Probing electrosynthetic reactions with furfural on copper surfaces

Area of Science:

• Electrochemistry
• Catalysis
• Biomass Conversion

Background:

• Furfural is a key biomass-derived platform chemical.
• Selective conversion of furfural to value-added products is crucial for biorefineries.
• Copper-based catalysts are promising for furfural hydrogenation.

Purpose of the Study:

• To investigate the electrocatalytic reduction of furfural on copper electrodes.
• To understand the role of copper structure in product selectivity.
• To elucidate reaction pathways using operando spectroscopy.

Main Methods:

• Electrochemical reduction of furfural.
• Operando Raman spectroscopy.
• Characterization of copper electrode surfaces.

Main Results:

• Identified key structural differences in copper electrodes influencing selectivity.
• Demonstrated selective production of furfuryl alcohol or 2-methylfuran.
• Correlated electrode structure with catalytic performance.

Conclusions:

• Copper electrode structure is critical for controlling furfural electroreduction selectivity.
• Integrated electrochemical and spectroscopic methods provide mechanistic insights.
• This study offers pathways for designing efficient catalysts for biomass valorization.