Ni_0.75Fe_0.25 Coated Tubular GDC Anode for Cathode-Supported IT-SOFC with High Anode Porosity

Abstract:

Ni_0.75Fe_0.25O_x-GDC cermet anode for intermediate temperature solid oxide fuel cell was prepared by hard template method and wet impregnation method. LSC-GDC cathode-supported single cell was fabricated by using Ni_0.75Fe_0.25 coated tubular GDC as anode for the performance test. The composite anode material with Ni-Fe alloy particles coated tubular GDC was analyzed by XRD and SEM. The maximum power density of the single cell in hydrogen and dry methane was 736 and 400 mW·cm^-2 at 800 °C, respectively. The SEM observation showed that the anode had a porous three-dimensional microstructure with high specific surface and rich gas channel, resulting a high power generation performance.

• Periodical: Key Engineering Materials (Volume 814)
• Pages: 457-462
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.814.457
• Online since: July 2019
• Authors: Hong Xin You*, Lian Peng, Qiang Wang
• Keywords: Hard Template Method, Ni-Fe Alloy, Solid Oxide Fuel Cell, Tubular GDC

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