Electrical properties of the grain boundaries of oxygen ion conductors: acceptor-doped zirconia and ceria

X Guo, R Waser - Progress in Materials Science, 2006 - Elsevier
This article reviews the current understanding of the electrical properties of the grain
boundaries of acceptor-doped zirconia and ceria, however, with an emphasis on the grain …

Grain boundary blocking effect in zirconia: a Schottky barrier analysis

X Guo, J Maier - Journal of the Electrochemical Society, 2001 - iopscience.iop.org
The grain boundary electrical properties of high purity ceramic materials doped with 2, 3,
and 8 mol% and 8 mol% co-doped with 0.4 mol% were studied in the temperature range of …

Grain boundary ionic conductivity of yttrium stabilized zirconia as a function of silica content and grain size

MC Martin, ML Mecartney - Solid State Ionics, 2003 - Elsevier
Impedance spectroscopy at temperatures from 350 to 700° C and analytical electron
microscopy were used to characterize grain boundary conductivity and grain boundary …

Impedance spectroscopy and dielectric properties of flash versus conventionally sintered yttria‐doped zirconia electroceramics viewed at the microstructural level

JC M'Peko, JSC Francis, R Raj - Journal of the American …, 2013 - Wiley Online Library
The defect chemistry‐modulated dielectric properties of dense yttria‐doped zirconia
ceramics prepared by conventional sintering (at 1350° C–1500° C) and electric field …

Effect of firing temperature on LSM-YSZ composite cathodes: a combined three-dimensional microstructure and impedance spectroscopy study

JS Cronin, K Muangnapoh, Z Patterson… - Journal of The …, 2012 - iopscience.iop.org
Abstract (La 0.8 Sr 0.2) MnO 3-Yttria Stabilized Zirconia (LSM-YSZ) cathodes fired at various
temperatures were studied using Focused Ion Beam–Scanning Electron Microscopy (FIB …

Recent advances in the understanding of the evolution of surfaces and interfaces in solid oxide cells

SJ Skinner - Advanced Materials Interfaces, 2019 - Wiley Online Library
In solid oxide electrochemical cells the critical processes of fuel oxidation and oxygen
reduction occur at surfaces, and ultimately define the performance of the devices …

Effect of porosity on the electrical conductivity of LAMOX materials

H El Khal, A Cordier, N Batis, E Siebert, S Georges… - Solid State Ionics, 2017 - Elsevier
Abstract Porous La 2 Mo 1.5 W 0.5 O 9 (LMW05) samples with different levels of
densification were obtained by varying the sintering temperature in the range of 750 to …

Oxygen exchange and diffusion in the near surface of pure and modified yttria-stabilised zirconia

M De Ridder, RG Van Welzenis, HH Brongersma… - Solid State Ionics, 2003 - Elsevier
By studying the oxygen transport through yttria-stabilised zirconia (YSZ), a strategy could be
proposed which should lead to a reduction in the operating temperature of the solid oxide …

A mixed-conduction model for the oxidation of stainless steel in a high-temperature electrolyte: estimation of kinetic parameters of oxide layer growth and restructuring

M Bojinov, P Kinnunen, K Lundgren… - Journal of the …, 2005 - iopscience.iop.org
The oxide films formed on AISI 316L (NG) in the temperature range have been characterized
by impedance spectroscopy and ex situ analysis using Auger electron spectroscopy …

Effects of firing conditions and addition of Co on bulk and grain boundary properties of CGO

D Pérez-Coll, P Núñez, JCC Abrantes, DP Fagg… - Solid State Ionics, 2005 - Elsevier
Commercial ceria–gadolinia powders were used to obtain bulk CGO samples, by sintering
at 900 to 1500° C with Co nitrate additions, or at temperatures in the range 1500–1600° C …