Tuning Ni-O/Ni-S coordination for efficient electrocatalytic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid

Key Points

• The aim is to develop a sustainable catalyst for the electrochemical oxidation of HMF to FDCA using nickel.
• Development of a sulfur-doped nickel catalyst.
• Modification of Ni-O/Ni-S coordination to optimize catalytic performance.
• Assessment of electrocatalytic activity for HMF oxidation.
• The sulfur-doped catalyst shows enhanced electrocatalytic oxidation efficiency compared to non-doped variants.
• Significant modulation of electronic properties leads to improved reaction rates.
• The optimized coordination enhances the yield of FDCA from HMF.