Functionally Graded Bismuth Oxide/Zirconia Bilayer Electrolytes for High-Performance Intermediate-Temperature Solid Oxide Fuel Cells (IT-SOFCs)
Cathodes
670
Interfaces
High Performance
electrolytes
02 engineering and technology
7. Clean energy
Stabilized Bismuth Oxides
Solid Oxide Fuel Cells (SOFC)
Electrolytes
Degradation
stabilized bismuth oxides
Perovskites
Conductivity
solid oxide fuel cells
Technologies
540
3. Good health
Surfaces
Conductors
Bilayers
Oxygen Reduction
Doped Ceria
0210 nano-technology
high performance
bilayers
DOI:
10.1021/acsami.6b16660
Publication Date:
2017-03-01T17:13:48Z
AUTHORS (5)
ABSTRACT
A functionally graded Bi1.6Er0.4O3 (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 ∼2.1 W cm-2 at 700 °C, which is a 2.4 times increase compared to that of the YSZ single electrolyte SOFC.
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