Fig. 11.4 SEM images of (a) pure Fe 3 O 4 and (b) fresh Fe 3 O 4 /GDE. (c) Schematic illustration of
the hetero-EF mechanism with the latter cathode. (Adapted from Zhang et al. (2017), Copyright
2017, with permission from Elsevier). (d) Schematic illustration of Acid Orange 7 (AO7) degradation in the hetero-EF system with a Pt anode and a CoFe–LDH/CF cathode). (Adapted from
Ganiyu et al. (2017), Copyright 2017, with permission from The Royal Society of Chemistry)
the hetero-EF mechanism with the latter cathode. (Adapted from Zhang et al. (2017), Copyright
2017, with permission from Elsevier). (d) Schematic illustration of Acid Orange 7 (AO7) degradation in the hetero-EF system with a Pt anode and a CoFe–LDH/CF cathode). (Adapted from
Ganiyu et al. (2017), Copyright 2017, with permission from The Royal Society of Chemistry)