Phase transition with <i>in situ</i> exsolution nanoparticles in the reduced Pr<sub>0.5</sub>Ba<sub>0.5</sub>Fe<sub>0.8</sub>Ni<sub>0.2</sub>O<sub>3−<i>δ</i></sub> electrode for symmetric solid oxide cells
Yunfeng Tian, Caichen Yang, Yuhao Wang, Min Xu, Yihan Ling, Jian Pu, Francesco Ciucci, John T. S. Irvine, Bo Chi
Abstract
A novel, highly active perovskite catalyst Pr 0.5 Ba 0.5 Fe 0.8 Ni 0.2 O 3− δ was developed. Thanks to its phase transition and exsolved nanoparticles, the quasi symmetric solid oxide cells show favorable electrochemical performance and stability.
Topics & Concepts
NanoparticleMaterials sciencePerovskite (structure)Phase transitionIn situCatalysisTransition metalOxideElectrochemistryPhase (matter)NanotechnologyChemical engineeringCrystallographyElectrodePhysical chemistryCondensed matter physicsChemistryPhysicsMetallurgyOrganic chemistryBiochemistryEngineeringAdvancements in Solid Oxide Fuel CellsElectronic and Structural Properties of OxidesMagnetic and transport properties of perovskites and related materials