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Microstructural studies and performance of impregnated manganese containing perovskite solid oxide fuel cell anodes

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Author(s)

G. Corre, G. Kim, M. Cassidy, R. J. Gorte, J. M. Vohs, J. T S Irvine

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Abstract

We report here on the development of a novel type of solid oxide fuel cell anodes that are based on Mn containing perovskites and prepared by infiltration of electrode precursor solutions into yttria stabilized zirconia scaffolds. The presence of Mn, even in small amount, on the B-site of the ABO3 structure leads to electrode microstructures that offer a large surface area that is available for electrochemical reactions. The oxides form a remarkable thin coating on the electrode scaffold after high temperature sintering. The evolution of those films in reducing environments creates arrays of interconnected ̃10nm scale particles covering the electrode scaffold. Such electrodes, based on LSCM with small amounts of added catalyst, provide outstanding performance, both for the direct oxidation of methane in solid oxide fuel cells, and the reduction of pure CO2 in solid oxide electrolyzers.

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Original languageEnglish
Title of host publicationECS Transactions - Solid Oxide Fuel Cells 11 (SOFC-XI)
Pages2201-2211
Number of pages11
Volume25
Edition2 PART 3
DOIs
Publication statusPublished - 1 Dec 2009
Event11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI)- 216th ECS Meeting - Vienna, Austria
Duration: 4 Oct 20099 Oct 2009

Conference

Conference11th International Symposium on Solid Oxide Fuel Cells (SOFC-XI)- 216th ECS Meeting
CountryAustria
CityVienna
Period4/10/099/10/09

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