An Octane-Fueled Solid Oxide Fuel Cell

Author:

Zhan Zhongliang1,Barnett Scott A.1

Affiliation:

1. Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA.

Abstract

There are substantial barriers to the introduction of hydrogen fuel cells for transportation, including the high cost of fuel-cell systems, the current lack of a hydrogen infrastructure, and the relatively low fuel efficiency when using hydrogen produced from hydrocarbons. Here, we describe a solid oxide fuel cell that combines a catalyst layer with a conventional anode, allowing internal reforming of iso -octane without coking and yielding stable power densities of 0.3 to 0.6 watts per square centimeter. This approach is potentially the basis of a simple low-cost system that can provide substantially higher fuel efficiency by using excess fuel-cell heat for the endothermic reforming reaction.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference25 articles.

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2. United States Council for Automotive Research Hydrogen as a Fuel; www.uscar.org/Media/2002issue2/hydrogen.htm (2004).

3. European Fuel Cell Forum 2003

4. Materials and methods are available as supporting material on Science Online.

5. N. Minh, in Proc. 8th Int. Symp. on Solid Oxide Fuel Cells, S. C. Singhal, M. Dokiya, Eds. (Electrochemical Society, Pennington, NJ, 2003), p. 43.

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