Abstract
Nanothin and pinhole-free electrolyte-embedded solid oxide fuel cells (SOFCs) on nanothin bottom electrode catalyst-coated anodic aluminum oxide (AAO) substrates with 20 nm and 80 nm-sized nanopores are morphologically and electrochemically characterized to identify the substrate-dependent nanostructuring effects. Reliable electrolytes were fabricated through the application of a protective layer deposited by atomic layer deposition, whose microstructural distortion reduced as the electrolyte became thinner. At 450°C, the SOFC on the AAO substrate with 80 nm nanopores generated a higher peak power density by approximately 22% than the SOFC on the AAO substrate with 20 nm nanopores when the electrolyte and the bottom electrode catalyst are as thin as 300 nm and 50 nm, respectively.
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Ji, S., Ha, J., Park, T. et al. Substrate-dependent growth of nanothin film solid oxide fuel cells toward cost-effective nanostructuring. Int. J. of Precis. Eng. and Manuf.-Green Tech. 3, 35–39 (2016). https://doi.org/10.1007/s40684-016-0005-7
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DOI: https://doi.org/10.1007/s40684-016-0005-7