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Novel AC-M-SCC anode materials for solid oxide fuel cells using methanol at intermediate or low temperature
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Reaction Engineering.
2005 (English)In: Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, ASME Press, 2005, p. 785-788Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, novel anode materials for solid oxide fuel cells which can directly operate liquid fuels at intermediate or low temperature were investigated. These materials were based on the activated carbons supported transition metal catalysts (AC-M) and the solid carbonate-ceria composite (SCC) materials, which were prepared via the sol-gel route. The SCCs possess both oxide-ion and proton conductivity, being used as multi-ion conductors. Activated carbons supported transition metals were used to improve the characters of anode materials and especially to enhance the anode catalyst function to liquid fuels, e.g., methanol. The internal reforming of liquid fuels was proved. There is no external reforming system needed. We used also the chemical methods to improve the commercial activated carbons. The microstructure, conductivity and electrochemical properties of anode materials were investigated as functions of the activated carbon pre-treating condition. Using these novel materials, the power intensity of 0.2 W/cm 2 was achieved for fuel cells directly operating the methanol at 600°C.

Place, publisher, year, edition, pages
ASME Press, 2005. p. 785-788
Keywords [en]
Activated carbon (AC), Anode, Internal reforming, Liquid fuel, Solid carbonate-ceria composite (SCC)
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-156576ISI: 000243400200102Scopus ID: 2-s2.0-27744583812ISBN: 0-7918-3764-5 (print)OAI: oai:DiVA.org:kth-156576DiVA, id: diva2:767220
Conference
3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005, 23 May 2005 through 25 May 2005, Ypsilanti, MI, United States
Note

QC 20141201

Available from: 2014-12-01 Created: 2014-12-01 Last updated: 2014-12-01Bibliographically approved

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