Corrosion-assisted heterogeneous nucleation for CoNiFe layered double hydroxides toward high-current methanol oxidation

Abstract

A corrosion-assisted strategy enables in situ growth of CoNiFe LDH on nickel foam for high-current-density methanol oxidation. Co incorporation modulates the electronic structures of Ni and Fe, regulates oxygen vacancies and enhances methanol adsorption. The catalyst delivers 1 A cm⁻² at 1.37 V for methanol oxidation with 120 h stability.