Revisiting ionic conductivity of rare earth doped ceria: Dependency on different factors

SK Anirban, A Dutta - International Journal of Hydrogen Energy, 2020 - Elsevier
The rare–earth–doped ceria overcomes the difficulties of yttria–stabilized zirconia (YSZ) as
an electrolyte in Solid Oxide Fuel Cells (SOFCs) due to its superior ionic conductivity in the …

Mechanical and electrical properties Ge and Gd co-doped CeO2-based electrolyte for intermediate-temperature solid oxide fuel cells

K Wang, J Yang, B An, Q Zhang, D Song, Y Wang - Ceramics International, 2024 - Elsevier
This study utilizes the citric acid-EDTA combustion method to synthesize Gd 0.1 Ce 0.9-x Ge
x O 1.95 (x= 0.005, 0.01, 0.04, 0.07), marked as nGGDC (n= 0.5, 1, 4, 7), and Gd 0.1 Ce 0.9 …

Improving the Si Impurity Tolerance of Pr0.1Ce0.9O2−δ SOFC Electrodes with Reactive Surface Additives

L Zhao, NH Perry, T Daio, K Sasaki… - Chemistry of …, 2015 - ACS Publications
Fast oxygen exchange kinetics, a key figure of merit in solid oxide fuel cell (SOFC)
electrodes, is often dramatically hindered by the presence of even small concentrations of …

Effects of monovalent alkali metals on grain boundary conductivity and electrochemical properties of gadolinia-doped ceria electrolyte

X Song, D Liao, Z Lian, K Peng - Ceramics International, 2021 - Elsevier
In the present work, 1 mol% alkali metals (Li, Na, K) doped Ce 0.9 Gd 0.1 O 2-δ (GDC)
electrolytes are prepared by citrate-nitrate sol-gel autoignition process. The effects of …

Direct synthesis of Ce0.8Sm0.2−xZnxO2−δ electrolyte by sol–gel for IT-SOFC

Y Liu, H Qin, M Li, J Cheng, C Tang, J Xiao, Y Xie - Ionics, 2022 - Springer
In this paper, high-quality nanosized Ce0. 8Sm0. 2− x Zn x O2− δ (x= 0, 0.02, 0.04, 0.08, and
0.16) powders are successfully synthesized by sol–gel process for intermediate-temperature …

A highly conductive Ce0. 8Nd0. 2O1. 9 electrolyte with double sintering aids for intermediate-temperature solid oxide fuel cells

P Tang, DF Zhou, XF Zhu, N Wang, JH Bai - Ceramics International, 2022 - Elsevier
In this paper, the influence of Bi/Zn mass ratio on the phase composition, microstructure,
sintering properties, and electrical properties of Bi/Zn co-added Nd 0.2 Ce 0.8 O 1.9 (NDC) …

Divalent cations modified grain boundary scavenging in samarium doped ceria electrolyte for solid oxide fuel cells

S Preethi, KS Babu - Journal of Alloys and Compounds, 2019 - Elsevier
Grain boundary conductivity of samarium doped ceria electrolyte (SDC) depends on the
space charge potential and oxygen vacancy concentration existing at the grain boundary …

New approaches to enhancing the performance of ceria-based electrolytes: A study on the microstructure, ionic conductivity, and mechanical properties of Cu-Gd Co …

Q Zhang, J Yang, B An, K Wang, D Song… - Journal of Alloys and …, 2025 - Elsevier
This study addresses the performance limitations of traditional SOFC electrolytes at
intermediate temperatures by synthesizing Cu-Gd co-doped ceria-based electrolytes, Gd 0.1 …

Improving SiO2 impurity tolerance of Ce0. 8Sm0. 2O1. 9: Synergy of CaO and ZnO in scavenging grain-boundary resistive phases

L Ge, Q Ni, G Cai, T Sang, L Guo - Journal of Power Sources, 2016 - Elsevier
Rapid oxygen ion conduction, which is important in solid oxide fuel cell (SOFC) electrolytes,
is often dramatically hindered by the presence of even small concentrations of impurities …

Synergistic effect of lithium and calcium for low temperature densification and grain boundary scavenging in samarium doped ceria electrolyte

P Sudarsan, SBK Moorthy - Materials Chemistry and Physics, 2019 - Elsevier
A highly dense electrolyte with lower grain boundary resistance is desirable for improving
the performance of solid oxide fuel cell. This paper studies the synergistic role of calcium …