Reverse electrodialysis (RED) is a technology that harvests energy from salinity gradients by driving ion transport across alternating membranes. Ruthenium-iridium (Ru-Ir) coated titanium anodes play a critical role in RED systems, combining high electrochemical activity with durability.Ru-Ir coated titanium anodes are essential for efficient reverse electrodialysis, balancing catalytic performance, durability, and cost-effectiveness. Their ability to withstand saline environments while maintaining low overpotential makes them ideal for salinity gradient energy conversion.
Advantages of Ru-Ir Coated Titanium Anodes
High Catalytic Activity:Low overpotential for hydrogen/oxygen reactions (e.g., 100–200 mV lower than Pt/C electrodes), improving energy conversion efficiency.
Corrosion Resistance:Stable in both acidic and alkaline electrolytes, with a service life of 3–5 years in continuous operation.
Conductivity & Stability:Titanium substrate ensures high electrical conductivity, while Ru-Ir oxide coatings prevent degradation from saltwater or brine exposure.
Cost-Effectiveness:Lower material cost than pure iridium or platinum anodes, with comparable electrochemical performance.
Comparison with Alternative Anodes
Application
Renewable Energy Generation:RED systems with Ru-Ir/Ti anodes generate 2–5 W/m² from seawater-river water gradients, suitable for remote power supply (e.g., ocean buoys, desalination pre-treatment).
Wastewater Energy Recovery:Recovers energy from industrial brines (e.g., fracking flowback water) by leveraging salinity differences, with Ru-Ir anodes maintaining 85–90% current efficiency.
Company profile
Qixin titanium Co.Ltd, is a leading manufacturer specializing in coated titanium anode. With an extensive historyand a wealth of expertise, we have been dedicated to providing high-quality products and solutions to variousindustries for many years.Our company was established 2006, and since then, we have accumulated 18 years of valuable manufacturingexperience. This experience has enabled us to master the art and science of producing top-notch coated titaniumanodes that meet the most stringent quality standards.We take pride in our state-of-the -art manufacturing facilities and a team of highly skilled professionals. Ourengineers and technicians are experts in the field, constantly researching and innovating to improve our productsand processes.
Production
1. Substrate treatment: it needs to be treated by roughing, cleaning and removing oil, which can increase the compactness of catalytic.
2. Brushing coating:After substrate treatment, it will be proceeded brush coated. The main coated content is platinum group metal, which is a kind of mixed solution.Then, heat treatment will be going on after drying.The whole procedure need to be repeated many times. This method is better to form thin oxide catalytic that is lamellar adhere to substrate surface.
Why Choose Us?
Unrivaled Product Quality
Crafted from premium titanium with precision and strict quality control, our anodes use advanced coating methods like thermal decomposition. Catalytic layers such as RuO₂-IrO₂ or SnO₂-Sb₂O₃ boost corrosion resistance, electrochemical activity, and lifespan.
Exceptional Performance
With low overpotential, our anodes cut energy use by up to 30% in electrochemical oxidation. High current efficiency enables fast degradation of organic pollutants, heavy metals, and PFAS across various wastewater types.
Customized Solutions
We customize anode coating, thickness, and structure. Our experts analyze your project to ensure cost-effective, optimized performance.
Extensive Industry Experience
Years of work in textiles, pharmaceuticals, and mining give us deep expertise for proactive problem-solving.
Comprehensive Technical Support
Our support covers installation, maintenance, troubleshooting, and staff training.
Sustainable and Environmentally Friendly
Designed to reduce energy use and heavy metal release, our anodes prioritize sustainability, with ongoing R&D for improvements.
Competitive Pricing
Despite top quality, optimized processes and supply chains make our anodes affordable.
Choose us for superior quality, performance, and service. Contact us to achieve your wastewater treatment goals.
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