Journal
CERAMICS INTERNATIONAL
Volume 45, Issue 16, Pages 20994-20998Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.06.281
Keywords
Cathode; Proton-conducting oxide; Interface; Solid oxide fuel cells
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Funding
- National Natural Science Foundation of China [51602238]
- Natural Science Foundation of Shandong Province [ZR2018JL017]
- Thousand Talents Plan
- World-Class Discipline Program of Shandong Province
- Taishan Scholar's Advantageous and Distinctive Discipline Program of Shandong Province
- Australian Research Council under the ARC Laureate Fellowship Program [FL170100101]
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In this study, we prepared a Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) cathode layer for proton-conducting solid oxide fuel cells using microwave sintering. Unlike traditional sintering, which is carried out at 1000 degrees C for a few hours, the microwave sintering method allows the BSCF cathode layer to adhere well with the electrolyte layer after sintering at 900 degrees C for 10 min. This strategy helps the cathode layer maintain a microstructure favourable for cathode reactions and mitigate the potential diffusion of elements between it and the BaZr0.1Ce0.7Y0.2O3-delta electrolyte, leading to improved cell resistance. The cell with the BSCF cathode layer sintered by the microwave method has a power output of 0.96 W cm(-2) at 700 degrees C, while the power output for the cell with a conventionally sintered cathode is 0.33 W cm(-2).
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