Research / 2020 / Article / Fig 11

Review Article

Recent Advances in Single-Atom Electrocatalysts for Oxygen Reduction Reaction

Figure 11

Oxygen reduction reaction via 4e- pathway on SAECs with binary ligands. (a) LSV curves of as-prepared catalysts in alkaline solution. Reproduced from [77]. (b) Durability and methanol tolerance tests of as-prepared catalysts. Reproduced from [77]. (c) Proposed ORR mechanism on FeN4-B2. Reproduced from [55]. (d) DFT calculated ORR-free energy diagram on different Cu-based catalysts. Reproduced from [164]. (e) ORR-free energy diagram on as-prepared catalysts. Reproduced from [165]. (f) LSV curves of N, S, and P codoped single-atom Fe catalysts. Reproduced from [60]. (g) Linear relationship between Bader charge and OH binding energy of prepared single-atom Fe catalysts. Reproduced from [60]. (h) ORR mechanism on single-atom Mo catalysts. Reproduced from [166].
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