Experimental and theoretical work demonstrates proton cascade programming to improve hydrogen production efficiency in catalysts, indicating significant advancements in catalyst design.
Key Points
The study aims to enhance hydrogen evolution reaction performance through advanced proton management techniques in single-atom catalysts.
Proposed a domino-type proton provision-conversion-spillover programming for Pt SACs.
Utilized ultrathin porous nitrogen-doped carbon encapsulated TiN nanowires as dual-support structures.
Conducted experimental and theoretical analyses to assess catalyst performance.
Achieved Pt mass activity of 153.5 A/mg Pt at -100 mV, far exceeding typical Pt/C catalysts.
Demonstrated sustained operational stability at 1 A/cm2 for 1200 hours at low voltage of 1.75 V.
Showed interfacial proton accessibility as a key factor in enhancing catalyst activity.