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Product Overview
IrTa Titanium Anode for Oxygen Evolution is a high-performance mixed metal oxide (MMO) titanium electrode specifically engineered for oxygen evolution reaction (OER) applications. The electrode uses high-purity titanium as the substrate and is coated with iridium oxide and tantalum oxide through advanced thermal decomposition technology.
The oxygen evolution reaction is one of the most important electrochemical processes in industrial electrolysis systems. Compared with chlorine evolution systems, oxygen evolution environments are more demanding because of their higher oxidation potential and aggressive operating conditions. Therefore, the electrode material must provide exceptional catalytic stability, corrosion resistance, and dimensional stability.
IrTa Titanium Anode for Oxygen Evolution is recognized as one of the most reliable electrode solutions for acidic OER applications. The iridium oxide component delivers excellent oxygen evolution catalytic activity, while tantalum oxide significantly improves coating stability and operational lifetime.
Compared with conventional electrodes such as graphite, lead alloy, or stainless steel electrodes, the IrTa titanium anode demonstrates lower oxygen evolution overpotential, higher electrochemical efficiency, and longer service life.
As global industries continue to focus on hydrogen production, renewable energy systems, electrochemical oxidation, and advanced electrolysis technologies, IrTa Titanium Anode for Oxygen Evolution has become increasingly important in modern electrochemical engineering.
Key Features of IrTa Titanium Anode for Oxygen Evolution
Excellent Oxygen Evolution Catalytic Activity
The optimized Iridium-Tantalum oxide coating provides outstanding electrocatalytic performance for oxygen evolution reactions.
Low Oxygen Evolution Overpotential
The electrode reduces electrolysis voltage and energy consumption during operation.
Superior Corrosion Resistance
The titanium substrate combined with MMO coating provides excellent resistance against acidic and highly oxidizing environments.
Long Operational Lifetime
IrTa Titanium Anode for Oxygen Evolution can maintain stable electrochemical performance under continuous industrial operating conditions.
High Current Density Capability
Suitable for demanding electrolysis systems operating at high current densities.
Stable Electrode Dimensions
The titanium substrate ensures excellent dimensional stability during long-term electrolysis operation.
Customizable Structures
Available in multiple configurations:
- Titanium anode plate
- Titanium mesh anode
- Titanium rod anode
- Tubular titanium anode
- Custom fabricated electrodes
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | IrTa Titanium Anode for Oxygen Evolution |
| Substrate Material | Titanium Grade 1 / Grade 2 |
| Coating Type | Iridium Oxide + Tantalum Oxide |
| Coating Loading | 8–25 g/m² |
| Shape | Plate / Mesh / Rod / Tube |
| Current Density | Up to 15000 A/m² |
| Working Temperature | ≤ 85°C |
| Electrolyte Type | Acidic Electrolyte |
| Oxygen Evolution Efficiency | High |
| Processing Service | CNC / Welding / Cutting |
| Custom Manufacturing | Available |
Why Choose IrTa Titanium Anode for Oxygen Evolution
Oxygen evolution reaction systems require highly stable and efficient electrode materials because the oxygen evolution process operates under strong oxidative conditions. Conventional electrode materials often suffer from corrosion, unstable catalytic activity, or rapid degradation.
IrTa Titanium Anode for Oxygen Evolution addresses these problems through advanced MMO coating technology. The iridium oxide coating provides excellent catalytic activity for oxygen generation, while tantalum oxide enhances coating stability and resistance to electrochemical degradation.
This combination enables the electrode to operate efficiently under acidic conditions and high current density environments for extended periods.
The low oxygen evolution overpotential also contributes to reduced cell voltage and lower energy consumption. In industrial electrolysis systems, even a small reduction in operating voltage can significantly improve overall energy efficiency and reduce operating costs.
Additionally, the titanium substrate ensures excellent mechanical strength and dimensional stability, preventing electrode deformation during long-term operation.
These advantages make IrTa Titanium Anode for Oxygen Evolution one of the preferred electrode materials in advanced electrochemical industries.
Applications of IrTa Titanium Anode for Oxygen Evolution
PEM Water Electrolysis
Widely used in hydrogen production systems requiring stable oxygen evolution performance.
Electrochemical Oxidation
Suitable for advanced oxidation processes and wastewater treatment systems.
Industrial Electrolysis
Used in acidic electrolysis and oxygen generation systems.
Renewable Energy Systems
Applied in green hydrogen and energy conversion technologies.
Electrochemical Research
Suitable for laboratory-scale oxygen evolution experiments and catalyst testing.
Manufacturing Process

The production of IrTa Titanium Anode for Oxygen Evolution involves several critical manufacturing processes.
Step 1 — Titanium Surface Treatment
The titanium substrate is sandblasted, acid cleaned, and chemically treated to ensure strong coating adhesion.
Step 2 — Precision Machining
Titanium materials are machined into custom shapes according to customer requirements and engineering drawings.
Step 3 — IrTa Coating Application
The iridium-tantalum precursor solution is uniformly applied to the titanium substrate surface.
Step 4 — Thermal Oxidation
The coated titanium substrate undergoes thermal decomposition treatment to form a stable mixed metal oxide catalytic layer.
Step 5 — Final Inspection
Each finished IrTa Titanium Anode for Oxygen Evolution is inspected for:
- Coating uniformity
- Adhesion strength
- Surface quality
- Welding quality
- Dimension accuracy
Performance Advantages
| Electrode Type | Oxygen Evolution Efficiency | Corrosion Resistance | Lifetime |
|—|—|—|
| Graphite Electrode | Medium | Poor | Short |
| Lead Alloy Electrode | Medium | Medium | Medium |
| Stainless Steel Electrode | Low | Poor | Short |
| IrTa Titanium Anode for Oxygen Evolution | Excellent | Excellent | Long |
Available Customization
We support full customization for IrTa Titanium Anode for Oxygen Evolution.
Available services include:
- Custom dimensions
- Custom coating thickness
- Custom current density design
- Special welding terminals
- CNC machining
- Waterjet cutting
- Laser cutting
- OEM manufacturing
Customers can provide technical drawings or detailed specifications for production.
Quality Control
All IrTa Titanium Anode for Oxygen Evolution products are manufactured under strict quality control procedures.
Testing items include:
- Coating thickness inspection
- Surface roughness inspection
- Electrochemical performance testing
- Adhesion testing
- Welding inspection
- Dimension measurement
This ensures stable quality and reliable long-term electrochemical performance.
Packaging & Shipping
Products are packed using export-standard industrial packaging:
- Foam protection
- Waterproof packaging
- Wooden cases
- Export cartons
Worldwide shipping is available.
Application Scenario Diagram

Contact Us
Ready to enhance your electrolysis systems with the Ruthenium-Iridium Coated Titanium Anode Plate? Contact us today to get a quote tailored to your specific requirements.
Shaanxi Top Metal Co., Ltd
Address: Gaoya Industrial Park, Baoji, Shaanxi, China
Tel :+86 15291748279
WhatsApp:+86 15291748279 Click here to message us on WhatsApp
Fax: +86-917-3809358
Email: sales5@sxtopmetal.com
Website: www.sxtopmetals.com
We look forward to hearing from you!
Send your drawing or technical requirements, and we will provide a solution within 24 hours.













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