Superb Enhancement of Hydrogen Evolution in an Acidic Medium over a Cobalt Oxide Surface with Trace Incorporation of Rhodium Particles.

ABSTRACT: Integration engineering is commonly used for the morphological development of electrocatalysts for promoting hydrogen evolution reactions (HER) due to their distinctive structures, whereas modifying the crystallinity can give the electrocatalyst unique properties that enhance its performance for HER. Herein, we successfully anchored rhodium (Rh) nanoparticles in Co₃O₄ thin film on a graphite (GP) surface. The obtained catalyst exhibits great HER catalytic performance in a 0.5 M H₂SO₄ medium. Interestingly, our findings show that the electrode prepared with 1-cycle (1c) electrodeposition of Rh onto Co₃O₄@GP (Rh1c/Co₃O₄@GP) surpasses the HER performance of multiple cycles of Rh deposition onto Co₃

SUBMITTER: Rashid KH 

PROVIDER: S-EPMC12809353 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature