Listar por tema "Ionic conductivity"
Mostrando ítems 1-6 de 6
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Acceptor doping effects on microstructure, thermal and electrical properties of proton-conducting BaCe0.5Zr0.3Ln0.2O3-δ (Ln = Yb, Gd, Sm, Nd, la or Y) ceramics for solid oxide fuel cell applications
(2016)In the present work, six materials belonging to Ln-doped BaCeO3-BaZrO3 system (Ln = Yb, Y, Gd, Sm, Nd, La) are prepared and characterized. The impact of the type of the acceptor dopant on i) the microstructure (relative ... -
Designing a protonic ceramic fuel cell with novel electrochemically active oxygen electrodes based on doped Nd0.5Ba0.5FeO3-: δ
(2018)The Fe-based perovskite-structured Nd0.5Ba0.5FeO3-δ (NBF) system represents the basis for developing promising electrode materials for solid oxide fuel cells with proton-conducting electrolytes. This study aims at investigating ... -
Insights on thermal and transport features of BaCe0.8-xZrxY0.2O3-delta proton-conducting materials
(2015)BaCe0.8-xZrxY0.2O3-delta-based materials (BCZYx, 0 <= x <= 0.8) are obtained through a modified citrate-nitrate combustion method at 1150 degrees C with following sintering at 1450 degrees C. Then their thermomechanical ... -
Proton-conducting BaCe0.5Zr0.3Ln0.2O3-δ (Ln = Yb, Gd, Sm, Nd, la or Y) ceramics for solid oxide fuel cell applications: Effects of acceptor-doping on microstructure, thermal and electrical properties
(2015)Six materials belonging to Ln-doped BaCeO3-BaZrO3 system (Ln = Yb, Y, Gd, Sm, Nd, La) are prepared and characterized in the present work. The impact of the type of the acceptor dopant on (i) the microstructure (relative ... -
Structural, electrical and transport properties of iron doped calcium titanates in view of applications for hydrogen production through the electrochemical conversion of water
(2009)The present work aims at the investigation of the structural, electrical and transport properties of a series of iron doped calcium titanates (CaTi1-xFexO3-δ) as membrane material for hydrogen production through the ... -
Structural, thermomechanical and electrical properties of new (1-x) Ce0.8Nd0.2O2-delta-xBaCe(0.8)Nd(0.2)O(3-delta) composites
(2014)In this work composite (1-x)Ce0.8Nd0.2O2-delta-xBaCe(0.8)Nd(0.2)O(3-delta) ceramics were prepared via the one-step citrate-nitrate combustion procedure, and characterised by TG-DSC, XRD analysis, and SEM. Their transport ...