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. 2024 Jan 17;4(4):20220174. doi: 10.1002/EXP.20220174

TABLE 2.

Summary of g‐C3N4 for the ORR.

Catalyst Synthetic method Electrolyte E onset (vs RHE) E 1/2 (vs RHE) Electron transfer (n) Tafel slope (mV dec‐1) J L (mA cm‐1) Ref.
Graphitic‐C3N4@Carbon Template method 0.1 m KOH −0.10 V versus Ag/AgCl 3.8 −113 11.3 [150]
C3N7 Pyrolysis 0.1 m KOH 0.81 V 3.9 53.8 8.2 [157]
g‐C3N4 dots@graphene Hydrothermal 0.1 m KOH −0.02 V versus Ag/AgCl 0.09 V versus Ag/AgCl 3.72 59, 240 [156]
g‐C3N4@N‐G Ball milling 0.1 m KOH −0.02 V versus SCE −0.22 V versus SCE 4 [158]
Graphene platelet decorated carbon nitride Pyrolysis 0.1 m KOH 0.87 V 3.8 63 5.1 [159]
g‐C3N4@rGO Semi‐closed pyrolysis 0.1 m KOH −0.248 V versus Ag/AgCl −0.281 V versus Ag/AgCl 3.21 3.36 [160]
g‐C3N4 QD/g‐C3N4 sheet/rGO Ultrasonication 0.1 m KOH −0.075 V versus Ag/AgCl −0.210 V versus Ag/AgCl 3.9–4.2 −0.491 [161]
s‐g‐C3N4@GQDs Hydrothermal 0.1 m KOH −0.07 V versus Ag/AgCl 3.5 [162]
S‐doped C3N4‐mesoporous carbon Polycondensation 0.1 m KOH −0.11 V versus Ag/AgCl 4 30.9 [163]