Dynamic Model-based Analysis of Oxygen Reduction Reaction in Gas Diffusion Electrodes

Dynamic Model-based Analysis of Oxygen Reduction Reaction in Gas Diffusion Electrodes

In this work, the first simulation model of oxygen depolarized cathodes (ODC), which are silver catalyst-based gas diffusion electrodes, is presented that considers the phase equilibrium of the gas-liquid interface and structure-related inhomogeneities in electrolyte distribution. By means of the mo...

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Bibliographic Details
Main Author: Röhe, Maximilian (auth)
Format: Electronic Book Chapter
Language:English
Published: KIT Scientific Publishing 2024
Series:Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie
Subjects:
Electrical engineering
Chlor-alkali electrolysis; Three-phase model; Electrochemical Mass Spectroscopy; Inhomogeneous electrode structure; Chloralkali-Elektrolyse; Dreiphasen Modellierung; Elektrochemische Massenspektroskopie; Maxwell-Stefan Diffusion; Inhomogene Elektrodenstruktur
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Summary:In this work, the first simulation model of oxygen depolarized cathodes (ODC), which are silver catalyst-based gas diffusion electrodes, is presented that considers the phase equilibrium of the gas-liquid interface and structure-related inhomogeneities in electrolyte distribution. By means of the model it has been identified that mass transport of water and ions in the liquid phase is a crucial factor for electrode performance and how it is influenced by the electrode structure.
Physical Description:1 electronic resource (178 p.)
ISBN:KSP/1000150805
Access:Open Access

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