Titanium Anode Plate Platinum-coated Electrode Materials

Titanium anode plate is a type of electrode used in various electrochemical processes, including electroplating, electrowinning, and electrolysis. They are made of pure titanium or titanium alloy and have a specific surface treatment that makes them suitable for use as an anode in these processes.

The surface treatment of titanium anode plate involves creating a layer of titanium oxide on the surface of the plate. This layer is created through a process called anodization, which involves applying an electrical current to the titanium plate while it is immersed in an electrolyte solution. This process causes an oxide layer to form on the surface of the titanium, which provides protection against corrosion and increased durability.

Platinium-coated titanium electrode

detail of the titanium electrode

2. Depending on the coated titanium electrode, the oxygen evolution anode: The electrolyte is often an atmosphere with sulfuric acid. Tantalum anodes, tantalum-tin-titanium anodes, and high-yield titanium anodes are comparable products of our company.

3. Titanium serves as the foundation for the platinum-coated anode. The mesh size of the platinum titanium mesh is typically 12.5x4.5mm or 6x3.5mm, and the surface is coated with platinum. The thickness of the coating is typically 0.5-5um.

1. It is important to rule out (or at least identify) the presence of "chloride" and "phosphate" ions in the plating solution before employing platinum-coated titanium electrodes, and it is safe to check that there is no chemical composition that corrodes platinum-coated titanium electrodes. Use platinum-coated titanium electrodes to prolong the lifespan and prevent severe corrosion of the bottom substrate of platinum-coated titanium electrodes.

2. To ensure optimal performance and longevity of platinum-coated titanium electrodes, it is important to select a suitable electrochemical process. The current density of the electrode should be kept below 50A/dm2, while the tank pressure should be maintained below 10V. Exceeding these limits can lead to premature corrosion, dissolution, and coating failure, ultimately reducing the service life of the electrode. It is recommended to choose an anodizing process that does not form solid oxides, as this can prevent oxide thickening and passivation, which can negatively affect the conductivity of the platinum-coated titanium electrode. Anode breakdown is caused by the inherent characteristics of the titanium material itself. When the cell pressure exceeds 10V, the titanium surface in contact with the platinum coating begins to dissolve slightly, and complete breakdown occurs at 12V. At this point, the cell pressure can no longer be accurately measured and the current cannot be increased, resulting in anode damage. To ensure the safe and effective use of platinum-coated titanium electrodes, it is crucial to maintain a tank pressure below 10V. By following these guidelines, the platinum-coated titanium anode can provide reliable and efficient performance in various electrochemical processes.

3. The effective anode area, or the anode area below the liquid surface, should, in theory, be lower than the cathode's surface area. The anode will readily degrade and won't function normally if it is utilized when the anode area is smaller than the cathode area.

4. The plating tank's impedance will grow together with the pressure in the tank. When the tank voltage is higher than 10V, the current shouldn't be increased further; instead, it should be adjusted accordingly, such as by reducing the current by 10% and lengthening the plating time by 10%.

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