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Mar. 20, 2025
The new coating technology has significantly improved the performance of titanium anodes through material innovation and process optimization, especially in terms of catalytic activity, corrosion resistance, conductivity and service life. The following is a detailed analysis of how new coatings improve the performance of titanium anodes:
Improving catalytic activity
Optimization of precious metal oxides: The new coating uses a composite formula of precious metal oxides such as iridium, ruthenium, and tantalum to improve the catalytic activity of the electrode surface. For example, iridium-tantalum coatings show higher redox reaction efficiency in electrolytic water treatment.
Nanomaterial doping: The introduction of nanoscale materials (such as nano-titanium dioxide, carbon nanotubes, etc.) into the coating increases the specific surface area of the electrode and improves the catalytic reaction rate.
Enhanced corrosion resistance
Multi-layer composite structure: The new coating adopts a multi-layer design (such as the bottom layer is a corrosion-resistant layer and the surface layer is a catalytically active layer), which effectively isolates the corrosion of the corrosive medium on the titanium substrate.
High-stability materials: The use of more corrosion-resistant precious metal oxides such as iridium-tantalum, ruthenium-iridium, etc., extends the service life of titanium anodes in harsh environments. For example, iridium-tantalum coatings show excellent corrosion resistance in seawater desalination.
Dense coating process: Through advanced processes such as thermal decomposition and electrodeposition, the coating is ensured to be dense and free of pores, reducing the possibility of penetration of corrosive media.
Extended service life
Enhanced coating adhesion: Advanced coating processes (such as plasma spraying or magnetron sputtering) are used to ensure a stronger bond between the coating and the titanium substrate.
Summary
New coating technologies have comprehensively improved the performance of titanium anodes through material innovation and process optimization, bringing them to new heights in terms of catalytic activity, corrosion resistance, conductivity and service life. These advances have not only promoted the application of titanium anodes in water treatment, electroplating, chlor-alkali industry and other fields, but also provided important technical support for solving electrode performance problems in extreme environments.
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