Preparation method and application of doped diamond-ruthenium oxide composite coating electrode

The invention discloses a preparation method and application of a doped diamond-ruthenium oxide composite coating electrode, the doped diamond-ruthenium oxide composite coating electrode comprises a substrate and an electrode working layer arranged on the surface of the substrate, the electrode working layer is of a double-layer film structure and sequentially comprises a doped diamond film layer and a ruthenium oxide film layer from bottom to top, doped diamond particles are added into the ruthenium oxide film layer. The composite coating electrode combines the advantages of an oxide coating electrode and a doped diamond electrode, has a heterojunction effect, has good conductivity, corrosion resistance and mechanical strength, and can be used for electro-catalysis sewage degradation, chemical battery positive electrode light grids, electrochemical synthesis, electric signal detection, tail gas treatment and other related electrochemical fields. 本发明公开了一种掺杂金刚石-氧化钌复合涂层电极制备方法及其应用，包括基底以及设置于基底表面的电极工作层，所述电极工作层为双层膜