Preparation of a Nitrogen-Doped Reduced Graphene Oxide-Modified Graphite Felt Electrode for VO²⁺/VO₂⁺ Reaction by Freeze-Drying and Pyrolysis Method

Figure 7

CV spectra of N-rGO-modified GF electrodes at a scan rate of 5 mV/s in the applied voltage range from 0 V to 1.6 V.