Time (min)
0
20
40
60
80
100
120
Electrochemical exfoliation
Graphene
Graphite rod
Mixing with
Nafion
Ultrasounds
Graphene ink
Carbon cloth electrode
Graphene-coated
carbon cloth electrode
H 2 O 2 electrogeneration
Graphene-coated cloth
Uncoated cloth
[H 2
O 2
](mM)
Coating of
carbon cloth
2.5
2.0
1.5
1.0
0.5
0.0
Fig. 11.2 Steps for the preparation of graphene-coated carbon cloth cathode. (Adapted from
Khataee and Hasanzadeh (2017), Copyright 2017, with permission from Springer Nature). The
graph represents the concentration of H 2 O 2 accumulated in 80 mL of 0.05 M K 2 SO 4 at pH 3.0 using
an undivided cell with a Pt anode and uncoated or graphene-coated carbon cloth cathode, all with
15 cm
2 area, at current density of 1.25 mA/cm
2
. (Adapted from Mousset et al. (2016a), Copyright
2016, with permission from Elsevier)
11 The Use of Nanomaterials in Electro-Fenton and Photoelectro-Fenton Processes
263