Electronic Bridges-Stabilized Fe–Cu Twin-Sites Circumvent Scaling Relationship for Robust Acidic Oxygen Reduction
Hunan University · Hunan Normal University · +6 more institutions
Abstract
The acidic oxygen reduction reaction (ORR) as the soul process in proton-exchange membrane fuel cells, faces fundamental limitations due to linear scaling relations (LSR) among adsorption energies at active sites. This intrinsic constraint typically leads to trade-offs between activity enhancement and compromised selectivity/stability. Here, the second-shell coordination engineering was proposed to construct the heteronuclear twin-site FeCu (TW-FeCu) catalyst, that can directly cleave the O–O bond without formation of sluggish *OOH species to disrupt the LSR of intermediate adsorption and minimize the activation energy for O–O bond scission. This well-designed Tw-FeCu catalyst demonstrates superior activity…
Citation impact
- FWCI
- 20.47
- Percentile
- 100%
- References
- 62
Authors
8- SLShiyu Li
Hunan University, Hunan Normal University
- HJHuang Ji
Central South University, Hunan University, Powder Metallurgy Institute, Ministry of Education
- YJYan Jin
Hunan University, Hunan Normal University
- SLShuang Li
Hunan University, Hunan Normal University
- MLMeihuan LiuCorresponding
Central South University, Powder Metallurgy Institute
Topics & keywords
- Catalysis
- Heteronuclear molecule
- Selectivity
- Adsorption
- Cleave
- Scaling
- Rational design
- Work (physics)
- Affordable and clean energy