Electrocatalytic methane oxidation to ethanol on iron-nickel hydroxide nanosheets

Methane oxidation to value-added chemicals under mild conditions remained a research challenge and has attracted continuous attention, owing fundamental interest practical significance. Herein we report study of electrochemical methane reaction (CH 4 OR) on iron-nickel hydroxide (Fe-Ni-OH) nanosheets with controlled composition. The Fe-Ni-OH catalysts exhibit interesting CH OR activity towards ethanol production in the Ni(II)?Ni(III) transition potential range show strong composition effect property, 9.09 mmol/g catalyst ·h formation rate, 87 % faradaic efficiency, 0.26 s ?1 turnover frequency achieved using Fe 3 Ni 7 (OH) x at 1.46 V vs. RHE. Density functional theory simulations situ infrared characterizations suggest III OOH as active site plausible pathways, barriers being altered that agrees experimental observations. We believe this provides new insights into electrocatalysis mechanisms offers theoretical guidance discovering advanced materials for effective conversion. • catalytic properties oxidation. efficiency (FE), are is identified OR.