ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2024
Electron Spin Broken-Symmetry of Fe-Co Diatomic Pairs to Promote Kinetics of Bifunctional Oxygen Electrocatalysis for Zinc-Air Batteries.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Active Site Engineering in Fe-N-C for Efficient Oxygen Reduction.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- Synergistic Charge Redistribution in a Dual-Atomic Fe-CoNSmall (Weinheim an der Bergstrasse, Germany) · 2026Article
- Harnessing and Suppressing Electron Spin-State Transitions: From Decoding to Rational Design of High-Performance Cathodes for Alkali-Ion Batteries.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- DFT-Guided Design of a Multi-Enzyme Mimetic High-Entropy Nanozyme for Cascaded Glutathione Detection and Point-of-Care Testing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Zinc Assisted Thermal Etching for Rich Edge-Located Fe-NAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Electron Spin Broken-Symmetry of Fe-Co Diatomic Pairs to Promote Kinetics of Bifunctional Oxygen Electrocatalysis for Zinc-Air Batteries.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
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Authors and funding
15 authors.
Funding
Abstract
Designing bifunctional catalysts to reduce the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) reaction barriers while accelerating the reaction kinetics is perceived to be a promising strategy to improve the performance of Zinc-air batteries. Unsymmetric configuration in single-atom catalysts has attracted attention due to its unique advantages in regulating electron orbitals. In this work, a seesaw effect in unsymmetric Fe-Co bimetallic monoatomic configurations is proposed, which can effectively improve the OER/ORR bifunctional activity of the catalyst. Compared with the symmetrical model of Fe-Co, a strong charge polarization between Co and Fe atoms in the unsymmetric model is detected, in whom the spin-down electrons around Co atoms are much higher than those spin-up electrons. The seesaw effect occurred between Co atoms and Fe atoms, resulting in a negative shift of the d-band center, which means that the adsorption of oxygen intermediates is weakened and more conducive to their dissociation. The optimized reaction kinetics of the catalyst leads to excellent performance in ZABs, with a peak power density of 215 mW cm
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