Iridium-tantalum coated titanium electrode

Iridium-Tantalum Coated Titanium Electrodes: Oxygen-Evolution Selection

An iridium-tantalum coated titanium electrode combines a titanium substrate with an IrO₂-Ta₂O₅ mixed oxide coating. Discuss this coating for oxygen-evolution requirements against the actual electrolyte, current density and duty cycle. It should not be treated as interchangeable with every chlorine-evolution electrode.

Anode Specification Checklist

Coating and Reaction Must Match the Electrolyte

Iridium-containing MMO coatings are used for chloride-free electrochemical requirements, while ruthenium-containing or iridium-ruthenium formulations are used for chlorine and hypochlorite generation. This is a selection starting point, not a universal suitability rule. Review the METAKEM MMO coating overview and confirm the coating for the actual process. For a chlorine-evolution inquiry, compare the Ru-Ir coated titanium electrode.

Service Life Requires an Operating Basis

Confirm the requested service life against coating specification, rated current, environment and duty cycle. A generic lifespan range is not an assurance for every installation. Provide target operating hours or design life and agree on the applicable design and acceptance basis.

Anode Procurement Questions

Can any MMO electrode replace an Ir-Ta electrode?
No. MMO is a coating family. Confirm formulation, electrolyte, geometry and operating duty before substitution.

Are current-density ranges transferable between processes?
Compare ratings only for the stated coating, active-area basis, electrolyte and duty cycle.

What is needed for an accurate quotation?
Provide the project or process, operating medium, current requirements, drawing, connections, quantity, target life and required documents. Confirm feasible supply and acceptance requirements for the order.

Request an Anode Quotation

Contact HYTi with the anode specification and project drawing or email jolina@bjhyti.com. Related products: MMO coated titanium anode selection and Ru-Ir chlorine-evolution electrodes. See our titanium anode application and procurement guide.

What Is Iridium–Tantalum Coated Titanium Electrode and How to Choose the Right One for Your Industry?

Iridium–tantalum coated titanium electrode is a high-performance dimensionally stable anode (DSA) designed for advanced electrochemical applications. It uses titanium as the base substrate and is coated with a mixed metal oxide layer primarily composed of iridium oxide (IrO₂) and tantalum oxide (Ta₂O₅). This coating system delivers excellent catalytic activity, outstanding corrosion resistance, and long operational life under harsh electrochemical conditions.

Confirm the Ir-Ta coating against the required anodic reaction, electrolyte and electrical duty. Chlorine-evolution requirements should be reviewed separately from oxygen-evolution requirements.

Confirm the Ir-Ta coating against the required anodic reaction, electrolyte and electrical duty. Chlorine-evolution requirements should be reviewed separately from oxygen-evolution requirements.

Features of Iridium-tantalum coated titanium electrode

Confirm coating durability against the operating current, environment and duty cycle.

Superior Resistance to Corrosion Damage

The titanium anode boasts outstanding anti-corrosion performance to withstand harsh acidic, alkaline and saline electrolyte environments for stable long-term operation.

Service-Life Design Basis

With stable coated active layers and robust titanium substrate, this anode achieves remarkably extended service cycles far exceeding conventional metal anode alternatives.

High Electrocatalytic Activity & Efficiency

Its specialized noble metal coating delivers excellent electrocatalytic performance, lowering cell voltage and improving overall electrolysis energy utilization efficiency.

Environmentally Friendly and Energy Saving

No harmful heavy metal dissolution occurs during electrolytic reactions, avoiding secondary pollution and complying with global environmental production standards.

Low Maintenance with Reduced Costs

Structurally stable with minimal electrode degradation in regular service, requiring few downtime checks and negligible spare part replacement costs.

Full Customization Solutions to Meet Your Specific Needs!

Customization Available (Size, Material, Coating, Shape, Lifespan & Installation)

 

 

Iridium–tantalum coated titanium electrodes can be fully customized according to industrial requirements:

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• Size & Dimensions: plate, mesh, rod, tube, or customized shapes
• Base Material: Gr1 or Gr2 titanium substrate
• Coating Composition: adjustable IrO₂/Ta₂O₅ ratio based on application
• Coating Thickness: optimized for service life and cost balance
• Current Density Design: tailored from low to ultra-high load systems
• Service-life target: provide the operating current, medium and duty cycle for a design review.
• Connection Type: threaded, welded, or integrated connectors
• Process-specific design: confirm the anodic reaction, electrolyte and coating before selecting the structure.

This flexibility ensures that each electrode matches precise operational conditions, improving system performance and reducing overall operational cost.

Why Choose Titanium Anode from HY Ti-Ni Import & Export?

At Hengyi Ti-Ni Import Export, we  specialize in titanium-based electrochemical materials with strong engineering capability in anode system design.

HY Ti-Ni Import & Export, located in Baoji High-tech Development Zone, is a professional manufacturer and exporter specializing in titanium anode technology. We integrate R&D, production, coating technology, and global export services under one system.

We strictly control every production stage, from titanium substrate selection to MMO coating and final electrochemical testing. Our products ensure stable performance, high efficiency, and long service life in industrial applications.

With strong OEM/ODM capability, fast delivery, and technical support, we serve global customers in wastewater treatment, electroplating, chlor-alkali, and cathodic protection industries. Our goal is to provide reliable, cost-effective, and high-performance titanium anode solutions for long-term cooperation.

 

 

Titanium Anode Purchase Guide: A Comprehensive Guide

When selecting an Iridium–tantalum coated titanium electrode, first define your working environment, including electrolyte type, temperature, and current density. These factors directly influence coating performance and electrode lifespan.

Next, choose the correct structure such as mesh, plate, rod, or tube based on equipment design. Then evaluate required durability and energy efficiency targets. Finally, optimize cost-performance balance by selecting suitable Ir-Ta coating composition.

For industrial applications, technical consultation is strongly recommended to avoid mismatched specifications. HY Ti-Ni Import & Export provides professional engineering support to ensure optimal selection of Iridium–tantalum coated titanium electrode for stable performance, high efficiency, and reduced operating cost.

 

 

What Is Iridium–Tantalum Coated Titanium Electrode?

 

 

 

 

Iridium–tantalum coated titanium electrode is an insoluble anode made from titanium substrate coated with iridium and tantalum mixed metal oxides. It is designed for high-efficiency electrochemical reactions in industrial environments.

It provides excellent corrosion resistance, strong catalytic activity, and long service life, making it suitable for demanding electrolysis applications.

Be used in a wide range of industries.

 

Water Treatment Industry

Electroplating Industry

Chlor-Alkali Industry

Marine Engineering

Hydrogen Energy Industry

Mining and Metal Recovery

How to Purchase the Suitable Titanium Anode

To select the correct Iridium-tantalum coated titanium electrode, consider the following factors:

To select the correct Iridium–tantalum coated titanium electrode, first provide detailed operating conditions such as electrolyte composition, temperature, and current density. These parameters determine coating design and structural configuration.

Then select the appropriate shape (mesh, plate, rod, or tube) based on system structure. Finally, confirm required service life and performance targets to balance cost and efficiency.

HY Ti-Ni Import & Export offers professional technical support to help customers choose the most suitable Iridium–tantalum coated titanium electrode, ensuring stable operation, high efficiency, and long-term cost savings.

 

FAQ

Q1: What is the main advantage of Iridium–tantalum coated titanium electrode?
It provides excellent corrosion resistance and high catalytic efficiency.

Q2: Where is it commonly used?
It is widely used in wastewater treatment, electroplating, and chlor-alkali industries.

Service life is agreed for the coating, rated current, environment and operating duty; request the applicable design basis.

Q4: Can it be customized?
Yes, size, coating composition, and structure can be fully customized.

Q5: Does it require maintenance?
It requires minimal maintenance due to its stable MMO coating performance.

 

Our Factory

MMO Titanium Anode | High Efficiency | Long Service Life | Eco-Friendly

Production site

State-of-the-art manufacturing for  titanium anodes, precision coating and quality control.

Choseing titanium substrate	Substrate Cutting	Sandblasting	Pickling
Laser Cutting Configure Precious Metal	Coating	Sintering	Packaging

Workshop

Precision machining and coating workshop for titanium anodes.

Titanium anode coating workshop	Thermal decomposition sintering furnace workshop	Titanium mesh anode production area	Pickling/surface treatment process
Pickling/surface treatment process	Quality inspection workshop	Worker operation photos	Panoramic view of a clean production line

Quality inspection

Rigorous testing for coating adhesion, electrochemical performance, and durability.

Dimension Inspection	Coating Thickness Testing	Coating Adhesion Testing	Microstructure Analysis
Conductivity Testing	Corrosion Resistance Testing	Bond Strength Testing	Final Inspection & Packaging

Packaging

Professional packaging to prevent damage and corrosion during transportation.

Document Review

Request the documents applicable to the supplier, product and order. Confirm their issuer, scope and validity rather than inferring conformity from an illustration.

ISO 9001:2015

ISO 14001:2015

CE Marking

RoHS Compliant