Enhanced proton conductivity of Gd–Co bi-doped barium cerate perovskites based on structural and microstructural investigations

2020 ◽  
Vol 834 ◽  
pp. 155114 ◽  
Author(s):  
G. Accardo ◽  
D. Frattini ◽  
S.P. Yoon
Keyword(s):  
Proton Conductivity ◽  
Barium Cerate ◽  
Doped Barium Cerate

Preparation and Properties of Yttrium Doped Barium Cerate (BaCe1-xYxO3-δ)

2015 ◽  
Vol 1098 ◽  
pp. 69-74
Author(s):  
Eduardo R. Magdaluyo ◽  
Jomyr E. Gapasin
Keyword(s):  
Ceramic Material ◽  
Proton Conductivity ◽  
Pechini Method ◽  
Sol Gel ◽  
Secondary Phase ◽  
Processing Parameters ◽  
Homogeneous Distribution ◽  
Barium Cerate ◽  
X Ray Diffraction ◽  
Doped Barium Cerate

Yttrium doped barium cerate is considered a promising electrolyte material for solid oxide fuel cell applications due to its excellent proton conductivity. The proton conductivity characteristics of the ceramic material can be influenced by the different synthesis processing parameters. This study aimed to obtain yttrium doped barium cerate BaCe1-xYxO3-δ (x = 0.15, 0.20) using a sol-gel modified Pechini method. The phase formation and surface morphology of the yttrium doped barium cerate were investigated using x-ray diffraction and scanning electron microscopy. The thermal decomposition of the calcined ceramic material was examined using thermogravimetric analysis. Diffraction analysis confirmed the formation of perovskite crystalline structure with the presence of secondary phase yttrium doped ceria. Larger grain size with homogeneous distribution and coalescence was observed in the sintered BaCe0.80Y0.20O3-δ.

Proton conductivity in yttrium-doped barium cerate under nominally dry reducing conditions for application in chemical synthesis

2019 ◽  
Vol 7 (30) ◽  
pp. 18135-18142 ◽  
Author(s):  
Francisco J. A. Loureiro ◽  
Domingo Pérez-Coll ◽  
Vanessa C. D. Graça ◽  
Sergey M. Mikhalev ◽  
Alejandro F. G. Ribeiro ◽  
...  
Keyword(s):  
Chemical Synthesis ◽  
Proton Conductivity ◽  
Barium Cerate ◽  
Electrochemical Reactors ◽  
Reducing Conditions ◽  
Dry Conditions ◽  
Doped Barium Cerate

The applicability limits of BaCe0.9Y0.1O3−δ highlighted for use as a membrane in electrochemical reactors operating under nominally dry conditions.

Influence of sintering additives of transition metals on the properties of gadolinium-doped barium cerate

2008 ◽  
Vol 179 (21-26) ◽  
pp. 887-890 ◽  
Author(s):  
E. Gorbova ◽  
V. Maragou ◽  
D. Medvedev ◽  
A. Demin ◽  
P. Tsiakaras
Keyword(s):  
Transition Metals ◽  
Barium Cerate ◽  
Sintering Additives ◽  
Doped Barium Cerate

Electrical Conduction in Pure and Yttria-Doped Barium Cerate

1982 ◽  
Vol 41 (3) ◽  
pp. 63-66 ◽  
Author(s):  
A. N. Virkar ◽  
B. K. Das ◽  
S. K. Sundaram ◽  
H. S. Maiti
Keyword(s):  
Electrical Conduction ◽  
Barium Cerate ◽  
Doped Barium Cerate

Effect of fluorine, chlorine and bromine doping on the properties of gadolinium doped barium cerate electrolytes

2015 ◽  
Vol 40 (29) ◽  
pp. 8980-8988 ◽  
Author(s):  
Huizhu Zhou ◽  
Lei Dai ◽  
Lei Jia ◽  
Jing Zhu ◽  
Yuehua Li ◽  
...  
Keyword(s):  
Barium Cerate ◽  
Doped Barium Cerate

Enhancing Sulfur Tolerance of Ni-Based Cermet Anodes of Solid Oxide Fuel Cells by Ytterbium-Doped Barium Cerate Infiltration

2016 ◽  
Vol 8 (16) ◽  
pp. 10293-10301 ◽  
Author(s):  
Meng Li ◽  
Bin Hua ◽  
Jing-li Luo ◽  
San Ping Jiang ◽  
Jian Pu ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Sulfur Tolerance ◽  
Barium Cerate ◽  
Doped Barium Cerate

scholarly journals Preparation, Characterization and Intermediate-Temperature Electrochemical Properties of Er3+-Doped Barium Cerate–Sulphate Composite Electrolyte

Materials ◽  
2019 ◽  
Vol 12 (17) ◽  
pp. 2752
Author(s):  
Fufang Wu ◽  
Ruifeng Du ◽  
Tianhui Hu ◽  
Hongbin Zhai ◽  
Hongtao Wang
Keyword(s):  
Maximum Output Power ◽  
Nitrogen Atmosphere ◽  
Maximum Output ◽  
Barium Cerate ◽  
X Ray Diffraction ◽  
Ac Impedance Spectroscopy ◽  
Raman Spectrometry ◽  
Composite Electrolyte ◽  
X Ray ◽  
Doped Barium Cerate

In this study, BaCe0.9Er0.1O3−α was synthesized by a microemulsion method. Then, a BaCe0.9Er0.1O3−α–K2SO4–BaSO4 composite electrolyte was obtained by compounding it with a K2SO4–Li2SO4 solid solution. BaCe0.9Er0.1O3−α and BaCe0.9Er0.1O3−α–K2SO4–BaSO4 were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Raman spectrometry. AC impedance spectroscopy was measured in a nitrogen atmosphere at 400–700 °C. The logσ~log (pO2) curves and fuel cell performances of BaCe0.9Er0.1O3−α and BaCe0.9Er0.1O3−α–K2SO4–BaSO4 were tested at 700 °C. The maximum output power density of BaCe0.9Er0.1O3−α–K2SO4–BaSO4 was 115.9 mW·cm−2 at 700 °C, which is ten times higher than that of BaCe0.9Er0.1O3−α.

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