fig6
![Modulation strategies of electrocatalysts for 5-hydroxymethylfurfural oxidation-assisted water splitting](https://image.oaes.cc/b1d06720-c409-44fa-a2ff-e872324a4fe4/microstructures3093.fig.6.jpg)
Figure 6. (A) Schematic diagram of synthesis and catalysis of Vo-NiO. (B) Adsorption infrared spectra of HMF on Vo-NiO and NiO surface. (C) The mechanism of HMFOR. In situ Raman spectra of prepared (D) Vo-NiO and (E) NiO in 1.0 M KOH with 100 mM HMF at different applied potentials. (F) Polarization curves of Vo-NiO, NiO, and Ni. Reproduced with permission[90]. Copyright 2022, Elsevier.