Praseodymium-doped titanium-based tin dioxide-antimony electrode with high catalytic activity as well as preparation method and application of praseodymium-doped titanium-based tin dioxide-antimony electrode

The invention relates to a praseodymium-doped titanium-based tin dioxide-antimony electrode with high catalytic activity and a preparation method and application thereof.The preparation method comprises the steps that a titanium sheet serves as a substrate, the surface of the titanium sheet is coated with mixed isopropanol coating liquid of SnCl2. 2H2O, Sb2O3 and PrCl3, a coating layer is obtained after drying, calcining and cooling, and the praseodymium-doped titanium-based tin dioxide-antimony electrode is obtained after multiple layers are coated layer by layer and then annealed and cooled, the praseodymium-doped titanium-based tin dioxide-antimony electrode is used for electrocatalytic oxidation oxygen evolution. Compared with the prior art, the invention has the advantages of simple preparation method, high oxygen evolution potential, high electrocatalytic activity, lower cost and the like. 本发明涉及一种高催化活性的镨掺杂钛基二氧化锡-锑电极及其制备方法与应用，以钛片为基底，在其表面涂覆SnCl2·2H2O、Sb2O3、PrCl3的混合异丙醇涂覆液，经干燥、煅烧、冷却后得到涂覆层，逐层涂覆多层后退火冷却得到镨掺杂钛基