Peer-reviewed veterinary case report
A Universal AgP<sub>2</sub> Nanowire Modification Method Enabling Durable Anodes for Alkaline Seawater Electrolysis.
By Chen H et al.·2026·College of Materials Science and Engineering, China·View original on Europe PMC →
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Plain-English summary
This research focuses on improving a method for producing hydrogen from seawater, which is a promising way to create sustainable energy. The problem is that seawater has a lot of chloride ions, which can cause damage to the equipment over time. The study introduces a new technique that uses silver nanowires to create a protective layer on the electrodes, helping to prevent corrosion. The modified electrodes were tested and showed they could operate for over 600 hours without losing performance, even in very salty conditions. Overall, the treatment was successful in making the electrodes more durable for long-term use.
Abstract
Alkaline seawater electrolysis represents a prospective route for sustainable hydrogen production, yet the high Cl<sup>-</sup> concentration in seawater causes persistent anodic corrosion, severely limiting long-term operation. Here, a scalable and universal modification method is proposed to construct corrosion-resistant oxygen-evolution anodes through silver nanowire loading and subsequent phosphating treatment. This method is applicable to multiple anode platforms, such as Ni mesh, NiFe-LDH/Ni mesh, and NiCo-LDH/Ni mesh. During operation, AgP<sub>2</sub> nanowires are in situ converted into a continuous AgCl network that immobilizes Cl<sup>-</sup>, while simultaneously generated PO<sub>4</sub><sup>3-</sup> is adsorbed on the electrode surface, collectively establishing a negatively charged anion-protective layer that electrostatically repels free Cl<sup>-</sup> and thus significantly suppresses corrosive attack. As a result, the optimized NiFeP@AgP<sub>2</sub> NWs anode operated stably for over 600 h in a highly saline alkaline electrolyte and exceeded 1000 h in 1 M NaOH + 0.5 M NaCl electrolyte, with negligible performance decay. Furthermore, the magnified electrodes (∼100 cm<sup>2</sup>) fabricated by using this approach enable stable operation in an alkaline seawater electrolyzer with low energy consumption.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41972432