Preparation method of rare earth Pr (praseodymium)-Dy (dysprosium) doped nanometer titanium-based tin dioxide-antimony double coating electrode
A tin dioxide and nano-titanium technology, applied in chemical instruments and methods, electrodes, electrolytic components, etc., can solve problems such as poor bonding force, poor bonding force between coating and substrate, and low life expectancy
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[0018] The preparation method of rare earth praseodymium and dysprosium joint doping nano-titanium-based tin dioxide-antimony double-coated electrode, the steps are as follows:
[0019] (1) Prepare mixed solution I with crystalline tin tetrachloride, antimony trichloride and praseodymium oxide according to the ratio of ion molar concentration Sn:Sb:Pr=100:5~7:0.75~1.25, and ultrasonic 10 at 70~100Hz ~30min, standing and aging for 1~2h to prepare Pr-doped sol I;
[0020] (2) Prepare mixed solution II with crystallized tin tetrachloride, antimony trichloride and dysprosium oxide according to the ratio of ion molar concentration Sn:Sb:Dy=100:5~7:0.75~1.25, and ultrasonicate at 70~100Hz for 10 ~30min, standing and aging for 1~2h to obtain Dy-doped sol II;
[0021] (3) Put the treated electrode matrix into the Pr-doped sol I prepared in step (1), let it stand for 4 to 8 minutes, dry, repeat 3 to 5 times, and then put the coated electrode matrix into Carry out pre-sintering in a m...
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