Tuning Surface Acidity of Mixed Conducting Electrodes: Recovery of Si‐Induced Degradation of Oxygen Exchange Rate and Area Specific Resistance
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202208182
Abstract: Metal oxides are an important class of functional materials, and for many applications, ranging from solid oxide fuel/electrolysis cells, oxygen permeation membranes, and oxygen storage materials to gas sensors (semiconducting and electrolytic) and catalysts, the… read more here.
Keywords: acidity; specific resistance; surface; area specific ... See more keywords
Modeling of oxygen exchange of oxide ceramics: effect of inert particles at the surface
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-019-04200-0
Abstract: The impact of inert particles located at the surface of mixed ionically/electronically conducting oxide ceramics on the oxygen exchange properties has been studied by numerical modeling of the underlying transport processes. In particular, the phenomenological… read more here.
Keywords: relaxation; surface; exchange; oxide ceramics ... See more keywords
Thermal Oxygen Exchange Cycles in Mixed Manganese Perovskites
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.08.168
Abstract: Abstract Oxygen exchange properties of a series of mixed manganese perovskites were studied using a thermocycling reactor system designed and built in-house. Experiments were carried out under 1200 °C, much lower than the 1500 °C often required… read more here.
Keywords: manganese perovskites; mixed manganese; thermal oxygen; exchange ... See more keywords
In situ TEM observations of Oxygen Surface Dynamics in CeO2 Cubes
Sign Up to like & getrecommendations! Published in 2017 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927617010637
Abstract: The fundamental steps and active sites in the oxygen reduction reaction (ORR) on reducible oxide surfaces is an outstanding fundamental problem in heterogeneous catalysis. For many applications, such as fuel cells, the oxygen exchange reaction… read more here.
Keywords: microscopy; surface; oxygen surface; reaction ... See more keywords
In Situ Impedance Analysis of Oxygen Exchange on Growing La0.6Sr0.4CoO3−δ Thin Films
Sign Up to like & getrecommendations! Published in 2018 at "ACS Applied Energy Materials"
DOI: 10.1021/acsaem.8b00586
Abstract: The further development of solid oxide fuel and electrolysis cells (SOFC/SOEC) strongly relies on research activities dealing with electrode materials. Recent studies showed that under operating conditions many perovskite-type oxide electrodes are prone to changes… read more here.
Keywords: thin films; 6sr0 4coo3; situ impedance; la0 6sr0 ... See more keywords
Enhanced oxygen exchange capacity in nano-structured vanadia–ceria multi-phase oxygen carriers for solar thermal fuel production
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta06471k
Abstract: Developing an efficient redox material is a fundamental and crucial step in sustainable hydrocarbon fuel production via solar energy-driven thermochemical redox cycles. read more here.
Keywords: enhanced oxygen; exchange capacity; fuel; fuel production ... See more keywords
Localized Oxygen Exchange Platform for Intravital Video Microscopy Investigations of Microvascular Oxygen Regulation
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Physiology"
DOI: 10.3389/fphys.2021.654928
Abstract: Intravital microscopy has proven to be a powerful tool for studying microvascular physiology. In this study, we propose a gas exchange system compatible with intravital microscopy that can be used to impose gas perturbations to… read more here.
Keywords: oxygen; localized oxygen; microscopy; physiology ... See more keywords
Kinetics of Oxygen Exchange and N2O Decomposition Reaction over MeOx/CeO2 (Me = Fe, Co, Ni) Catalysts
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16030929
Abstract: MeOx/CeO2 (Me = Fe, Co, Ni) samples were tested in an 18O2 temperature-programmed isotope exchange and N2O decomposition (deN2O). A decrease in the rate of deN2O in the presence of oxygen evidences the competitive adsorption… read more here.
Keywords: exchange n2o; meox ceo2; exchange; oxygen ... See more keywords