Affiliation:
1. Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology, Nagoya, 463-8560 Japan.
2. Fine Ceramics Research Association, Nagoya, 463-8560 Japan.
Abstract
Porous Anodes for Solid Oxide Fuel Cells
Fuel cells that use ion-conducting oxides as the electrolyte can be highly efficient and use hydrocarbon fuels directly. However, their very high operating temperatures (usually above 700°C) can lead to unwanted reactions with their electrode materials and premature degradation of their performance. In order to improve fuel-cell electrochemical performance,
Suzuki
et al.
(p.
852
) describe a route for increasing the porosity of the anode material, which contains nickel oxide and zirconia doped with scandium and cerium and is fabricated as a cylinder. Subsequent coating and firing steps added a layer of a zirconia-based electrolyte and the (La,Sr)(Co,Fe)O
3
cathode. The resulting fuel-cell power density exceeded 1 watt per square centimeter at 600°C, and its performance improved as hydrogen fuel velocities were increased through the cell.
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
435 articles.
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