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Porous Thin-Film Anode Materials for Solid-Oxide fuel Cells

Published online by Cambridge University Press:  10 February 2011

Jeffrey D. Morse
Affiliation:
Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94550
Robert T. Graff
Affiliation:
Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94550
Jeffrey P. Hayes
Affiliation:
Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94550
Alan F. Jankowski
Affiliation:
Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94550
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Abstract

Thin film, solid-oxide fuel cells (TFSOFCs) synthesized from an electrolyte and conductive material are developed using photolithographic patterning and physical vapor deposition. The anode layer must enable combination of the reactive gases, be conductive to pass the electric current, and provide mechanical support to the electrolyte and cathode layers. The microstructure and morphology desired for the anode layer should facilitate generation of maximum current density from the fuel cell. For these purposes, the parameters of the deposition process and post-deposition patterning are developed to optimize a continuous porosity across the anode layer. The anode microstructure is characterized using scanning electron microscopy and the power ouput generated through current-voltage measurement.

Type
Research Article
Copyright
Copyright © Materials Research Society 2000

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