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Functionally Graded Bismuth Oxide/Zirconia Bilayer Electrolytes for High-Performance Intermediate-Temperature Solid Oxide Fuel Cells (IT-SOFCs)
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- Title
- Functionally Graded Bismuth Oxide/Zirconia Bilayer Electrolytes for High-Performance Intermediate-Temperature Solid Oxide Fuel Cells (IT-SOFCs)
- Issued Date
- 2017-03
- Citation
- Joh, Dong Woo. (2017-03). Functionally Graded Bismuth Oxide/Zirconia Bilayer Electrolytes for High-Performance Intermediate-Temperature Solid Oxide Fuel Cells (IT-SOFCs). ACS Applied Materials & Interfaces, 9(10), 8443–8449. doi: 10.1021/acsami.6b16660
- Type
- Article
- Author Keywords
- solid oxide fuel cells ; electrolytes ; stabilized bismuth oxides ; bilayers ; high performance
- Keywords
- Bilayers ; Cathodes ; Conductivity ; Conductors ; Degradation ; Doped Ceria ; Electrolytes ; High Performance ; Interfaces ; Oxygen Reduction ; Perovskites ; Solid Oxide Fuel Cells (SOFC) ; Stabilized Bismuth Oxides ; Surfaces ; Technologies
- ISSN
- 1944-8244
- Abstract
-
A functionally graded Bi1.6.Er0.4O3(ESB)/Y0.16Zr0.84O1.92(YSZ) bilayer electrolyte is successfully developed via a cost-effective screen printing process using nanoscale ESB powders on the tape-cast NiO-YSZ anode support. Because of the highly enhanced oxygen incorporation process at the cathode/electrolyte interface, a novel bilayer solid oxide fuel cell (SOFC) yields extremely high power density of similar to 2.1 W cm(-2) at 700 degrees C, which is a 2.4 times increase compared to that of the YSZ single electrolyte SOFC.
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- Publisher
- American Chemical Society
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