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Studies on Direct Ethanol use in SOFCs

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DOI

Author(s)

Gael P. G. Corre, John T. S. Irvine

School/Research organisations

Abstract

We report here on the investigation of the direct use of ethanol in solid oxide fuel cells. While the operation on Ni-YSZ anodes leads to detrimental catalytic carbon deposition even at high steam to carbon ratio, diluted ethanol can be directly used on LSCM anodes. Steady operation seems achievable only at high temperatures (900 degrees C) due to gas-phase reaction carbon deposits. However, it is demonstrated that the initial performance is fully recovered after removal of these deposits. The addition of CGO to the LSCM anode is shown to considerably improve the anode performance, by limiting the gas-phase carbon deposition to a small layer beneficial to the performance. Recorded performance was higher on diluted ethanol than on humidified hydrogen. No degradation was observed on short term tests, and a polarization resistance of 0.3 Omega.cm(2) was achieved on ethanol diluted (15 mol. %) in steam.

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Details

Original languageEnglish
Title of host publicationSolid Oxide Fuel Cells 12 (SOFC XII)
EditorsSC Singhal, K Eguchi
Place of PublicationPENNINGTON
PublisherELECTROCHEMICAL SOCIETY INC
Pages2845-2854
Number of pages10
ISBN (Print)978-1-60768-212-7
DOIs
Publication statusPublished - 2011
Event12th International Symposium on Solid Oxide Fuel Cells (SOFC) - Montreal
Duration: 1 May 20116 May 2011

Publication series

NameECS Transactions
Number1
Volume35
ISSN (Print)1938-5862

Conference

Conference12th International Symposium on Solid Oxide Fuel Cells (SOFC)
CityMontreal
Period1/05/116/05/11

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