Scalable NiFe layered double hydroxides for efficient electrocatalytic seawater oxidation at high current density

Key Points

• The aim is to enhance seawater electrolysis for green hydrogen production by addressing chloride-induced corrosion.
• Utilized sulfate-intercalated NiFe layered double hydroxides as a catalyst for seawater oxidation.
• Conducted electrolysis experiments to test efficiency at high current densities.
• Assessed corrosion resistance using various analytical techniques.
• Significant improvement in electrocatalytic activity for seawater oxidation observed.
• Chloride corrosion effects were effectively mitigated, enhancing long-term stability.
• High current densities were achieved without compromising performance.