Enhanced Activity and Stability of Ni-Based Binary Anode in Direct NH3-Fueled SOFCs

Enhanced Activity and Stability of Ni-Based Binary Anode in Direct NH3-Fueled SOFCs

The activity and stability of Ni-based binary alloy anodes for direct ammonia-fueled SOFCs were investigated in the temperature range of 823 to 973 K. It was found that the activities of Ni40-Fe60 and Ni97-Mo3/SDC anodes for ammonia oxidation were higher than Ni/SDC anode at temperature of 823 to 97...

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Veröffentlicht in:ECS transactions 2017-05, Vol.78 (1), p.1495-1500
Hauptverfasser: Hashinokuchi, Michihiro, Zhang, Mengjia, Yokochi, Ryuji, Doi, Takayuki, Inaba, Minoru
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container_issue 1
container_start_page 1495
container_title ECS transactions
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creator Hashinokuchi, Michihiro
Zhang, Mengjia
Yokochi, Ryuji
Doi, Takayuki
Inaba, Minoru
description The activity and stability of Ni-based binary alloy anodes for direct ammonia-fueled SOFCs were investigated in the temperature range of 823 to 973 K. It was found that the activities of Ni40-Fe60 and Ni97-Mo3/SDC anodes for ammonia oxidation were higher than Ni/SDC anode at temperature of 823 to 973 K. In addition, the Ni40-Fe60 and Ni97-Mo3/SDC anodes exhibited higher stability in a heat cycle test between 873 and 973 K in ammonia atmosphere than the Ni/SDC anode. It was found that the change in the shape of the metal catalysts induced by the heat cycle was suppressed in the Ni40-Fe60 and Ni97-Mo3/SDC anodes.
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title Enhanced Activity and Stability of Ni-Based Binary Anode in Direct NH3-Fueled SOFCs
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