Energy Material Advances / 2021 / Article / Tab 2

Research Article

FeCo Nanoparticle-Loaded Nutshell-Derived Porous Carbon as Sustainable Catalyst in Al-Air Batteries

Table 2

ORR activity of each catalyst as quantified by onset potential, half-wave potential, and saturating current density.

SampleOnset potential, (V)Half-wave potential, (V)Saturating current density, (mA cm-2)Electron transfer number, Electrochemical double-layer capacitance, (mF)BET surface area, (m2 g-1)

C-Pistachio0.890.733.693.31.71246.4
FeCo/N-C-Pistachio0.930.834.493.80.3291.6
C-Peanut0.860.693.343.31.61173.1
FeCo/N-C-Peanut0.910.794.343.60.1235.6
Vulcan XC-72 carbon black0.820.683.092.83
Pt/C1.040.894.404

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