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Synthesis and electrochemical characterization of La0.75Sr0.25Mn0.5Cr0.5‐xAlxO3, for IT- and HT- SOFCs

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Date
12/09/2019
Author
Abdalla, Abdalla M.
Kamel, Madeha
Hossain, Shahzad
Irvine, John T.S.
Azad, Abul K.
Keywords
XPS
Perovskite
Electrical conductivity
Binding energy
AC conductivity
QD Chemistry
Ceramics and Composites
Condensed Matter Physics
Marketing
Materials Chemistry
NDAS
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Abstract
The main emphasis of this work is to create a new perovskite material with three different compositions (La0.75Sr0.25Mn0.5Cr0.5‐xAlxO3, x = 0.1, 0.2, 0.3) applied in both Intermediate and high Temperature ‐ Solid Oxide Fuel Cells (IT & HT‐SOFCs). Perovskite‐type polycrystalline La0.75Sr0.25Mn0.5Cr0.5‐xAlxO3‐δ (x = 0.1, 0.2, 0.3) powders were synthesized and formed in a single phase structure by a dry chemistry route (standard solid‐state reaction method). The effect of Al‐doping on physicochemical and surface properties has been discovered. The compounds were crystallized in single phase rhombohedral symmetry (R‐3C Space. Group). Total conductivity of Al‐doping in wet 5% H2 was higher than both dry 5% H2 and air. The obtained results enhance the electro‐catalytic performance and the material conductivity as well, which will be good for anode materials in IT‐ HT‐SOFCs and the optimum doping is 10%.
Citation
Abdalla , A M , Kamel , M , Hossain , S , Irvine , J T S & Azad , A K 2019 , ' Synthesis and electrochemical characterization of La 0.75 Sr 0.25 Mn 0.5 Cr 0.5‐ x Al x O 3 , for IT- and HT- SOFCs ' , International Journal of Applied Ceramic Technology , vol. Early View . https://doi.org/10.1111/ijac.13375
Publication
International Journal of Applied Ceramic Technology
Status
Peer reviewed
DOI
https://doi.org/10.1111/ijac.13375
ISSN
1546-542X
Type
Journal article
Rights
Copyright © 2019 The American Ceramic Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1111/ijac.13375
Description
The authors, A M Abdalla and S Hossain, are grateful to Suez Canal University and Universiti Brunei Darussalam and their collaborative for supporting this research work.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/20612

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