Electrochemical Oxidation of 5‐Hydroxymethylfurfural on Nickel Nitride/Carbon Nanosheets: Reaction Pathway Determined by In Situ Sum Frequency Generation Vibrational Spectroscopy

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  • Nana Zhang
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Yuqin Zou
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Li Tao
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Wei Chen
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Ling Zhou
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Zhijuan Liu
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Bo Zhou
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Gen Huang
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
  • Hongzhen Lin
    i-LAB, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO) Chinese Academy of Sciences Suzhou 215123 P. R. China
  • Shuangyin Wang
    State Key Laboratory of Chemo/Bio-Sensing and Chemometrics Provincial Hunan Key Laboratory for Graphene Materials and Devices College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China

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<jats:title>Abstract</jats:title><jats:p>2,5‐Furandicarboxylic acid was obtained from the electrooxidation of 5‐hydroxymethylfurfural (HMF) with non‐noble metal‐based catalysts. Moreover, combining the biomass oxidation with the hydrogen evolution reaction (HER) increased the energy conversion efficiency of an electrolyzer and also generated value‐added products at both electrodes. Here, the reaction pathway on the surface of a carbon‐coupled nickel nitride nanosheet (Ni<jats:sub>3</jats:sub>N@C) electrode was evaluated by surface‐selective vibrational spectroscopy using sum frequency generation (SFG) during the electrochemical oxidation. The Ni<jats:sub>3</jats:sub>N@C electrode shows catalytic activities for HMF oxidation and the HER. As the first in situ SFG study on transition‐metal nitride for the electrooxidation upgrade of HMF, this work not only demonstrates that the reaction pathway of electrochemical oxidation but also provides an opportunity for nonprecious metal nitrides to simultaneously upgrade biomass and produce H<jats:sub>2</jats:sub> under ambient conditions.</jats:p>

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