A Dual-Function Fe-Doped Co₃O₄ Nanosheet Array for Efficient OER and HER in an Alkaline Medium.

ABSTRACT: The electrocatalysts of heteroatom-doped non-precious metal oxide materials are of great significance for efficient and low-cost electrochemical water-splitting systems. Herein, an innovative Fe-doped Co₃O₄ nanoflake (Fe-Co₃O₄/NF) on nickel foam has been developed, which exhibits excellent electrocatalytic activity for both hydrogen evolution reactions (HERs) and oxygen evolution reactions (OERs). Benefiting from the synergy of the charge redistribution and d-band center shift caused by doping engineering, the as-obtained Fe-Co₃O₄/NF shows both excellent HER (η₁₀ = 196 mV) and OER (η₁₀ = 290 mV) activities with low Tafel slopes (109 mV dec^-1 for HER and 49 mV dec^-1 fo

SUBMITTER: Su Y 

PROVIDER: S-EPMC11902015 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature