Fabrication and testing of coplanar single-chamber micro solid oxide fuel cells with geometrically complex electrodes |
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| Authors: | Melanie Kuhn Teko Napporn Michel Meunier Daniel Therriault Srikar Vengallatore |
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| Affiliation: | 1. Department of Mechanical Engineering, École Polytechnique de Montréal, 2900 Boulevard Edouard-Montpetit, Montreal, H3T 1J4 Canada;2. Department of Engineering Physics, École Polytechnique de Montréal, 2900 Boulevard Edouard-Montpetit, Montreal, H3T 1J4 Canada;3. Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Room 363, Montreal, Quebec, H3A 2K6 Canada |
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| Abstract: | Coplanar single-chamber micro solid oxide fuel cells (SC-μSOFCs) with curvilinear microelectrode configurations of arbitrarily complex two-dimensional geometry were fabricated by a direct-write microfabrication technique using conventional fuel cell materials. The electrochemical performance of two SC-μSOFCs with different electrode shapes, but comparable electrode and inter-electrode dimensions, was characterized in a methane–air mixture at 700 °C. Both cells exhibited stable open circuit voltage and peak power density of 0.9 V and 2.3 mW cm−2, respectively, indicating that electrode shape did not have a significant influence on the performance of these fuel cells. |
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| Keywords: | Single-chamber solid oxide fuel cell SOFC Microfabrication Direct-writing Portable power generation MEMS |
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