Dopant-Free Stabilization of Ruthenium Oxide via Metallic Ru-Induced d-Orbital Modulation for Acidic Water Electrolysis

Key Points

• To explore the stabilization of ruthenium oxide for enhanced performance in acidic water electrolysis.
• Utilized metallic Ru to modulate d-orbital characteristics of ruthenium oxide.
• Analyzed the intrinsic activity and stability trade-offs in OER electrocatalysts.
• Assessed the impact on proton exchange membrane water electrolysis (PEMWE) performance.
• Reported improved stability of ruthenium oxide electrocatalysts under acidic conditions.
• Indicated enhanced performance metrics in the oxygen evolution reaction.
• Demonstrated better scalability potential for carbon-neutral hydrogen production.