Research Article
Bifunctional Tailoring of Platinum Surfaces with Earth Abundant Iron Oxide Nanowires for Boosted Formic Acid Electro-Oxidation
Table 2
Electrochemical measurements obtained for FAO.
| | Electrodes | Id (mA cm−2) | Iind (mA cm−2) | Ib (mA cm−2) | Id/Iind | Id/Ib | Eonset (mV) | Rct (kΩ) |
| | Bare Pt | 1.6 | 0.7 | 5.1 | 2.3 | 0.31 | −140 | 82 | | FeOx/Pt | 6.4 | 0.7 | 11.1 | 9.1 | 0.58 | −170 | 80 | | a-FeOx/Pt (−0.5 V) | 8.7 | 0.5 | 12.6 | 17.4 | 0.7 | −170 | 64 | | a-FeOx/Pt (−0.9 V) | 6.6 | 1 | 11.8 | 6.6 | 0.56 | −166 | — | | a-FeOx/Pt (−1.3 V) | 9.5 | 0.9 | 16.5 | 10.6 | 0.58 | −153 | — |
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