What is the relationship between scaling relations and electronic structure in oxygen reduction reactions (ORRs)?
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Scaling relations in oxygen reduction reactions (ORRs) are closely tied to the electronic structure of catalysts. Different catalyst configurations impact the activity of ORRs through variations in reaction kinetics and adsorption energies. For instance, the study by Li et al. demonstrates that the segregation of atomic clusters in NiO2/Ni1/Pd systems significantly influences the electronic structure, affecting ORR performance . Additionally, the work on graphite-conjugated catalysts (GCCs) highlights how modifications in functional groups and aromatic scaffolds can alter catalytic activity, breaking scaling relations and tuning the rate-determining step in ORRs . Furthermore, the use of intermetallic-distance-regulated atomic-scale bimetal assembly (ABA) can regulate the linear scaling relationship in ORRs, leading to enhanced kinetics and selectivity . These findings collectively emphasize the intricate interplay between scaling relations and electronic structure in optimizing ORR catalysts.
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| Papers (5) | Insight |
|---|---|
| The electronic structure in ORRs is regulated by intermetallic-distance-controlled bimetal assembly, breaking the linear scaling relationship and enhancing kinetics and selectivity through a dual-sites mechanism. | |
| Not addressed in the paper. | |
21 Feb 2023 | Scaling relations in ORRs correlate intermediate reaction energies of different steps. Electronic structure modifications can break these relations, impacting catalytic activity of graphite-conjugated catalysts. |
| Scaling relations in ORRs are influenced by electronic structure. Zirconium oxynitride's OOH*-OOH and GO*-GOH scaling deviates from standard ORR scaling, impacting catalytic activity. | |
1 Citations | Scaling relations in ORRs are influenced by the electronic structure, as demonstrated by the NiO2/Ni1/Pd catalyst showing optimized performance due to atomic cluster segregation affecting adsorption energies. |
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