Preparing method of novel Ce-La co-doped high-catalytic-activity Ti/Ce-Lanano-TiO2 modified electrode and method for electrocatalytic reduction of L-cystine through modified electrode
A ce-lanano-tio2, high catalytic activity technology, applied in the direction of electrodes, electrolysis process, electrolysis components, etc., can solve the problems of poor corrosion resistance of electrodes, heavy metal pollution of products, poor catalytic activity of electrodes, etc. Enhanced catalytic activity and stability, the effect of increased electrocatalytic sites
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Embodiment 1
[0050] A kind of novel Ce-La co-doped high catalytic activity Ti / Ce-Lanano-TiO of the present embodiment The method for the electrocatalytic reduction of L-cystine of modified electrode, its steps are:
[0051] Step 1. Preparation of highly active Ti / Ce-Lanano-TiO modified by rare earth Ce and La co-doping 2 modified electrode
[0052] 1) Using pure titanium metal as the substrate, the pure titanium metal mentioned here refers to titanium metal with a purity of 99.5-99.7%.
[0053] Use 800-mesh and 2000-mesh corundum paper to polish the titanium substrate sequentially. After the grinding is completed, wash and remove oil with acetone and absolute ethanol in turn, and then put the titanium substrate after degreasing into a mixed solution of HF and ethylene glycol for ultrasonic corrosion for 20 minutes. The volume ratio of hydrofluoric acid and ethylene glycol is 1:4. Finally, it was ultrasonically washed with secondary water, acetone, and absolute ethanol for 20 minutes, and...
Embodiment 2
[0063] A kind of novel Ce-La co-doped high catalytic activity Ti / Ce-Lanano-TiO of the present embodiment The method for the electrocatalytic reduction of L-cystine of modified electrode, its steps are:
[0064] Step 1. Preparation of highly active Ti / Ce-Lanano-TiO modified by rare earth Ce and La co-doping 2 modified electrode
[0065] 1) Using pure titanium metal as the substrate, the pure titanium metal mentioned here refers to titanium metal with a purity of 99.5-99.7%.
[0066] Use 800-mesh and 2000-mesh corundum paper to polish the titanium substrate sequentially. After the grinding is completed, wash and remove oil with acetone and absolute ethanol in turn, and then put the titanium substrate after degreasing into a mixed solution of HF and ethylene glycol for ultrasonic corrosion for 20 minutes. The volume ratio of HF and ethylene glycol is 1:4. Finally, it was ultrasonically washed with secondary water, acetone, and absolute ethanol for 20 minutes, and dried in vacuu...
Embodiment 3
[0076] A kind of novel Ce-La co-doped high catalytic activity Ti / Ce-Lanano-TiO of the present embodiment The method for the electrocatalytic reduction of L-cystine of modified electrode, its steps are:
[0077] Step 1. Preparation of highly active Ti / Ce-Lanano-TiO modified by rare earth Ce and La co-doping 2 modified electrode
[0078]1) Using pure titanium metal as the substrate, the pure titanium metal mentioned here refers to titanium metal with a purity of 99.5-99.7%.
[0079] Use 800-mesh and 2000-mesh emery paper to polish the titanium substrate sequentially. After the grinding is completed, wash and remove oil with acetone and absolute ethanol in sequence, and then put the titanium substrate after degreasing into a mixed solution of HF and ethylene glycol for ultrasonic corrosion for 15 minutes. The volume ratio of HF and ethylene glycol is 1:4. Finally, it was ultrasonically washed with secondary water, acetone, and absolute ethanol for 15 minutes, and dried in vacuu...
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