Recent Advances in the Synthesis of 2,5-Furandicarboxylic Acid by 5-Hydroxymethylfurfural Electrooxidation
5-Hydroxymethylfurfural(HMF),as a top biomass-derived platform molecule,could be used to produce a variety of high value-added chemicals.Among them,2,5-furandicarboxylic acid(FDCA),as an oxidation product of HMF,was considered to be an effective alternative to the petroleum-based monomer terephthalic acid and played an important role in synthesizing renewable polyethylene 2,5-furandicarboxylate materials.In recent years,significant progress had been made in the synthesis of FDCA by electrocatalytic HMF oxidation(HMFOR).Based on a brief introduction of the reaction pathway for electrocatalytic synthesis of FDCA from HMFOR,this paper provided a detailed review of various efficient catalysts for electrocatalytic synthesis of FDCA from HMFOR,including noble metal catalysts,non-noble metal catalysts and non-metal catalysts.Among them,non-noble catalysts mainly included nickel-based,cobalt-based,copper-based,manganese-based and vanadium-based catalysts.In addition,electrocatalytic HMFOR coupled electrolytic water hydrogen evolution reaction(HER),carbon dioxide reduction reaction(CO2 RR),nitrogen reduction reaction(N2 RR),and other cathodic reduction reactions were also introduced.Finally,the future research directions and development prospects were proposed,with a view to provide a reference for the subsequent basic research and technological upgrading of electrocatalytic HMFOR.
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