Improved SOFC performance with continuously graded anode functional layer |
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| Authors: | Zhenhua Wang Naiqing Zhang Jinshuo Qiao Kening Sun Ping Xu |
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| Affiliation: | 1. Department of Chemistry, Harbin Institute of Technology, Harbin 150001, PR China;2. Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin, Heilongjiang 150001, PR China;3. Post-doctoral Research Center of Civil Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, PR China |
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| Abstract: | Continuously graded anode functional layers (CG-AFLs) were fabricated on the Ni–YSZ anode substrates by electrophoretic co-deposition (EPD) technique. The microstructure and composition of the CG-AFLs were investigated. The result showed that uniform and graded structure in AFL was obtained. The single cells were constructed on the basis of CG-AFLs, with a maximum output power density greater than 1.10 W cm?2 obtained at 800 °C for the cell with 9.8 μm-thick CG-AFL. Electrochemical impedance spectroscopy (EIS) indicated that the excellent cell performance was contributed to the enlargement of triple phase boundary (TPB) by adding the CG-AFL. |
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