Charakterisierung und Modellentwicklung von Natur und Funktionalität der Kathoden/Elektrolyt-Grenzfläche von Hochtemperatur-Brennstoffzellen (SOFC)

Charakterisierung und Modellentwicklung von Natur und Funktionalität der Kathoden/Elektrolyt-Grenzfläche von Hochtemperatur-Brennstoffzellen (SOFC)

Solid oxide fuel cells (SOFC) achieve high efficiencies, the lower the internal electrochemical losses are. This work investigates insulating secondary phases at the cathode/electrolyte interface that are formed during fabrication. Full cells and model systems are electrochemically characterized, an...

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Bibliographic Details
Main Author: Szász, Julian Tibor (auth)
Format: Book Chapter
Published: KIT Scientific Publishing 2019
Subjects:
elektrochemische Impedanzspektroskopie
electrochemical impedance spectroscopy
FEM-Modellierung
korrelative Tomographie
secondary phase identification
solid oxide fuel cell (SOFC)
Zweitphasenidentifikation
correlative tomography
FEM modeling
Hochtemperatur-Brennstoffzelle (SOFC)
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Summary:Solid oxide fuel cells (SOFC) achieve high efficiencies, the lower the internal electrochemical losses are. This work investigates insulating secondary phases at the cathode/electrolyte interface that are formed during fabrication. Full cells and model systems are electrochemically characterized, analyzed by electron microscopy and reconstructed by tomography. A FEM model reveals performance limiting factors. As a result, an optimized production routine is proposed.
Physical Description:1 electronic resource (II, 246 p. p.)
ISBN:KSP/1000087336
9783731508618
Access:Open Access

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