Platinized Titanium (Pt-Ti) Anode

Platinized Titanium (Pt-Ti) Anode

  • Platinized Titanium (Pt-Ti) anodes
  • Exceptional corrosion resistance
  • consistent electrochemical performance
  • High current density capacity
  • Cost-effectiveness over time
  • Environmental sustainability

Product Superiority

Platinized Titanium (Pt-Ti) Anode

Platinized Titanium (Pt-Ti) Anode is a specialized electrode used in electrochemical processes. It consists of a titanium substrate coated with a thin layer of platinum or platinum oxides. This combination leverages the mechanical strength and corrosion resistance of titanium with the excellent electrochemical properties of platinum.

Types of Platinized Titanium (Pt-Ti) Anode

1. Expanded Metal Mesh Anodes
Structure: A titanium sheet is expanded into a mesh pattern and then coated with platinum.
Advantages: Provides a high surface area, enhancing electrochemical efficiency.
Applications: Commonly used in electroplating, electrolysis, and cathodic protection systems.
Customization: Available in various mesh sizes and thicknesses to meet specific requirements.

2. Sheet or Plate Anodes
Structure: Flat titanium sheets or plates coated with platinum.
Advantages: Suitable for applications requiring a large surface area in a flat configuration.
Applications: Used in electrochemical reactors and large-scale industrial processes.
Customization: Available in various sizes and thicknesses.

3. Rod Anodes
Structure: Titanium rods coated with platinum.
Advantages: Ideal for applications requiring a compact and durable electrode.
Applications: Suitable for cathodic protection and electrochemical synthesis.
Customization: Available in different diameters and lengths.

4. Wire Anodes
Structure: Titanium wire coated with platinum.
Advantages: It offers flexibility and is suitable for applications that require intricate electrode configurations.
Applications: Used in electroplating, electroforming, and laboratory-scale electrochemical experiments.
Customization: Available in various gauges and lengths.

5. Tubular Anodes
Structure: Titanium tubes coated with platinum.
Advantages: Provides a high surface area and is suitable for applications involving fluid flow.
Applications: Commonly used in water treatment and electrochemical reactors.
Customization: Manufactured in various diameters and lengths to suit specific applications

Specifications

Property Specification
Base Material Commercially pure titanium (Grade 1 or 2)
Platinum Coating Thickness: 2.5–5 µm (standard); up to 10–20 µm for high-load applications
Coating Purity 99.99% pure platinum
Electrode Forms Available as mesh, sheet, rod, wire, tube, or perforated plate
Maximum Operating Voltage Up to 8–12 V; higher voltages may cause local corrosion
Current Density Suitable for applications requiring current densities up to 75 A/dm²
Service Life Approximately 8–16 mg of platinum consumed per ampere per year in seawater; up to 10,000 hours (~1 year) in specific applications

Advantages of Platinized Titanium (Pt-Ti) Anode

1. Exceptional Corrosion Resistance
The platinum coating offers outstanding resistance to corrosion, even in harsh environments like acidic or chloride-rich solutions. This durability ensures a long service life and consistent performance.
2. Stable Electrochemical Performance
Pt-Ti anodes exhibit low overpotentials for oxygen evolution and high current efficiency, leading to stable and predictable electrochemical reactions. This stability is crucial for processes like electroplating and water electrolysis.
3. High Current Density Capacity
These anodes can operate at high current densities, facilitating faster reaction rates and increased throughput in industrial applications.
4. Cost-Effectiveness Over Time
While the initial investment is higher than some alternatives, the longevity and reduced maintenance needs of Pt-Ti anodes result in lower total operational costs over time.
5. Eco-Friendly and Sustainable
The long lifespan and recyclability of Pt-Ti anodes contribute to environmental sustainability by reducing waste and the need for frequent replacements.

Application Areas

Applications

Water electrolysis: For hydrogen and oxygen production, especially in alkaline environments.
Chlor-alkali industry: Efficient chlorine and caustic soda production.
Wastewater treatment: Oxidation of organic pollutants and disinfection.
Electroplating: Deposition of metals and alloys.
Cathodic protection: Preventing corrosion of metallic structures.
Electrochemical sensors: Detection and quantification of various analytes.
Metal recovery: Extracting valuable metals from solutions.

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