Accurate Assessment of the Oxygen Reduction Electrocatalytic Activity of Mn/Polypyrrole Nanocomposites Based on Rotating Disk Electrode Measurements, Complemented with Multitechnique Structural Characterizations

Table 1

Repeatability of RDE voltammograms (scan rate: 5 mV s⁻¹) at Mn/PPy catalyst in O₂-saturated 0.1 M KOH evaluated at 625 rpm and two values.

Applied potential, V/RHE	Current density, mA cm^−2
	mm		mm
	Average value	Standard deviation	Average value	Standard deviation
0.8	0.29627	0.032422	0.2841	0.001082
0.6	0,8248	0.125753	0.8803	0.005356
0.4	1.3697	0.142935	1.3090	0.016000
0.2	1.7189	0.114434	1.5957	0.019553