New Electrode Produces Clean Hydrogen Directly From Seawater Without Desalination
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📰 The quick summary: Researchers at the University of Sharjah have developed a new electrode that extracts hydrogen directly from seawater without desalination, offering a sustainable clean energy solution for coastal regions with limited freshwater resources.
📈 One key stat: The new technology achieves 98% Faradaic efficiency, converting nearly all electrical input into hydrogen gas output while maintaining performance for over 300 hours without degradation.
💬 One key quote: “Our system generates hydrogen at industrially relevant rates—1 ampere per square centimeter—with low energy input. This could revolutionize how we think about hydrogen production in coastal regions, especially in arid countries like the UAE, where freshwater is limited but sunlight and seawater are abundant,” said Yousef Haik, Professor of Mechanical and Nuclear Engineering at the University of Sharjah.
1️⃣ The big picture: Scientists at the University of Sharjah have created a breakthrough technology that produces hydrogen fuel directly from untreated seawater. This novel approach uses a multi-layered electrode that resists corrosion from seawater while efficiently extracting hydrogen at industrial scale rates. The process completely eliminates the need for expensive desalination plants, which typically cost hundreds of millions of dollars to build and operate. As global demand for clean energy grows, this innovation offers a practical solution for hydrogen production without depleting precious freshwater resources.
2️⃣ Why is this good news: This technology makes clean hydrogen production accessible in coastal regions where freshwater is scarce but seawater is abundant. The system operates with remarkable efficiency, converting 98% of electrical input into hydrogen gas output. By eliminating the need for desalination or chemical additives, the process reduces both costs and environmental impact significantly. The electrode’s durability—running for over 300 hours without performance loss—solves a major challenge in seawater electrolysis that has prevented widespread adoption. Coastal areas can now potentially establish solar-powered hydrogen farms that produce zero-emission fuel using only seawater and sunlight.
3️⃣ What’s next: The research team is advancing from lab-scale to pilot-scale testing to validate the technology in real-world outdoor conditions. They aim to develop a modular hydrogen generator powered by solar energy specifically designed for arid, coastal regions. The technology has already attracted interest from clean energy startups and regional innovation hubs looking to implement this seawater-based hydrogen production system.
Read the full story here: SciTechDaily – Game-Changing New Technology Can Squeeze Hydrogen From Seawater
