复合阳极Ni-Fe/Ce0.9Gd0.1O1.95在阴极支撑单电池的性能及其表征

doi:10.19964/j.issn.1006-4990.2021-0182

Abstract

Abstract:

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 La_0.6Sr_0.4CoO₃（LSC）-Ce_0.9Gd_0.1O_1.95（GDC）cathode-supported body,which was coated the La_0.9Sr_0.1Ga_0.8Mg_0.2O_3-_δ（LSGM） electrolyte film and the Sm_0.2Ce_0.8O_1.9（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.

Key words: solid oxide fuel cell, cathode-supported cell, composite anode, the bimetallic anode, hard template method

CLC Number:

TQ138.13

YOU Hongxin,WANG Qiang,PENG Lian. Performance and characterization of Ni-Fe/Ce_0.9Gd_0.1O_1.95 composite anode for cathode-supported single cell[J]. Inorganic Chemicals Industry, 2022, 54(1): 34-38.

Figures/Tables 7

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References 29

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Performance and characterization of Ni-Fe/Ce_0.9Gd_0.1O_1.95 composite anode for cathode-supported single cell

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Performance and characterization of Ni-Fe/Ce0.9Gd0.1O1.95 composite anode for cathode-supported single cell