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Nanoengineering of cathode layers for solid oxide fuel cells to achieve superior power densities

Engineering and Technology

Nanoengineering of cathode layers for solid oxide fuel cells to achieve superior power densities

K. Develos-bagarinao, T. Ishiyama, et al.

Discover how advanced nanoengineering innovations by Katherine Develos-Bagarinao, Tomohiro Ishiyama, Haruo Kishimoto, Hiroyuki Shimada, and Katsuhiko Yamaji lead to remarkable performance enhancements in thin-film cathodes for solid oxide fuel cells, achieving unprecedented current densities at elevated temperatures. Join us in exploring the future of sustainable energy!

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Playback language: English
Abstract
Solid oxide fuel cells (SOFCs) are promising alternatives to fossil fuel technologies. This paper reports an innovative concept for high-performance thin-film cathodes comprising nanoporous La0.6Sr0.4CoO3-δ cathodes and self-assembled nanocomposite La0.6Sr0.4Co0.2Fe0.8O3-δ and Ce0.9Gd0.1O2-δ cathode layers prepared using pulsed laser deposition (PLD). Integration into anode-supported cells achieved high current densities at 0.7 V, reaching 2.2 and 4.7 A/cm² at 650 °C and 700 °C, respectively. This demonstrates that nanoengineering significantly boosts cathode electrochemical performance for next-generation SOFCs.
Publisher
Nature Communications
Published On
Jun 25, 2021
Authors
Katherine Develos-Bagarinao, Tomohiro Ishiyama, Haruo Kishimoto, Hiroyuki Shimada, Katsuhiko Yamaji
Tags
solid oxide fuel cells
thin-film cathodes
nanoengineering
current densities
high performance

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