Research / 2020 / Article / Fig 9

Review Article

Recent Advances in Single-Atom Electrocatalysts for Oxygen Reduction Reaction

Figure 9

Oxygen reduction reaction via 4e- pathway on SAECs with single metals. (a) Comparison of adsorbed O-containing species. Reproduced from [38]. (b) ORR overpotentials calculated on different samples. Reproduced from [139]. (c) ORR mechanism on the single-atom g-P-N1-Pt1 catalyst. Reproduced from [140]. (d) ORR polarization curves of as-prepared catalysts measured in alkaline solution. Reproduced from [67]. (e) Tafel slopes of as-prepared catalysts. Reproduced from [67]. (f) Durability tests of Mg-N-C in alkaline solution. Reproduced from [67]. (g) ORR polarization curves of as-prepared catalysts measured in acid electrolyte. Reproduced from [67]. (h) Durability tests of Mg-N-C in acid electrolyte. Reproduced from [67]. (i) Comparison of half-wave potentials for as-prepared catalysts. Reproduced from [67].
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