Browsing NTNU Open by Author "Bernuy-Lopez, Carlos"
Now showing items 1-9 of 9
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Compositional Engineering of a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) Nanocomposite Cathodes for Protonic Ceramic Fuel Cells
Rioja-Monllor, Laura; Bernuy-Lopez, Carlos; Fontaine, Marie-Laure; Grande, Tor; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2019)Compositionally engineered a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) (LBZ) nanocomposite cathodes were prepared by oxidation driven in situ exsolution of a single-phase material ... -
Effect of A-Site Cation Ordering on Chemical Stability, Oxygen Stoichiometry and Electrical Conductivity in Layered LaBaCo2O5+d Double Perovskite
Grande, Tor; Bernuy-Lopez, Carlos; Einarsrud, Mari-Ann; Høydalsvik, Kristin (Journal article; Peer reviewed, 2016)Abstract:The effect of the A-site cation ordering on the chemical stability, oxygen stoichiometryand electrical conductivity in layered LaBaCo2O5`δdouble perovskite was studied as a function oftemperature and partial ... -
Effect of A-Site Cation Ordering onChemical Stability, Oxygen Stoichiometry andElectrical Conductivity in Layered LaBaCo2O5+dDouble Perovskite
Bernuy-Lopez, Carlos; Høydalsvik, Kristin; Einarsrud, Mari-Ann; Grande, Tor (Journal article; Peer reviewed, 2016)The effect of the A-site cation ordering on the chemical stability, oxygen stoichiometry and electrical conductivity in layered LaBaCo2O5+δ double perovskite was studied as a function of temperature and partial pressure ... -
Effect of Cation Ordering on the Performance and Chemical Stability of Layered Double Perovskite Cathodes
Bernuy-Lopez, Carlos; Rioja-Monllor, Laura; Nakamura, Takashi; Ricote, Sandrine; O’Hayre, Ryan; Amezawa, Koji; Einarsrud, Mari-Ann; Grande, Tor (Journal article; Peer reviewed, 2018)The effect of A-site cation ordering on the cathode performance and chemical stability of A-site cation ordered LaBaCo2O5+δ and disordered La0.5Ba0.5CoO3−δ materials are reported. Symmetric half-cells with a proton-conducting ... -
Effect of CO2 Exposure on the Chemical Stability and Mechanical Properties of BaZrO3‐Ceramics
Sazinas, Rokas; Bernuy-Lopez, Carlos; Einarsrud, Mari-Ann; Grande, Tor (Journal article, 2016) -
High-performance La0.5Ba0.5Co1/3Mn1/3Fe1/3O3-δ – BaZr1-zYzO3-δ cathode composites via exsolution mechanism for protonic ceramic fuel cells
Rioja-Monllor, Laura; Ricote, Sandrine; Bernuy-Lopez, Carlos; Grande, Tor; O'Hayre, Ryan P.; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2018)A novel exsolution process was used to fabricate complex all-oxide nanocomposite cathodes for protonic ceramic fuel cells (PCFCs). The nanocomposite cathodes with La0.5Ba0.5Co1/3Mn1/3Fe1/3O3-δ – BaZr1-zYzO3-δ nominal ... -
Microstructural and compositional optimization of La0.5Ba0.5CoO3−δ—BaZr1−zYzO3−δ (z=0, 0.05 and 0.1) nanocomposite cathodes for protonic ceramic fuel cells
Rioja-Monllor, Laura; Bernuy-Lopez, Carlos; Fontaine, Marie-Laure; Grande, Tor; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2019)Cathodes are one of the key components of protonic ceramic fuel cells (PCFCs) requiring further development to enhance the performance of PCFCs. This encompasses the optimization of material compositions and microstructures, ... -
Processing of high performing composite cathodes for protonic ceramic fuel cells by exsolution
Rioja-Monllor, Laura; Bernuy-Lopez, Carlos; Fontaine, Marie-Laure; Grande, Tor; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2019)La0.5Ba0.5CoO3-δ-BaZrO3 (LB-BZ)-based composite materials were prepared by a modified Pechini sol-gel method combined with exsolution. Two different LB-BZ composites were prepared through two alternative thermal treatments ... -
Synthesis and Properties of YBaCo2O5+δ for Solid Oxide Fuel Cell Cathodes
Jørgensen, Simon Lindau (Master thesis, 2016)The layered double perovskite YBaCo2O5+δ was synthesised and characterised. The synthesis was done by solid-state reaction with several calcination steps at temperatures between 1000°C and 1130°C. The structure was ...