A solid state electrochemical device for studying thermodynamic and transport properties of non-stoichiometric oxides: Application to ceria

• Published in: Solid state ionics Vol. 370; p. 115705
• Main Authors: Garcia, Philippe, Steil, Marlu Cesar, Miard, Audrey, Douguet-Bronnec, Erwin, Fournet-Fayard, Franck, Fouletier, Jacques
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.11.2021; Elsevier BV; Elsevier
• Subjects: Cerium oxide; Cerium oxides; Chemical diffusion; Chemical potential of oxygen; Chemical Sciences; Conductivity; Coulometers; Coulometric titration; Defect behaviour; Electric potential; Electromotive forces; Material chemistry; Nernst equation; Non-stoichiometry; Open circuit voltage; Perturbation; Relaxation method (mathematics); Sample holders; Solid state; Solid state physics; Spectrum analysis; Thermodynamics; Titration; Transport properties; Vapor phases; Yttria-stabilized zirconia; Yttrium oxide; Zirconium dioxide; Coulometric titration; Chemical potential of oxygen; Defect behaviour; Chemical diffusion; Cerium oxide; Non-stoichiometry; Nernst equation; non-stoichiometry; cerium oxide; chemical potential of oxygen; coulometric titration; defect behaviour; chemical diffusion

•Original and versatile setup for characterizing non-stoichiometric oxides using coulometric titration and EMF method.•Theoretical analysis of EMF measurement in inhomogeneous MIEC.•Out of equilibrium measurements of chemical diffusion and solid-gas exchange coefficients for ceria. An electrochemica...