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Application of exsolved structures as a route to more robust anodes for improved biogas utilisation in SOFCs

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Irvine_2015_ECS_Application.pdf (355.3Kb)
Date
17/07/2015
Author
Cassidy, Mark
Gamble, Stephen Richard
Irvine, John Thomas Sirr
Funder
EPSRC
Grant ID
EP/I037016/1
Keywords
QD Chemistry
NDAS
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Abstract
Biogas is a potentially readily available fuel which could be especially useful when combined with the efficient energy conversion in SOFCs. This could be especially important in rural or remote locations where grid electricity is not available. Biogas contains mixture of methane CO2 with inherently high levels of H2S, therefore to improve performance in biogas more robust anodes are required that are more tolerant to both carbon and sulphur. In this paper the use of catalyst nanoparticles exsolved onto porous as a possible method of producing more resistant structures is discussed. All of the options showed good performance in reformed biogas mixtures with the exsolved structures showing improved resistance to carbon deposition. The performance of all dropped when exposed to sulphur, however many were also observed to recover once this was removed and so give encouragement for the development of robust anodes that can withstand sulphur breakthrough without catastrophic stack failure.
Citation
Cassidy , M , Gamble , S R & Irvine , J T S 2015 , Application of exsolved structures as a route to more robust anodes for improved biogas utilisation in SOFCs . in K Eguchi & S C Singhal (eds) , 14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015 . ECS Transactions , no. 1 , vol. 68 , Electrochemical Society , pp. 2029-2036 . https://doi.org/10.1149/06801.2029ecst
Publication
14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015
DOI
https://doi.org/10.1149/06801.2029ecst
ISSN
1938-6737
Type
Conference item
Rights
© The Electrochemical Society, Inc. 2015. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published here: https://dx.doi.org/10.1149/06801.2029ecst
Description
The authors would like to thank the EPSRC-DST India-UK Collaborative Research Initiative in Fuel Cells project EPI037016/1 “Advancing Biogas through Fuel Flexible SOFC” for funding this work.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/7373

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