Spin‐related electron transfer and orbital interactions in oxygen electrocatalysis

Y Sun, S Sun, H Yang, S **, J Gracia… - Advanced …, 2020 - Wiley Online Library
Oxygen evolution and reduction reactions play a critical role in determining the efficiency of
the water cycling (H2O⇔ H2+ 1 2 O2), in which the hydrogen serves as the energy carrier …

Design of local atomic environments in single‐atom electrocatalysts for renewable energy conversions

T Sun, S Mitchell, J Li, P Lyu, X Wu… - Advanced …, 2021 - Wiley Online Library
Single‐atom electrocatalysts (SAECs) have recently attracted tremendous research interest
due to their often remarkable catalytic responses, unmatched by conventional catalysts. The …

What is the Real Origin of the Activity of Fe–N–C Electrocatalysts in the O2 Reduction Reaction? Critical Roles of Coordinating Pyrrolic N and Axially Adsorbing …

X Hu, S Chen, L Chen, Y Tian, S Yao, Z Lu… - Journal of the …, 2022 - ACS Publications
Fe–N–C electrocatalysts have emerged as promising substitutes for Pt-based catalysts for
the oxygen reduction reaction (ORR). However, their real catalytic active site is still under …

Mesopore‐Rich Fe–N–C Catalyst with FeN4–O–NC Single‐Atom Sites Delivers Remarkable Oxygen Reduction Reaction Performance in Alkaline Media

L Peng, J Yang, Y Yang, F Qian, Q Wang… - Advanced …, 2022 - Wiley Online Library
Fe–N–C catalysts offer excellent performance for the oxygen reduction reaction (ORR) in
alkaline media. With a view toward boosting the intrinsic ORR activity of Fe single‐atom sites …

Asymmetric CoN3P1 Trifunctional Catalyst with Tailored Electronic Structures Enabling Boosted Activities and Corrosion Resistance in an Uninterrupted Seawater …

X Wang, X Zhou, C Li, H Yao, C Zhang… - Advanced …, 2022 - Wiley Online Library
Employing seawater splitting systems to generate hydrogen can be economically
advantageous but still remains challenging, particularly for designing efficient and high Cl …

Spin occupancy regulation of the Pt d-orbital for a robust low-Pt catalyst towards oxygen reduction

D Xue, Y Yuan, Y Yu, S Xu, Y Wei, J Zhang… - Nature …, 2024 - nature.com
Disentangling the limitations of OO bond activation and OH* site-blocking effects on Pt sites
is key to improving the intrinsic activity and stability of low-Pt catalysts for the oxygen …

Probing the oxygen reduction reaction intermediates and dynamic active site structures of molecular and pyrolyzed Fe–N–C electrocatalysts by in situ Raman …

J Wei, D **a, Y Wei, X Zhu, J Li, L Gan - ACS Catalysis, 2022 - ACS Publications
While FeN4 species are widely suggested as the active sites of noble-metal-free Fe–N–C
oxygen reduction reaction (ORR) electrocatalysts, the ORR mechanism, particularly the rate …

Insight into the Mechanism of Axial Ligands Regulating the Catalytic Activity of Fe–N4 Sites for Oxygen Reduction Reaction

KM Zhao, S Liu, YY Li, X Wei, G Ye… - Advanced Energy …, 2022 - Wiley Online Library
Identifying the actual structure and tuning the catalytic activity of Fe–N4‐based moieties, well‐
recognized high‐activity sites in the oxygen reduction reaction (ORR) are challenging …

In situ mechanistic insights for the oxygen reduction reaction in chemically modulated ordered intermetallic catalyst promoting complete electron transfer

S Mondal, D Bagchi, M Riyaz, S Sarkar… - Journal of the …, 2022 - ACS Publications
The well-known limitation of alkaline fuel cells is the slack kinetics of the cathodic half-cell
reaction, the oxygen reduction reaction (ORR). Platinum, being the most active ORR …

FeNC oxygen reduction electrocatalyst with high utilization penta‐coordinated sites

J Barrio, A Pedersen, SC Sarma, A Bagger… - Advanced …, 2023 - Wiley Online Library
Atomic Fe in N‐doped carbon (FeNC) electrocatalysts for oxygen (O2) reduction at the
cathode of proton exchange membrane fuel cells are the most promising alternative to …