Optimizing Reversible Exsolution and Phase Transformation in Double Perovskite Sr2Fe1.5‐xCoxMo0.5O6‐δ Electrodes for High‐Performance Symmetric Solid Oxide Cells (Small 52/2024)

Solid Oxide Cells In article number 2401628, Kang Taek Lee, Jae‐ha Myung, and co‐workers present a symmetrical electrode in a reversible solid oxide cell. The electrode material undergoes reversible exsolution of CoFe nanoparticles and phase transformation between double and Ruddlesden‐Popper perovs...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2024-12, Vol.20 (52), p.n/a
Main Authors: Jeon, Hyejin, Kim, Yo Han, Kim, Hyeonggeun, Jeong, Hyeongwon, Won, Bo‐Ram, Jang, Wonjun, Park, Chan‐ho, Lee, Kang Taek, Myung, Jae‐ha
Format: Article
Language:English
Subjects:
Atomic properties
Chemical reactions
double perovskite
Electrode materials
Electrodes
Electrolysis
Electrolytic cells
exsolution
nano catalyst
Nanoparticles
Oxidation
oxygen vacancy
Perovskites
phase transformation
Phase transitions
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Summary:Solid Oxide Cells In article number 2401628, Kang Taek Lee, Jae‐ha Myung, and co‐workers present a symmetrical electrode in a reversible solid oxide cell. The electrode material undergoes reversible exsolution of CoFe nanoparticles and phase transformation between double and Ruddlesden‐Popper perovskites, altering its atomic and nanoscale structures. The exsolved nanoparticles on the electrode scaffold enhance electrochemical activity and promote diverse reactions, including fuel oxidation and water electrolysis.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.202470393