Improvement of output performance of solid oxide fuel cell by optimizing Ni/samaria-doped ceria anode functional layer |
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| Authors: | Na Ai Zhe Lü Jinke Tang Kongfa Chen Xiqiang Huang Wenhui Su |
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| Affiliation: | 1. Center for Condensed Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, China;2. Department of Physics, University of New Orleans, New Orleans, LA 70148, United States;3. International Center for Material Physics, Academia, Shenyang 110015, China |
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| Abstract: | Anode functional layers (AFLs) were fabricated using slurry spin coating method on anode substrates to improve the performance of cells based on samaria-doped ceria (SDC) films. The effects of the chemical compositions of AFL and AFL thickness on the performance of solid oxide fuel cell anodes were investigated by studying their effect on the ohmic loss, electrode overpotential, and output performance of cells in different atmospheres. With humidified hydrogen used as fuel and oxygen as oxidant, the cell with an 8-μm-thick AFL (NiO:SDC = 6:4) exhibited excellent maximum power densities of 3.41, 2.89, 1.46 and 0.80 W cm−2 at 650, 600, 550 and 500 °C, respectively. |
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| Keywords: | Chemical composition Anode functional layer Three-phase boundary Slurry spin coating Solid oxide fuel cell |
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