Bifunctional Tailoring of Platinum Surfaces with Earth Abundant Iron Oxide Nanowires for Boosted Formic Acid Electro-Oxidation

Figure 7

Nyquist plots at open circuit potentials for bare Pt (a), FeOx/Pt (b), and a-FeOx/Pt (−0.5 V) (c) electrodes in 0.3 M FA (pH = 3.5).