Description
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Product Overview
IrTa Titanium Rod Anode is a high-performance mixed metal oxide (MMO) titanium electrode manufactured using high-purity titanium rod substrate coated with iridium oxide and tantalum oxide. The electrode is specially designed for demanding oxygen evolution and industrial electrolysis applications requiring excellent electrocatalytic activity, superior corrosion resistance, and stable long-term operation.
Compared with conventional electrode materials such as graphite rods, stainless steel electrodes, and lead alloy electrodes, IrTa Titanium Rod Anode offers significantly improved electrochemical performance and operational stability under aggressive electrolysis conditions.
The iridium-tantalum MMO coating system provides excellent catalytic activity for oxygen evolution reactions (OER). Iridium oxide improves oxygen evolution efficiency and lowers overpotential, while tantalum oxide enhances coating durability and corrosion resistance.
The rod structure provides excellent mechanical strength, stable conductivity, and flexible installation capability. Compared with plate electrodes, titanium rod anodes are easier to install in compact electrolysis equipment and cylindrical reaction systems.
IrTa Titanium Rod Anode is widely used in PEM water electrolysis, electrochemical oxidation, industrial wastewater treatment, electrochemical disinfection, laboratory electrochemical systems, and advanced industrial electrolysis equipment.
The titanium rod substrate maintains excellent dimensional stability during long-term electrolysis operation, ensuring stable electrode spacing and consistent electrochemical performance.
As electrochemical industries increasingly demand long-lifetime and high-efficiency electrode materials, IrTa Titanium Rod Anode has become an important solution for modern industrial electrochemical systems.
Key Features of IrTa Titanium Rod Anode
Excellent Oxygen Evolution Performance
The Iridium-Tantalum MMO coating provides outstanding catalytic activity for oxygen evolution reactions.
Superior Corrosion Resistance
The titanium substrate and MMO coating system offer excellent resistance to acidic and oxidative environments.
Rod Structure Design
The rod structure provides stable conductivity and flexible installation capability.
Low Oxygen Evolution Overpotential
The optimized MMO coating reduces operating voltage and energy consumption.
High Mechanical Strength
The titanium rod substrate provides excellent structural stability during electrolysis operation.
Long Operational Lifetime
IrTa Titanium Rod Anode maintains stable electrochemical performance during continuous industrial operation.
Customizable Rod Structures
Available in different:
- Rod diameters
- Rod lengths
- Coating loadings
- Welding terminal structures
- Surface designs
Technical Specifications

| Parameter | Specification |
|---|---|
| Product Name | IrTa Titanium Rod Anode |
| Substrate Material | Titanium Grade 1 / Grade 2 |
| Coating Type | Iridium Oxide + Tantalum Oxide |
| Structure Type | Titanium Rod Anode |
| Rod Diameter | Customized |
| Rod Length | Customized |
| Coating Loading | 8–25 g/m² |
| Current Density | Up to 15000 A/m² |
| Operating Temperature | ≤ 85°C |
| Application | Oxygen Evolution / Electrolysis |
| Custom Manufacturing | Available |
Why Choose IrTa Titanium Rod Anode
In industrial electrolysis systems, electrode structure directly affects current distribution, conductivity stability, and installation flexibility.
Compared with conventional electrode materials, IrTa Titanium Rod Anode provides superior electrochemical performance and excellent long-term operational stability.
The iridium oxide component provides high oxygen evolution catalytic activity and low overpotential, helping reduce energy consumption and improve electrolysis efficiency. Meanwhile, tantalum oxide significantly enhances coating durability and corrosion resistance under aggressive electrochemical conditions.
The rod structure design offers several additional advantages:
- Easy installation
- Excellent mechanical strength
- Stable conductivity
- Flexible system integration
- Suitable for cylindrical reactors
Compared with graphite and stainless steel electrodes, IrTa Titanium Rod Anode demonstrates:
- Lower operating voltage
- Higher electrochemical efficiency
- Longer service life
- Better corrosion resistance
- Stable electrode dimensions
These advantages make the product highly suitable for oxygen evolution systems, electrochemical oxidation processes, industrial electrolysis, and advanced water treatment applications.
Applications of IrTa Titanium Rod Anode
PEM Water Electrolysis
Used in hydrogen production systems requiring stable oxygen evolution performance.
Electrochemical Oxidation
Suitable for industrial wastewater treatment and advanced oxidation systems.
Industrial Electrolysis
Applied in acidic electrolysis and oxygen generation systems.
Electrochemical Disinfection
Used in sterilization and electrochemical disinfection equipment.
Laboratory Electrochemical Systems
Suitable for research laboratories and pilot electrochemical systems.
Manufacturing Process
The manufacturing process of IrTa Titanium Rod Anode includes several precision production procedures.
Step 1 — Titanium Rod Preparation
The titanium rod substrate is sandblasted, acid cleaned, and chemically treated to improve coating adhesion.
Step 2 — Precision Machining
Titanium rods are machined according to customer specifications and engineering drawings.
Step 3 — MMO Coating Application
Iridium and tantalum precursor solutions are uniformly applied onto the titanium rod surface.
Step 4 — Thermal Decomposition Treatment
The coated titanium rod undergoes controlled heat treatment to form a stable mixed metal oxide catalytic layer.
Step 5 — Final Inspection
Each finished IrTa Titanium Rod Anode product is tested for:
- Coating adhesion
- Surface quality
- Rod dimensional accuracy
- Welding quality
- Electrochemical performance
Performance Comparison
| Electrode Type | Conductivity Stability | Corrosion Resistance | Lifetime |
|—|—|—|
| Graphite Rod Electrode | Medium | Poor | Short |
| Stainless Steel Rod | Medium | Poor | Short |
| Lead Alloy Electrode | Medium | Medium | Medium |
| IrTa Titanium Rod Anode | Excellent | Excellent | Long |
Available Customization
We support complete customization for IrTa Titanium Rod Anode.
Available services include:
- Custom rod diameter
- Custom rod length
- Custom coating loading
- Special welding terminals
- CNC machining
- Waterjet cutting
- OEM manufacturing
Customers can provide drawings or technical specifications for production.
Quality Control
All IrTa Titanium Rod Anode products are manufactured under strict quality control procedures.
Inspection items include:
- Coating thickness inspection
- Adhesion testing
- Surface inspection
- Welding inspection
- Electrochemical testing
- Dimension measurement
This ensures stable product quality and reliable long-term industrial performance.
Packaging & Shipping
Products are packed using industrial export packaging standards:
- Foam protection
- Waterproof packaging
- Wooden cases
- Export cartons
Worldwide shipping is available.

Application Scenario Diagram

Contact Us
Ready to discuss this titanium anode for your application? 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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