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Low-temperature processed anode for solid oxide fuel cells

Electrochemical and Solid-State Letters, ISSN: 1099-0062, Vol: 8, Issue: 7
2005
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Article Description

A composite Ni-Y doped ZrO (YSZ) composite was prepared by depositing a 1-50 μm thick coating of YSZ particles from a colloidal suspension (initial YSZ particle size ∼100 nm) onto a sapphire substrate followed by impregnation by Ni polymer precursors into the coating and annealing at 800°C. The electrical conductivity at 700°C of the composite Ni-YSZ was 0.1 S cm in air and above 100 S cm in reducing atmosphere. Redox cycle and life time testing showed stable performance and the conductivity at 800°C was as high as 300 S cm after 800 h operation in reducing atmosphere. These results suggest that the Ni-YSZ composite can be a potential candidate for use as an anode in solid oxide fuel cells. © 2005 The Electrochemical Society. All rights reserved.

Bibliographic Details

Vladimir Petrovsky; Toshio Suzuki; Piotr Z. Jasinski; Harlan U. Anderson

The Electrochemical Society

Chemical Engineering; Materials Science; Chemistry; Engineering

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