Acidity of surface-infiltrated binary oxides as a sensitive descriptor of oxygen exchange kinetics in mixed conducting oxides
Improving the kinetics of O2 reduction on oxide surfaces is critical in many energy and fuel
conversion technologies. Here we show that the acidity scale for binary oxides is a powerful …
conversion technologies. Here we show that the acidity scale for binary oxides is a powerful …
Behavior of oxygen vacancies in single-crystal SrTiO: Equilibrium distribution and diffusion kinetics
18 O/16 O exchange and subsequent time-of-flight secondary ion mass spectrometry (ToF-
SIMS) analysis was employed to investigate the transport of oxygen, and thus the behavior …
SIMS) analysis was employed to investigate the transport of oxygen, and thus the behavior …
Ba0. 5Sr0. 5Co0. 8Fe0. 2O3− δ thin film microelectrodes investigated by impedance spectroscopy
The electrochemical properties of geometrically well-defined Ba0. 5Sr0. 5Co0. 8Fe0. 2O3− δ
(BSCF) microelectrodes have been investigated by impedance spectroscopy. The …
(BSCF) microelectrodes have been investigated by impedance spectroscopy. The …
Electronic structure and thermodynamic stability of double-layered surfaces: Ab initio simulations
E Heifets, S Piskunov, EA Kotomin, YF Zhukovskii… - Physical Review B …, 2007 - APS
Using the B3PW hybrid exchange-correlation functional within density-functional theory and
employing Gaussian-type basis sets, we calculated the atomic and electronic structures and …
employing Gaussian-type basis sets, we calculated the atomic and electronic structures and …
Using 18 O/16 O exchange to probe an equilibrium space-charge layer at the surface of a crystalline oxide: method and application
RA De Souza, M Martin - Physical Chemistry Chemical Physics, 2008 - pubs.rsc.org
The use of an 18O/16O exchange experiment as a means for probing surface space-charge
layers in oxides is examined theoretically and experimentally. On the basis of a theoretical …
layers in oxides is examined theoretically and experimentally. On the basis of a theoretical …
Structural and functional properties of SrTi1− xFexO3− δ (0⩽ x⩽ 1) for the use as oxygen transport membrane
F Schulze-Küppers, SFP Ten Donkelaar… - Separation and …, 2015 - Elsevier
Perovskitic oxides are widely investigated as oxygen transport membrane materials for the
efficient generation of pure oxygen or the use in membrane reactors. However, most of high …
efficient generation of pure oxygen or the use in membrane reactors. However, most of high …
Oxygen diffusion and surface exchange in the mixed conducting oxides SrTi 1− y Fe y O 3− δ
Oxygen transport in the mixed ionic–electronic conducting perovskite-oxides SrTi1−
yFeyO3− δ (with y= 0.5 and y= 1.0) was studied by oxygen isotope exchange …
yFeyO3− δ (with y= 0.5 and y= 1.0) was studied by oxygen isotope exchange …
Reversal of chronic surface degradation of Sr (Ti, Fe) O3 perovskite-based fuel cell cathodes by surface acid/base engineering
The major barrier to commercialization of solid oxide fuel cells (SOFCs) is to overcome long-
term surface degradation during operation. Sr/Co-based perovskite cathodes have been …
term surface degradation during operation. Sr/Co-based perovskite cathodes have been …
Mechanical properties and lifetime predictions of dense SrTi1-xFexO3-δ (x= 0.25, 0.35, 0.5)
RO Silva, J Malzbender, F Schulze-Küppers… - Journal of the European …, 2017 - Elsevier
New oxygen transport membrane materials based on SrTi 1-x Fe x O 3-δ, synthesized
through solid state reaction and processed via tape casting were characterized with respect …
through solid state reaction and processed via tape casting were characterized with respect …
Recent advances in the understanding of the influence of surface chemistry and microstructure on the functional properties of solid oxide cell air electrodes
O Celikbilek, M Burriel - Nanoengineered Materials for Solid …, 2023 - iopscience.iop.org
The quest for intermediate-temperature solid oxide cell air electrodes has led to novel
compositions and microstructures, new surface activation strategies, as well as smart …
compositions and microstructures, new surface activation strategies, as well as smart …