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Product Features
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1Excellent Corrosion Resistance Titanium exhibits outstanding corrosion resistance in oxidative media and chloride ion environments, and can withstand the long-term erosion of acidic electrolytes such as copper sulfate, nickel sulfate, and zinc chloride. A dense oxide film (TiO₂) forms easily on its surface, which is highly stable and has a long service life (typically over 5 to 10 years).
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2Good Electrical Conductivity and Low Resistance Titanium itself has a relatively high resistivity, but its conductivity can be significantly enhanced and the cell voltage reduced by applying special surface treatments, such as coating with noble metal oxide layers, thereby saving electrical energy. Common coating materials include ruthenium-iridium (Ru-Ir) and platinum (Pt), which possess both catalytic activity and stability.
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3High Strength and Lightweight Titanium has a density of only 57% that of steel, yet its strength is close to that of common steel. It is easy to install and transport, and can withstand mechanical stress during the electrolysis process. It has good rigidity and is not prone to deformation under long-term current, ensuring the stability of the plate spacing.
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4Surface Characteristics Optimization The surface can undergo treatments such as sandblasting and activation to enhance the adhesion of the coating, or be designed with specific patterns to facilitate gas release (such as hydrogen evolution during electrolysis). The coating can reduce the overpotential for metal deposition and increase current efficiency.
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5Environmental Protection and Economy Long service life reduces replacement frequency and lowers maintenance costs. Titanium material is recyclable and requires less coating metal, meeting the requirements of green production.
Product Display
Application Field Analysis
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Hydrometallurgy (Electrolytic Extraction / Refining)Copper electrolysis: Used as the hanging ear of stainless steel cathode plates or as a substitute for some cathode components to produce high-purity cathode copper (above 99.99%).
· Zinc electrolysis: Serves as the cathode plate in zinc sulfate electrolyte to deposit zinc metal, resistant to acid corrosion and easy to strip the zinc layer.
· Nickel, cobalt, manganese electrolysis: Applied in sulfate or chloride systems, capable of withstanding high-temperature and strong acid environments. -
Electroplating IndustryAs insoluble cathodes or anodes, coating titanium cathodes are used in precious metal plating (such as gold plating and platinum plating), ensuring uniform current distribution.
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Chlor-alkali IndustryIn the ion-exchange membrane electrolytic cell, the titanium cathode plate serves as a component of the cathode chamber and is subject to the corrosion of high-temperature and high-concentration alkaline solution.
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Environmental Protection Field (Electrochemical Water Treatment)It is used in electrocoagulation, electro-Fenton and other processes to treat heavy metal-containing wastewater. The titanium substrate is corrosion-resistant and the coating has high catalytic activity.
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Preparation of New Energy MaterialsIt is used as a cathode carrier in the electrolysis of lithium battery material precursors (such as electrolytic manganese dioxide) and in the field of hydrogen energy (electrolysis of water for hydrogen production).
Conclusion
Titanium cathode plates, with their advantages of corrosion resistance, lightweight, long service life and modifiable coating, have become the core components of high-end electrolytic processes. With the improvement of efficiency and quality in hydrometallurgy and the rapid development of the new energy industry, their application scenarios will further expand. Technological innovation is focused on high-performance coatings, structural lightweighting and cost optimization to meet the demands of green manufacturing and energy conservation.
Baoji Special Steel Titanium Industry Co., Ltd. has been dedicated to researching and manufacturing composite electrode plate series products for nearly two decades. During this period, they have continuously improved the production equipment and gradually achieved production automation. Titanium cathodes and stainless steel cathode products have reached hundreds of thousands of pieces, which have been exported to countries such as South Africa, Chile, Zambia and Canada, and have established good long-term cooperative relationships with international renowned customers.
Frequently Asked Questions
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What is a titanium cathode plate and how does it work?A titanium cathode plate is an electrode component made from high-grade titanium substrate, often coated with noble metal oxides such as ruthenium-iridium (Ru-Ir) or platinum (Pt). In electrolytic processes, it serves as the cathode where metal ions from the electrolyte solution are reduced and deposited onto its surface. The titanium base provides structural integrity and corrosion resistance, while the coating enhances electrical conductivity and catalytic performance.
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Why is titanium preferred over other metals for cathode plates?Titanium offers a unique combination of properties that make it ideal for cathode plate applications. Its excellent corrosion resistance — thanks to a naturally forming TiO₂ oxide layer — allows it to withstand aggressive acidic and chloride-rich electrolytes. Additionally, titanium's high strength-to-weight ratio (density only 57% of steel) makes it easier to handle and install while maintaining structural stability during long-term electrolytic operations.
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What is the typical service life of a titanium cathode plate?Under normal operating conditions, titanium cathode plates typically have a service life of 5 to 10 years or more. The dense TiO₂ oxide film that forms on the titanium surface is highly stable and self-repairing, which significantly extends the working life of the plate. Proper maintenance and appropriate coating selection can further prolong service life and reduce overall replacement and maintenance costs.
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What industries commonly use titanium cathode plates?Titanium cathode plates are widely used across multiple industries, including hydrometallurgy (copper, zinc, nickel, cobalt, and manganese electrolysis), the electroplating industry (precious metal plating such as gold and platinum), the chlor-alkali industry, environmental protection (electrochemical wastewater treatment), and new energy material preparation (electrolytic manganese dioxide, hydrogen production via water electrolysis).
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What coating materials are used on titanium cathode plates?The most common coating materials applied to titanium cathode plates are ruthenium-iridium (Ru-Ir) oxide mixtures and platinum (Pt). These coatings are chosen for their excellent catalytic activity, electrical conductivity, and chemical stability. They help reduce overpotential during metal deposition, lower cell voltage, improve current efficiency, and extend the overall service life of the electrode under demanding electrolytic conditions.
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Are titanium cathode plates environmentally friendly?Yes, titanium cathode plates are considered an environmentally responsible choice for industrial electrolysis. Their long service life means fewer replacements and less material waste over time. Titanium is a fully recyclable metal, and the small amount of noble metal coating required minimizes resource consumption. These characteristics align with the goals of green manufacturing and energy-efficient industrial production.