Fabrication of lanthanum strontium cobalt ferrite (LSCF) cathodes for high performance solid oxide fuel cells using a low price commercial inkjet printer

Title
Fabrication of lanthanum strontium cobalt ferrite (LSCF) cathodes for high performance solid oxide fuel cells using a low price commercial inkjet printer
Authors
Gwon Deok HanKe Chean Neoh배기호Hyung Jong ChoiSuk Won Park손지원Joon Hyung Shim
Keywords
Solid oxide fuel cells; Inkjet printing; Lanthanum strontium cobalt ferrite; Cathode
Issue Date
2016-02
Publisher
Journal of power sources
Citation
VOL 306, 503-509
Abstract
In this study, we investigate a method to fabricate high quality lanthanum strontium cobalt ferrite (LSCF) cathodes for solid oxide fuel cells (SOFCs) using a commercial low price inkjet printer. The ink source is synthesized by dissolving the LSCF nanopowder in a water-based solvent with a proper amount of surfactants. Microstructures of the LSCF layer, including porosity and thickness per printing scan cycle, are adjusted by grayscale in the printing image. It is successfully demonstrated that anode-supported SOFCs with optimally printed LSCF cathodes can produce decent power output, i.e., a maximum peak power density of 377 mW cm−2 at 600 °C, in our experiment. We expect that this approach can support the quick and easy prototyping and evaluating of a variety of cathode materials in SOFC research.
URI
http://pubs.kist.re.kr/handle/201004/58376
ISSN
03787753
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KIST Publication > Article
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