Table 1 OER performance of synthesized NPs with different nomimal Fe: Ni ratios and the corresponding pure NPs.
From: In-depth analysis of FeNi-based nanoparticles for the oxygen evolution reaction
Sample | Overpotential vs. RHE (mV) at j = 5 mA/cm2 | Overpotential vs. RHE (mV) at j = 10 mA/cm2 | Tafel slope (mV/dec) |
|---|---|---|---|
Fe | > 430 | > 430 | 154 ± 9 |
Fe: Ni = 3:1 | 430 ± 4 | > 430 | 72 ± 2 |
Fe: Ni = 2:1 | 380 ± 4 | 430 ± 7 | 71 ± 2 |
Fe: Ni = 3:2 | 340 ± 3 | 370 ± 8 | 70 ± 2 |
Fe: Ni = 1:1 | 300 ± 4 | 320 ± 7 | 38 ± 1 |
Fe: Ni = 2:3 | 280 ± 4 | 310 ± 5 | 33 ± 1 |
Ni | > 430 | > 430 | 105 ± 4 |
