Iridium-Tin-Titanium (Ir-Sn-Ti) Anode
- IrO₂ and SnO₂ Mixed Metal Oxide (MMO) Anode
- Enhanced Corrosion Resistance
- High Catalytic Activity
- Stability and Durability
- High Current Density Capacity
- Environmental Compatibility
Product Superiority
Iridium-Tin-Titanium (Ir-Sn-Ti) Anode
Iridium-Tin-Titanium (Ir-Sn-Ti) Anode, composed of iridium oxide (IrO₂), tin oxide (SnO₂), and a titanium (Ti) substrate, also known as a Mixed Metal Oxide (MMO) anode, is an advanced electrode widely used in electrochemical applications such as water treatment, electroplating, and cathodic protection. These anodes are constructed by coating a titanium substrate with a mixture of iridium oxide (IrO₂) and tin oxide (SnO₂), enhancing their electrochemical performance and durability.
Specifications
| Property | Specification |
| Base Material | Titanium (Grade 1 or Grade 2) |
| Coating Composition | Iridium Oxide (IrO₂) and Tin Oxide (SnO₂) |
| Coating Thickness | Typically 6–12 µm |
| Coating Method | Thermal decomposition, sol-gel, or arc plasma deposition |
| Operating Voltage | Up to 24 V |
| Current Density | 500–800 A/m² |
| pH Range | 1–14 |
| Fluoride Content in Electrolyte | Less than 50 mg/L |
| Working Temperature | Below 85°C |
| Polarization Resistance | Less than 30 mV/10 mA/cm² at 1 A/cm² current density |
| Service Life | Over 1500 minutes under 1 A/cm² current density in 0.5 N H₂SO₄ |
Advantages of Iridium-Tin-Titanium (Ir-Sn-Ti) Anode
Enhanced Corrosion Resistance: The combination of iridium and tin oxides provides superior corrosion resistance, even in aggressive environments, extending the anode’s lifespan.
High Catalytic Activity: Iridium’s catalytic properties facilitate efficient oxygen evolution reactions, improving the overall efficiency of electrochemical processes.
Stability and Durability: These anodes exhibit long-term stability under continuous operation, reducing the need for frequent replacements and maintenance.
High Current Density Capacity: Ir-Sn-Ti anodes can operate at high current densities, making them suitable for processes that require a substantial electrical input.
Environmental Compatibility: Their design minimizes the release of harmful byproducts, aligning with environmental sustainability goals.
Application Areas
Applications
Oxygen Evolution Reaction (OER): IrO2 is known for its good OER activity, making it a potentially suitable anode for water electrolysis, metal electrowinning, and other processes involving oxygen evolution.
Chlorine Evolution Reaction (CER): Depending on the composition and preparation methods, Ir-Sn-Ti anodes might exhibit activity for chlorine evolution, making them relevant for chlor-alkali processes.
Water electrolysis: Particularly for oxygen evolution in acidic or neutral environments.
Electrochlorination: Efficient production of hypochlorite for water disinfection or bleaching purposes.
Organic electrosynthesis: Selective oxidation of organic compounds for chemical production.
Electrochemical sensors: Detection and quantification of various analytes, especially when high selectivity is required.
Wastewater treatment: Oxidation of specific organic pollutants or disinfection processes.
GSM
GSM
