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Novel layered perovskite SmBaMn2O5+δ for SOFCs anode material

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Irvine_2017_ML_NovelLayered_AAM.pdf (719.2Kb)
Date
01/10/2017
Author
Abdalla, Abdalla M.
Hossain, Shahzad
Petra, Pg Mohd Iskandar
Savaniu, Cristian D.
Irvine, John T. S.
Azad, Abul K.
Keywords
Layered pervoskite
Structural analysis
Power density measurements
SOFCs anode
QD Chemistry
NDAS
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Abstract
SmBaMn2O5+δ (SBMO), a novel layered perovskite compound with samarium based material (Sm+3) as rare earth doped in A-site was synthesized and processed by using dry chemistry method (solid state solution). Structural characterization of SBMO has been investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). While, thermal and electrochemical testing were done by using thermogravimetric analysis (TGA) and current voltage measurements. The Rietveld analysis of XRD data shows that SBMO was crystallized in the orthorhombic structure with the Pmmm space group. The surface morphology images showed a porous structure which indicates that this material can be used as a potential electrode in solid oxide fuel cells (SOFCs). TGA result showed the mass loss of 0.022% for SmBaMn2O5+δ which is very small and indicates that the material is very stable. DC conductivity and performance test were done at RT in air atmosphere. The performance tests have done at 800 °C and 750 °C and the maximum power density was found to be 0.4 W/cm2 at 800 °C.
Citation
Abdalla , A M , Hossain , S , Petra , P M I , Savaniu , C D , Irvine , J T S & Azad , A K 2017 , ' Novel layered perovskite SmBaMn 2 O 5+δ for SOFCs anode material ' , Materials Letters , vol. 204 , pp. 129-132 . https://doi.org/10.1016/j.matlet.2017.06.029
Publication
Materials Letters
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.matlet.2017.06.029
ISSN
0167-577X
Type
Journal article
Rights
© 2017 Elsevier Ltd. All rights reserved. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version 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/10.1016/j.matlet.2017.06.029
Description
The authors Abdalla M. Abdalla and Shahzad Hossain are thankful to the Graduate Research Office of Universiti Brunei Darussalam for Graduate Research Scholarship (GRS) for funding this research work done.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/13832

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