Titanium Coated Anodized Custom-Shaped Parts

Our Titanium Coated Anodized Custom-Shaped Parts are high-performance electrochemical components manufactured from premium titanium substrates, precision-machined into customer-specific geometries, and then coated with advanced mixed metal oxide coatings.

1.Customization

We tailor dimensions to meet customer requirements. If you have drawings, feel free to send them to us.

2.Coating Options

Our titanium anodized machined parts can be further enhanced with precious metal oxide coatings for electrochemical applications. Choose the right coating based on your electrolyte environment and performance requirements.

• Ruthenium-Iridium Coating (Ru-Ir)

Best for: Chlorine evolution (chlor-alkali, seawater electrolysis, hypochlorite generation)

Composition: Mixed metal oxide of ruthenium (RuO₂) and iridium (IrO₂)

Catalytic activity: High for chlorine evolution reaction (CER)

Overpotential: Low chlorine overpotential → energy efficient

Stability: Excellent in chloride-rich, acidic environments

Typical Applications:

Chlor-alkali industry

Sodium hypochlorite generators

Cathodic protection anodes (in seawater)

• Iridium-Tantalum Coating (Ir-Ta)

Best for: Oxygen evolution (electrowinning, electroplating, wastewater treatment, cathodic protection in soil/fresh water)

Composition: Mixed metal oxide of iridium (IrO₂) and tantalum (Ta₂O₅)

Catalytic activity: High for oxygen evolution reaction (OER)

Overpotential: Low oxygen overpotential → stable performance

Stability: Excellent in acidic sulfate or nitrate media; high corrosion resistance

1.Titanium Coated Anodized Custom-Shaped Parts used in disinfection

After energization, during the reaction with the saline solution, electrolysis produces acidic water and alkaline water. The current and voltage can be adjusted as needed to achieve the desired outcome.

2.Titanium Coated Anodized Custom-Shaped Parts used in cathodic protection

Using electrochemical reactions, the metal to be protected (such as steel structures) is connected to the negative terminal of a direct current power source, while a titanium anode serves as a sacrificial anode connected to the positive terminal. By applying an external current, the electrode potential of the protected metal is forcibly lowered, transforming it into a cathode. This causes a reduction reaction to occur on its surface instead of the corrosive oxidation reaction. Simultaneously, the titanium anode undergoes an oxidation reaction at the positive terminal, such as chlorine evolution or oxygen evolution.     

Surface preparation – Grit blasting + acid etching of titanium substrate

Precursor solution – Metal chlorides dissolved in organic solvent

Brush/Spray coating – Even application onto prepared surface

Thermal decomposition – Sintering at a specific temperature to form mixed oxide layer

Repeat – Multiple layers to achieve desired loading

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