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Electrochemical Impedance Spectroscopy of Core-Shell Nanofiber Cathodes, with Ce0.9Gd0.1O1.95 (Core) and Cu-Doped La0.6Sr0.4MnO3 (Shell), for Application in Solid Oxide Fuel Cells
CaterinaSanna,PaolaCostamagna,PeterHoltappels
ChemElectroChem Pub Date : 06/07/2023 00:00:00 , DOI:10.1002/celc.202300101
Abstract
Nanofibers for solid oxide fuel cells: Electrospinning is an innovative technique to obtain three-dimensional nanofiber structures. Our core-shell nanofibers employ Ce0.9Gd0.1O1.95 fluorite as the core material and La1-xSrxMnO3 based perovskite as the shell. Electrochemical impedance spectroscopy tests run on our core-shell nanofiber cathodes demonstrate a significant improvement compared to the state-of-the-art powder-based cathodes for solid oxide fuel cells.
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