Electrical Properties of Co-Doped Ceria Electrolyte Ce0.8-xGd0.2SrxO2-δ(0.0 ≤ x ≤ 0.1)
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چکیده
منابع مشابه
Improvement of ionic conductivity of gadolinium doped ceria electrolyte with nano CuO sintering aid
Gadanium doped cerium oxide ceramic (GDC) is widely used as solid electrolytes in solid oxide fuel cells because of its high oxygen ion conductivity. In this study, the effect of addition of nano CuO as a sintering aid on the properties of GDC electrolyte were investigated. For this purpose, 0.2, 0.5, and 1% mole of nano Cuo was added to GDC ceramics, which was synthesized by the solid-state me...
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In this work, nanostructured LnxCe(1-x)O2-δ (Ln: Gd and Pr; x = 0.1 and 0.2) spheres were synthesized by microwave assisted hydrothermal homogeneous co-precipitation and their properties were characterized by synchrotron radiation XRD, X-ray absorption near-edge spectroscopy (XANES) and scanning and high-resolution electron microscopy (SEM and HRTEM). In situ XRD and XANES experiments were carr...
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In the present work, Gadolinium Doped ceria (GDC) based solid electrolyte was successfully synthesized through wet chemical method to operate at intermediate temperature (500–700°C) for SOFCs. DSC study revealed the formation of GDC phase at 900°C during calcination. The crystal structure of GDC was identified as cubic fluorite phase and the crystallite size was found to be around 23 nm....
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In this work, cornstarch-based electrolytes are doped with ammonium bromide (NH4Br) and plasticized with glycerol. Starch-NH4Br complexation is evidenced from the Fourier transform infrared (FTIR) spectroscopy results. A room temperature conductivity of (5.57±1.88)×10 S cm obtained by 70wt% starch–30 wt% NH4Br electrolyte is enhanced to (1.80±0.26)×10 S cm with the addition of 30 wt% glycerol. ...
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The structural, electronic and magnetic properties of Zn0.95Co0.05O, Zn0.95Fe0.05O and Zn0.90Fe0.05Co0.05O nanoparticles prepared by a sol-gel method are presented and discussed. Xray diffraction and optical analysis indicated that high spin Co ions substitute for the Zn ions in tetrahedral sites. Fe Mössbauer spectroscopy showed the presence of isolated paramagnetic Fe ions in both Fe doped an...
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ژورنال
عنوان ژورنال: Acta Physica Polonica A
سال: 2009
ISSN: 0587-4246,1898-794X
DOI: 10.12693/aphyspola.115.909