Enhancing oxygen permeation via multiple types of oxygen transport paths in hepta-bore perovskite hollow fibers
Sign Up to like & getrecommendations! Published in 2017 at "Aiche Journal"
DOI: 10.1002/aic.15849
Abstract: Significance The multiple types of efficient oxygen transport paths were demonstrated in high-mechanical-strength hepta-bore Ba0.5Sr0.5Co0.8Fe0.2O3-δ hollow fiber membranes. These types of paths play a prominent role in enhancing oxygen permeation fluxes (17.6 mL min−1 cm−2… read more here.
Keywords: oxygen permeation; oxygen transport; transport paths; hepta bore ... See more keywords
Fluorine-doped barium cobaltite perovskite membrane for oxygen separation and syngas production
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.07.235
Abstract: Abstract Chemical bonds created between cations and oxygen ions perform a critical role in the oxygen permeability of perovskite oxides. Here, fluorine was doped into the O-sites of perovskite to weaken metal-oxygen bonds and successfully… read more here.
Keywords: oxygen; oxygen permeation; fluorine doped; oxygen permeability ... See more keywords
The oxygen-permeation property of doped-zirconia membrane at high temperature and in reduced condition
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.11.015
Abstract: Abstract Doped zirconia with fast oxygen ionic conduction can be applied to an oxygen ion transport membrane for the deoxidation from metal melts and the production of metals from molten metal oxides. For the application,… read more here.
Keywords: oxygen permeation; oxygen; permeation; high temperature ... See more keywords
Crystalline phases and oxygen permeation properties of mixed conductive (La, Ca)FeO3-
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2018.12.018
Abstract: Abstract A typical mixed conductive oxide with high oxygen permeability is La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF), which is applicable to oxygen separation membrane and to cathodes for solid oxide fuel cells. However, Sr and Co included in the… read more here.
Keywords: oxygen permeation; mixed conductive; crystalline phases; phases oxygen ... See more keywords
Two-step sintering technique for enhancing mechanical and oxygen permeation properties of dual-phase oxygen transport membranes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2021.03.050
Abstract: Abstract The present work involved the application of a two-step sintering (TSS) technique for typical Ce0.9Gd0.1O2−δ–La0.6Sr0.4Co0.2Fe0.8O3–δ (GDC–LSCF) composites and its effect on the microstructure and resultantly mechanical and O2-permeating properties. The samples obtained by conventional… read more here.
Keywords: two step; step sintering; oxygen; oxygen permeation ... See more keywords
Enhancement of oxygen permeation flux through the La1.5Sr0.5Ni1-Mn O4+δ ceramic membranes by manganese doping
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2021.09.035
Abstract: Abstract The single-phase La1.5Sr0.5Ni1-yMnyO4+δ (y = 0, 0.1, 0.2 and 0.3) dense ceramic membranes of different thickness were fabricated by sintering at 1350 °C in air. The oxygen permeation flux through the La1.5Sr0.5Ni1-yMnyO4+δ membranes slightly… read more here.
Keywords: manganese doping; oxygen permeation; 5ni1 ymnyo4; 5sr0 5ni1 ... See more keywords
Further improvements in oxygen permeation properties of La0.6Sr0.4Ti0.3Fe0.7O3−δ coated Ba0.5Sr0.5Co0.8Fe0.2O3−δ hollow fiber membrane
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2017.07.031
Abstract: Abstract Oxygen-permeable Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3−δ (BSCF) hollow fiber membranes was prepared by a phase inversion spinning process. In the second stage, La 0.6 Sr 0.4 Ti 0.3 Fe… read more here.
Keywords: oxygen permeation; permeation; hollow fiber; membrane ... See more keywords
Oxygen transport properties of tubular Ce0.9Gd0.1O1.95-La0.6Sr0.4FeO3−d composite asymmetric oxygen permeation membranes supported on magnesium oxide
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2016.09.060
Abstract: Abstract The oxygen permeation through dense Ce 0.9 Gd 0.1 O 1.95 – (La 0.6 Sr 0.4 ) 0.98 FeO 3−d dual-phase composite asymmetric membranes supported on a porous MgO tube was studied. The membranes… read more here.
Keywords: oxygen; oxygen permeation; composite asymmetric; air ... See more keywords
Synthesis and oxygen permeation of novel well-defined homopoly(phenylacetylene)s with different sizes and shapes of oligosiloxanyl side groups
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2018.04.031
Abstract: Abstract Six new silicon-containing phenylacetylenes having short oligosiloxane substituents with different sizes and shapes have been synthesized. Homopolymerization of the monomers yielded the corresponding homopoly(substituted phenylacetylene)s with high molecular weights and good solubility. These comb-shaped… read more here.
Keywords: oxygen permeation; oxygen; different sizes; sizes shapes ... See more keywords
Oxygen permeation mechanism in polycrystalline mullite at high temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Ceramic Society"
DOI: 10.1111/jace.14834
Abstract: The oxygen permeability of polycrystalline mullite wafers, serving as a model environmental barrier coating layer on SiC fiber-reinforced SiC matrix composites, was evaluated at temperatures above 1673 h with an oxygen tracer gas (18O2). Oxygen… read more here.
Keywords: oxygen permeation; oxygen; diffusion; po2 surface ... See more keywords
Zirconium and Yttrium Co-Doped BaCo0.8Zr0.1Y0.1O3−δ: A New Mixed-Conducting Perovskite Oxide-Based Membrane for Efficient and Stable Oxygen Permeation
Sign Up to like & getrecommendations! Published in 2022 at "Membranes"
DOI: 10.3390/membranes12090831
Abstract: Oxygen permeation membranes (OPMs) are regarded as promising technology for pure oxygen production. Among various materials for OPMs, perovskite oxides with mixed electron and oxygen-ion (e−/O2−) conducting capability have attracted particular interest because of the… read more here.
Keywords: 8zr0 1y0; 1y0 1o3; oxygen permeation; oxygen ... See more keywords