Preparation and Characteristics of Pr1.2Sr0.8NiO4-Sm0.2Ce0.8O1.9 Composite Powders for Solid Oxide Fuel Cell Cathode Applications

Jun Fang Yang; Ji Gui Cheng; Qiu Mei Jiang; Jian Feng Gao

doi:10.4028/www.scientific.net/AMR.412.116

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 412Preparation and Characteristics of...

Preparation and Characteristics of Pr_1.2Sr_0.8NiO₄-Sm_0.2Ce_0.8O_1.9 Composite Powders for Solid Oxide Fuel Cell Cathode Applications

Abstract:

Pr_1.2Sr_0.8NiO₄ (PSNO) and Sm_0.2Ce_0.8O_1.9 (SCO) powders were synthesized by a glycine-nitrate process and a gel-casting process, respectively. Pr_1.2Sr_0.8NiO₄-x Sm_0.2Ce_0.8O_1.9 (x=0, 25, 50) composite cathode materials were prepared by mechanically mixing the two powders. The particle size of the synthesized PSNO and SCO powders is about 100nm and 50nm, respectively. PSNO and SCO have a good chemical compatibility. Area specific resistance value for the Pr_1.2Sr_0.8NiO₄-x Sm_0.2Ce_0.8O_1.9 (x=25, 50) composite cathode on SCO electrolyte is 0.087 and 0.076Ωcm²at 750°C, which indicates Pr_1.2Sr_0.8NiO₄-Sm_0.2Ce_0.8O_1.9 composite materials may be a promising cathode material for intermediate temperature solid oxide fuel cell (IT-SOFC).

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Periodical:

Advanced Materials Research (Volume 412)

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116-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.412.116

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Online since:

November 2011

Authors:

Jun Fang Yang, Ji Gui Cheng, Qiu Mei Jiang, Jian Feng Gao

Keywords:

Composite Cathode, Electrochemical Performance, Glycine-Nitrate Process, IT-SOFC

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