder in 3mol / L HCl solution, add deionized water to prepare 20mmol / L PdCl 2 solution;
[0021] 2) After soaking the nickel foam in 0.5mol / L sulfuric acid for 2 minutes to remove surface matter, it was cleaned by ultrasonic vibration in acetone (degreasing) and double distilled water for 12 minutes, and dried for later use;
[0022] 3) After mixing pyrrole and 0.5mol / L sulfuric acid in a volume ratio of 7:2493, adding sodium lauryl sulfate to obtain a mixed solution, the content of sodium lauryl sulfate in the mixed solution is 0.0001g / mL;
[0023] 4) With the nickel foam treated in step 2) as the anode, the platinum sheet as the cathode, and the solution prepared in step 3) as the electrolyte, the PPy-SDS / nickel foam electrode is prepared by electrodeposition, and the deposition current density 0.56mA / cm 2 , the deposition time is 3min;
[0024] 5) With the PPy-SDS / nickel foam electrode as the cathode, the platinum sheet as the anode, ...
Embodiment 2
[0027] 1) Weigh PdCl 2 Dissolve the powder in 3mol / L HCl solution, add deionized water to prepare 24.5mmol / L PdCl 2 solution;
[0028] 2) Soak nickel foam in 0.5mol / L sulfuric acid for 2 minutes to remove surface matter, then ultrasonically shake it in acetone (degreasing) and double-distilled water for 10 minutes to clean it, and dry it for later use;
[0029] 3) After mixing pyrrole and 0.5mol / L sulfuric acid in a volume ratio of 7:2493, adding sodium lauryl sulfate to obtain a mixed solution, the content of sodium lauryl sulfate in the mixed solution is 0.0001g / mL;
[0030] 4) With the nickel foam treated in step 2) as the anode, the platinum sheet as the cathode, and the solution prepared in step 3) as the electrolyte, the PPy-SDS / nickel foam electrode is prepared by electrodeposition, and the deposition current density 0.56mA / cm 2 , the deposition time is 3min;
[0031] 5) With the PPy-SDS / nickel foam electrode as the cathode, the platinum sheet as the anode, and the ...
Embodiment 3
[0034] 1) Weigh PdCl 2 Dissolve the powder in 3mol / L HCl solution, add deionized water to prepare 25mmol / L PdCl 2 solution;
[0035] 2) Soak nickel foam in 0.5mol / L sulfuric acid for 3 minutes to remove surface matter, then ultrasonically shake in acetone (degreasing) and double-distilled water for 15 minutes to clean it up, and dry it for later use;
[0036] 3) After mixing pyrrole and 0.5mol / L sulfuric acid in a volume ratio of 7:2493, adding sodium lauryl sulfate to obtain a mixed solution, the content of sodium lauryl sulfate in the mixed solution is 0.0001g / mL;
[0037] 4) With the nickel foam treated in step 2) as the anode, the platinum sheet as the cathode, and the solution prepared in step 3) as the electrolyte, the PPy-SDS / nickel foam electrode is prepared by electrodeposition, and the deposition current density 0.56mA / cm 2 , the deposition time is 3min;
[0038] 5) With the PPy-SDS / nickel foam electrode as the cathode, the platinum sheet as the anode, and the Pd...
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