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

Figure 5

AFM height images of the graphite (G) substrate as well as of the following: PPy60/G, Mn-PPy60/G, and Mn-PPy240/G electrodeposits.

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