Functional nanoceramics for intermediate temperature solid oxide fuel cells and oxygen separation membranes

V Sadykov, V Usoltsev, N Yeremeev… - Journal of the European …, 2013 - Elsevier
This work reviews results of research aimed at design and characterization of mixed ionic–
electronic conducting perovskite–fluorite nanocomposite oxide ceramics. Nanocrystalline …

Recent progress and challenges in mixed ionic–electronic conducting membranes for oxygen separation

Y Kwon, GD Nam, G Lee, S Choi… - Advanced Energy and …, 2022 - Wiley Online Library
Carbon neutrality refers to the state of making net‐zero emissions of carbon dioxide (CO2),
which is a key concept in tackling global warming. It can be achieved by offsetting carbon …

Interaction of O2 with LSM–YSZ Composite Materials and Oxygen Spillover Effect

MV Ananyev, NM Porotnikova, VA Eremin… - ACS …, 2021 - ACS Publications
The interaction between gas-phase oxygen and LSM–YSZ (LSM is La0. 6Sr0. 4MnO3±δ;
YSZ is ZrO2· Y2O3 electrolyte) composite catalytic materials was studied by the in situ …

Dramatically enhanced oxygen fluxes in fluorite-rich dual-phase membrane by surface modification

JH Joo, KS Yun, Y Lee, J Jung, CY Yoo… - Chemistry of …, 2014 - ACS Publications
Dual-phase ceramic membranes with very high oxygen flux have been designed by taking
into account the volume fraction of the fluorite phase, membrane thickness, and surface …

Contribution of the surface exchange kinetics to the oxygen transport properties in Gd0. 1Ce0. 9O2− δ–La0. 6Sr0. 4Co0. 2Fe0. 8O3− δ dual-phase membrane

JH Joo, GS Park, CY Yoo, JH Yu - Solid State Ionics, 2013 - Elsevier
The oxygen permeability of a dual-phase membrane, Ce 0.9 Gd 0.1 O 2− δ (GDC)/La 0.6 Sr
0.4 Co 0.2 Fe 0.8 O 3− δ (LSCF) with a 50/50 vol.% composition, has been systematically …

Investigation of La0. 6Sr0. 4CoO3− δ-Gd0. 1Ce0. 9O2− δ composite cathodes with different volume ratios by three dimensional reconstruction

YT Kim, N Shikazono - Solid State Ionics, 2017 - Elsevier
In the present study, the polarization characteristics of La 0.6 Sr 0.4 CoO 3− δ (LSC)-Gd 0.1
Ce 0.9 O 2− δ (GDC) composite cathodes for solid oxide fuel cell (SOFC) with different …

High-Performance Microchanneled Asymmetric Gd0.1Ce0.9O1.95−δ–La0.6Sr0.4FeO3−δ-Based Membranes for Oxygen Separation

S Cheng, H Huang, S Ovtar, SB Simonsen… - … applied materials & …, 2016 - ACS Publications
A microchanneled asymmetric dual phase composite membrane of 70 vol% Gd0. 1Ce0.
9O1. 95− δ–30 vol% La0. 6Sr0. 4FeO3− δ (CGO-LSF) was fabricated by a “one step” phase …

Subcontinuous 2D La0. 6Sr0. 4CoO3-δ nanosheet as an efficient charge conductor for boosting the cathodic activity of solid oxide fuel cells

C Kim, H Lee, I Jang, S Kim, H Yoon, U Paik, T Song - Electrochimica Acta, 2021 - Elsevier
Abstract The formation of La 0.6 Sr 0.4 CoO 3-δ (LSC) nanoparticles on cathode surfaces
enhances the charge conductivity, thus enabling high performance in solid oxide fuel cells …

Substantial oxygen flux in dual-phase membrane of ceria and pure electronic conductor by tailoring the surface

JH Joo, KS Yun, JH Kim, Y Lee, CY Yoo… - ACS Applied Materials …, 2015 - ACS Publications
The oxygen permeation flux of dual-phase membranes, Ce0. 9Gd0. 1O2− δ–La0. 7Sr0.
3MnO3±δ (GDC/LSM), has been systematically studied as a function of their LSM content …

Solid oxide fuel cell cathodes: importance of chemical composition and morphology

VA Sadykov, VS Muzykantov, NF Yeremeev… - … for Sustainable Energy, 2015 - degruyter.com
The main aspects of the cathode materials morphology for Intermediate Temperature Solid
Oxide Fuel Cells (IT SOFC) are considered in this paper. The approaches for estimation of …