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Performance and characterization of Ni-Fe/Ce0.9Gd0.1O1.95 composite anode for cathode-supported single cell
Received date: 2021-03-24
Online published: 2022-03-14
The bimetallic anode for the cathode-supported single cell was explored to improve the electrochemical performance of intermediate temperature solid oxide fuel cell.The single cell was supported by the La0.6Sr0.4CoO3（LSC）-Ce0.9Gd0.1O1.95（GDC）cathode-supported body,which was coated the La0.9Sr0.1Ga0.8Mg0.2O3-δ（LSGM） electrolyte film and the Sm0.2Ce0.8O1.9（SDC） bu-ffer layer by spin-coating,and was tape-coated the Ni-Fe/GDC composite anode.The electrolyte was prepared by glycine-nitrate process,and the anode was prepared by hard template and wet impregnation method.The prepared materials were ana-lyzed by XRD and SEM.The maximum power densities of the cell were 0.73 W/cm2 and 0.64 W/cm2 at 800 ℃ and 750 ℃ in hydrogen,and the values were 0.41 W/cm2 and 0.40 W/cm2 in dry methane,respectively.The conducted SEM showed that the anode had the porous microstructure with high specific surface and bimetallic particles were densely coated on the vermicular GDC,which resulted in the high power generation performance.
Hongxin YOU , Qiang WANG , Lian PENG . Performance and characterization of Ni-Fe/Ce0.9Gd0.1O1.95 composite anode for cathode-supported single cell[J]. Inorganic Chemicals Industry, 2022 , 54(1) : 34 -38 . DOI: 10.19964/j.issn.1006-4990.2021-0182
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