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To protect the ceria electrolyte from reduction at the anode side, a thin film of yttria-stabilized zirconia (YSZ) is introduced as an electronic blocking layer to anode-supported gadolinia-doped ceria (GDC) electrolyte solid oxide fuel cells (SOFCs). Thin films of YSZ/GDC bilayer electrolyte are deposited onto anode substrates using a simple and cost-effective wet ceramic co-sintering process. A...
A simple electrolyte model for bilayer ion-conducting membrane used in solid oxide fuel cell (SOFC) was developed. The model considers yttria-doped bismuth oxide (YDB) and gadolinia-doped ceria (GDC) as the substrate electrolyte, both coated with a thin layer of yttria-stabilized zirconia (YSZ) on the anode side. Migration of oxygen ions and diffusion of free electrons and electron holes through the...
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