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High performance low-temperature solid oxide fuel cells with atomic layer deposited-yttria stabilized zirconia embedded thin film electrolyte

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Abstract

We report the design and the fabrication of a sandwich-structured thin-film composite electrolyte for low-temperature solid oxide fuel cells supported by a nanoporous anodized aluminum oxide (AAO) substrate. We adopt an extremely thin (25 nm) atomic-layer-deposited (ALD) yttria-stabilized zirconia (YSZ) layer embedded in highly ionic-conductive sputtered samaria-doped ceria (SDC) electrolytes (360 nm thick) and systematically vary the position of the YSZ layer to investigate the optimal design of the composite electrolyte. The cell with a sputtered SDC (180 nm)/ALD YSZ (25 nm)/sputtered SDC (180 nm) sandwich electrolyte shows a high maximum power density of 562 mW cm−2 at 450 °C, which is the highest performance at this temperature range for AAO-supported cells to date.

Graphical abstract: High performance low-temperature solid oxide fuel cells with atomic layer deposited-yttria stabilized zirconia embedded thin film electrolyte

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Publication details

The article was received on 05 Dec 2017, accepted on 05 Feb 2018 and first published on 06 Feb 2018


Article type: Paper
DOI: 10.1039/C7TA10678E
Citation: J. Mater. Chem. A, 2018, Advance Article
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    High performance low-temperature solid oxide fuel cells with atomic layer deposited-yttria stabilized zirconia embedded thin film electrolyte

    S. Oh, J. Park, J. W. Shin, B. C. Yang, J. Zhang, D. Y. Jang and J. An, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA10678E

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