Development of Ceria Based SOFCs With a High Performance La0.6Sr0.4Co0.2Fe0.8O3−δ–Ce0.9Gd0.1O1.95–Ag Composite Cathode
作者： Y. Liu , K. Yasumoto , S. Hashimoto , K. Takei , M. Mori
DOI: 10.1115/1.3176220
关键词: Electrode 、 Materials science 、 Dispersion (chemistry) 、 Chemical engineering 、 Gadolinium-doped ceria 、 Cathode 、 Ceramic 、 Electrolyte 、 Non-blocking I/O 、 Anode
摘要: In this work, a microtubular cell consisting of thin Ce0.9Gd0.1O1.95 (GDC) electrolyte (thickness: below 10 μm) on support NiO/GDC anode (1.8 mm outer diameter, 200 μm wall thickness) with La0.6Sr0.4Co0.2Fe0.8O3−δ/GDC functional cathode has been developed for intermediate/low temperature operation. The was prepared by in situ infiltrating the electrochemically catalytic nano-Ag particles into as-established 20 thick cathode. as-proposed Ag-impregnation route ensures very homogeneous particle dispersion and good adhesion Ag to ceramic matrices. cells were successfully operated produce maximum power densities 0.41 W cm−2 (1.27 A cm−2, 0.32 V), 0.83 (2.23 0.37 1.05 (2.39 0.44 V) at 450°C, 500°C, 550°C, respectively.
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