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Article Abstract
5-Hydroxymethylfurfural (HMF) can be oxidized to 2,5-furandicarboxylic acid (FDCA) for the production of biorenewable plastics to replace fossil resourced polyethylene terephthalate (PET). Development of a highly efficient electrocatalyst using renewable electricity as energy input is highly desired. In this work, Ru cluster-embedded Ni(OH) nanosheets [Ru/Ni(OH) ] were synthesized and exploited as electrochemical catalysts for the conversion of HMF to FDCA. Ru/Ni(OH) exhibited significantly improved current density (40 mA cm at 1.41 V vs. reversible hydrogen electrode) of over 7.7 times in comparison with Ni(OH) , and nearly 100 % conversion degree for HMF and 98.5 % selectivity towards FDCA were obtained. Operando Raman experiments revealed the catalysis was facilitated by the interconversion between Ni and Ni . Density functional theory calculations further revealed the effect of Ru clusters of Ni(OH) , thereby promoting HMF adsorption capacity on Ni sites to boost HMF oxidation activity. This work provides a novel strategy using Ru clusters to modify earth abundant Ni based catalyst for HMF oxidation to obtain high-value biomass-derived products.
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| http://dx.doi.org/10.1002/cssc.202200863 | DOI Listing |
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