Products Description
Iridium tantalum titanium anode (Ir-Ta MMO anode) is a high-performance electrode widely used in electroplating, water treatment, and electrolysis systems. Compared with traditional lead anodes, it provides lower oxygen evolution overpotential, longer service life, and higher current efficiency, making it the preferred solution for modern industrial electrochemical processes.
At Ehisen, we manufacture custom iridium tantalum coated titanium anodes with controlled coating loading and stable performance, helping global customers reduce operating cost and improve production stability.

What is Iridium Tantalum Coated Titanium Electrode?
Iridium tantalum coated titanium electrode is a specialized electrode widely used in various electrolysis processes, including metal extraction, electroplating and organic reduction. This electrode is designed to provide superior performance and durability even in the most demanding applications.
One of the main advantages of iridium-tantalum coated titanium electrodes is their resistance to extreme oxidation. This means that the electrode is resistant to the corrosive effects of oxidation, which can cause electrode degradation and reduce the performance and life of the electrode. In addition, iridium-tantalum-coated titanium electrodes have a lower oxygen evolution overpotential, helping to increase the efficiency of the electrolysis process and reduce the risk of adverse reactions.


Iridium tantalum coated titanium electrodes are made by coating a titanium electrode with a thin layer of iridium and tantalum. The coating enhances the surface properties of the electrode, providing better corrosion resistance and higher conductivity. The improved surface properties of iridium-tantalum coated titanium electrodes make them an ideal solution for a variety of applications, including electrochemical bonding, electroplating and medical implants.
When selecting electrodes for electrolysis processes, iridium-tantalum coated titanium electrodes are an excellent choice. The electrode's exceptional performance, durability and versatility provide a reliable and high-performance solution for a wide range of applications.

Product Parameters
1. Substrate Metal Chemical Composition:
|
Grade |
N |
C |
H |
Fe |
O |
Ti |
|
Gr1 |
0.03 |
0.08 |
0.015 |
0.20 |
0.18 |
bal |
|
Gr2 |
0.03 |
0.08 |
0.015 |
0.30 |
0.25 |
bal |
2.Substrate Metal Mechanical Properties:
|
Grade |
Tensile strength(min) |
Yield strength(min) |
Elongation (%) |
||
|
ksi |
MPa |
ksi |
MPa |
||
|
Gr1 |
35 |
240 |
25 |
170 |
30 |
|
Gr2 |
50 |
345 |
40 |
275 |
25 |
3.Iridium oxide coated titanium electrode specifications:
| Parameter | Specification |
|---|---|
| Substrate | Grade 1 / Grade 2 Titanium |
| Coating Type | Iridium-Tantalum Oxide (Ir-Ta) |
| Coating Loading | 6–15 g/m² (customizable) |
| Current Density | 500–3000 A/m² |
| Operating Temperature | ≤ 60°C (custom design available) |
| Electrolyte | Acidic / Neutral systems |
| Service Life | 2–5 years (depending on conditions) |
| Shape | Plate, mesh, rod, tube, wire |
Advantages of Iridium-Tantalum Coated Titanium Electrodes:
Longer Service Life
Ir-Ta coating offers significantly longer lifetime than traditional electrodes, reducing replacement frequency.
01
Lower Energy Consumption
Lower oxygen evolution overpotential helps reduce operating voltage and energy cost.
02
Excellent Chemical Stability
Resistant to corrosion in harsh electrolytes, including acidic environments.
03
No Heavy Metal Pollution
Ideal replacement for lead anodes in environmentally regulated industries.
04
Fully Customizable Design
We support customized size, shape, coating loading, and masking areas based on your drawings.
05
Product Application

Applications of iridium-tantalum coated titanium electrodes
plating
Iridium oxide-coated titanium anodes, also known as MMO anodes, play a key role in the electroplating process by attracting metal ions from the electrolyte and depositing the metal onto the substrate.
Iridium oxide-coated titanium anodes offer several advantages in the electroplating process compared to other anode types. First, they last longer and require less maintenance, saving time and money in the long run. Secondly, they are highly resistant to corrosion, which ensures that they can withstand the harsh conditions of the electroplating process. In addition, iridium oxide-coated titanium anodes have high electrical conductivity, which allows them to function effectively in the electroplating process. This, coupled with their durability and corrosion resistance, makes them ideal for electroplating applications.
Electrolytic electronic aluminum foil
The use of iridium-tantalum-coated titanium electrodes, also known as MMO anodes, is critical to the formation of the aluminum foil. During the aluminum foil production process, the anode is used to transmit electric current, causing the aluminum in the electrolyte to electrolyze.
The use of iridium-tantalum coated titanium electrodes in aluminum foil production can increase the efficiency and effectiveness of the process. Their high conductivity, corrosion resistance and long service life make them a reliable and cost-effective solution for aluminum foil production needs


lectrolytic electronic copper foil
Iridium-tantalum coated titanium electrodes have become the main material for electrolytic production of copper foil. These anodes act as attractants for metal ions in the electrolyte solution, ultimately depositing them onto a substrate to form the desired copper foil. There are many advantages to using iridium oxide coated titanium anodes in the production of electrolytic copper foil. Their electrical conductivity, corrosion resistance and long service life make them a cost-effective and reliable solution in the production of electrolytic copper foil.
water treatment
Electrochemical disinfection and electrocoagulation using iridium-tantalum-coated titanium electrodes are efficient and environmentally friendly methods of water treatment because they do not involve the use of chemicals that may harm the environment or leave harmful residues in the water. Additionally, iridium oxide-coated titanium anodes last longer than other anode types, making them more cost-effective in the long run.
Iridium-tantalum coated titanium electrodes are widely used in water and wastewater treatment due to their excellent electrochemical properties. They are essential for ensuring the safety and quality of drinking water and wastewater and offer several advantages such as high efficiency, cost-effectiveness and being very environmentally friendly.

Iridium Tantalum Anode vs Lead Anode
| Feature | Ir-Ta Titanium Anode | Lead Anode |
|---|---|---|
| Service Life | 2–5 years | 3–6 months |
| Energy Consumption | Low | High |
| Environmental Impact | Eco-friendly | Toxic |
| Maintenance | Low | Frequent |
| Current Efficiency | High | Low |
FAQ
Q: What is the typical coating loading of Ir-Ta anode?
Q: Can Ir-Ta anodes replace lead anodes?
Q: What is the expected service life?
Q: What is the delivery time?
Q: What are the shapes of customized iridium-tantalum-titanium electrodes?
Q: What makes Ehisen's iridium-tantalum-titanium electrodes unique?
About uS
Ehisen Metal Materials Co., Ltd.
With nearly 20 years of experience, Ehisen has the expertise and capabilities to manufacture any type of titanium anode you require. Our in-house production of raw materials and strict quality control processes give us a significant advantage over our competitors. We offer very competitive prices and ensure that every product meets the highest quality standards. Choose Ehisen for your titanium anode needs and experience the difference in quality and value.
If our current range of titanium electrodes doesn't meet your needs, don't worry, our team can work with you to create a custom design that suits your requirements.
If you have trouble installing a titanium electrode, our team of experienced engineers are here to help and guide you step-by-step on how to install it, ensuring your electrode is up and running quickly.
Our sales team and engineers are standing by to assist you with your application. Just provide us with your detailed requirements and we'll help you choose the right anode and ensure your project runs properly.

Contact Us
we are here for you
● 15+ years experience in titanium anode manufacturing
● ISO9001 certified production system
● Advanced coating technology and strict QC
● Cooperation with leading electrochemical companies
● Fast response and global delivery
+86 18700703333 Elsa lin
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