High-performance ultra-thin film solid oxide fuel cell using anodized-aluminum-oxide supporting structure
By Hong, Soonwook; Bae, Jiwoong; Koo, Bongjun & Kim, Young-Beom
Published in Electrochemistry Communications
NULL
2014
Abstract
An ultra-thin-film, low-temperature, high performing solid-oxide fuel cell (LT-SOFC) was successfully fabricated on an anodized aluminum oxide (AAO) supporting structure via atomic layer deposition (ALD). A dense and pinhole free layer of hybrid platinum (Pt) was applied to reduce the size of the substrate pores, in order to facilitate the development of a dense electrolyte on the Pt electrode while maintaining the gaseous fuel access. As a result, about 180 nm-thick yttria-stabilized zirconia (YSZ) electrolyte was successfully deposited without pinholes. This ultra-thin-film, AAO-supported LT-SOFC demonstrates the highest performance with a maximum power density of 380 mW/cm2 at an operating temperature of 450 °C.
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