Atomic-level interface engineering enables efficient and durable acidic hydrogen evolution of osmium under large current densities

Key Points

• The research aims to improve the efficiency and durability of osmium catalysts for hydrogen production.
• Evaluated the electrocatalytic performance of osmium under varied current densities.
• Applied atomic-level interface engineering techniques to optimize catalyst structure.
• Compared osmium with traditional platinum-based catalysts.
• Enhanced hydrogen evolution reaction efficiency observed in osmium electrocatalysts.
• Demonstrated durability under large current densities.
• Proposed osmium as a viable alternative to more costly platinum catalysts.