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Infiltrated La0.4Sr0.4Fe0.03Ni0.03Ti0.94O3 based anodes for all ceramic and metal supported solid oxide fuel cells

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Date
31/12/2017
Author
Nielsen, Jimmi
Persson, Åsa H.
Sudireddy, Bhaskar R.
Irvine, John T. S.
Thydén, Karl
Funder
European Commission
Grant ID
Keywords
Solid oxide fuel cell
Metal support
Lanthanum doped strontium titanate
Redox tolerance
Perovskite A site deficiency
QD Chemistry
NDAS
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Abstract
For improved robustness, durability and to avoid severe processing challenges alternatives to the Ni:YSZ composite electrode is highly desirable. The Ni:YSZ composite electrode is conventionally used for solid oxide fuel cell and solid oxide electrolysis cell. In the present study we report on high performing nanostructured Ni:CGO electrocatalyst coated A site deficient Lanthanum doped Strontium Titanate (La0.4Sr0.4Fe0.03Ni0.03Ti0.94O3) based anodes. The anodes were incorporated into the co-sintered DTU metal supported solid oxide fuel cell design and large sized 12 cm × 12 cm cells were fabricated. The titanate material showed good processing characteristics and surface wetting properties towards the Ni:CGO electrocatalyst coating. The cell performances were evaluated on single cell level (active area 16 cm2) and a power density at 0.7 V and 700 °C of 0.650 Wcm−2 with a fuel utilization of 31% was achieved. Taking the temperature into account the performances of the studied anodes are among the best reported for redox stable and corrosion resistant alternatives to the conventional Ni:YSZ composite solid oxide cell electrode.
Citation
Nielsen , J , Persson , Å H , Sudireddy , B R , Irvine , J T S & Thydén , K 2017 , ' Infiltrated La 0.4 Sr 0.4 Fe 0.03 Ni 0.03 Ti 0.94 O 3 based anodes for all ceramic and metal supported solid oxide fuel cells ' , Journal of Power Sources , vol. 372 , pp. 99-106 . https://doi.org/10.1016/j.jpowsour.2017.10.066
Publication
Journal of Power Sources
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.jpowsour.2017.10.066
ISSN
0378-7753
Type
Journal article
Rights
© 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).
Description
Financial support by the EU project METSAPP (FP7-278257) and Energinet.dk under the project ForskEL 2012-1-10806 is gratefully acknowledged.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/12064

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