Comparison of related materials for OER electrocatalytic activity.

Electrodes	Concentration of H2SO4	η/mV (vs. NHE, 50 mA cm−2)	Reference
Ti/Sb–SnO2/Bi–PbO2	0.5 M	1046	54
Al/Pb–PANI–WC	1.53 M	941	8
Pure Pb	1.8 M	936	55
PbO2–Co3O4	1.63 M	858	56
PANI/CeO2/WC	1.53 M	856	57
Pb–CeO2	1.63 M	826	58
Pb–Co3O4	1.53 M	792	56
3D-Pb–Ag/F–PbO2	1.53 M	772	59
Pb–MnO2	1.63 M	765	60
3D-Ti/PbO2	1.53 M	758	14
PbO2–MnO2	1.63 M	719	61
Ti/PbO2–CeO2–graphite	1.53 M	648	19
Ti/TiO2-NTs/PbO2	1.53 M	630	This work