ArticleNature communications2025
Spatial engineering and d-orbital coupling in axial dual-atom sites for bifunctional oxygen catalysis.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Bioinspired Molecular Magnetic Field-Responsive Catalyst for On-Demand Switching of 2eNano-micro letters · 2026Article
- Rational Design of Covalent Organic Frameworks for Oxygen Electrocatalysis: Recent Advances and Mechanistic Insights.Nano-micro letters · 2026Review
- Amphiphilic Bonding Intercalation Reshapes Active Sites and Interlayer Microenvironment for Selective and Stable Seawater Oxidation.Advanced materials (Deerfield Beach, Fla.) · 2026Article
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Authors and funding
17 authors.
Funding
Abstract
Heterogeneous dual-atom catalysts (DACs) offer great potential to enhance electrocatalytic reaction kinetics and provide diverse active sites. However, achieving precise tuning of metal atom coordination in DACs remains a significant challenge. Here, the axial dual atom (ADA) embedded within a covalent organic framework and N-doped graphene, features an axial intermetallic distance tuned by alcohol solvent treatment, resulting in efficient bifunctional electrocatalysis of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). In situ X-ray absorption near-edge spectroscopy (XANES) and Raman spectroscopy reveal that Fe acts as the primary active center in the axially coordinated FeCo-ADA, with Co providing synergistic effects. The in-depth theoretical analysis elucidates that the axial Fe-Co orbital coupling results in optimized orbital energy levels, higher Fe oxidation state, weakened oxygen intermediate binding strength, and reduced reaction energy barrier. The zinc-air battery (ZAB) equipped with FeCo-ADA achieves a high peak power density of 464.5 mW cm
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