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Nanocomposite Ag–LSM solid oxide fuel cell electrodes |
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| Authors: | Tal Z Sholklapper Velimir Radmilovic Craig P Jacobson Steven J Visco Lutgard C De Jonghe |
| Affiliation: | 1. Materials Science Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA;2. National Center for Electron Microscopy, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;3. Department of Materials Science and Engineering, University of California at Berkeley, Berkeley, CA 94720, USA |
| Abstract: | Advances in infiltration technology have enabled the creation of innovative electrode architectures that are key to highly effective SOFC anodes and cathodes. In this work, an Ag-infiltrated electrode has been created using a pre-sintered porous scandia-stabilized zirconia (SSZ) electrode backbone. The well-sintered SSZ provides a highly connected ion-conducting pathway throughout the electrode, while the nanometer thickness of the Ag particle layer minimizes the oxygen transport resistance that otherwise limits reaction rates in typical Ag composite electrodes. The new Ag composite electrode had minimal activation polarization by 750 °C. |
| Keywords: | SOFC Nanoparticulate Electrodes Silver |
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