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A Flexible Framework for Modeling Multiple Solid, Liquid and Gaseous Phases in Batteries and Fuel Cells

  • Multi-phase management is crucial for performance and durability of electrochemical cells such as batteries and fuel cells. In this paper we present a generic framework for describing the two-dimensional spatiotemporal evolution of gaseous, liquid and solid phases, as well as their interdependence with interfacial (electro-)chemistry and microstructure in a continuum description. The modelingMulti-phase management is crucial for performance and durability of electrochemical cells such as batteries and fuel cells. In this paper we present a generic framework for describing the two-dimensional spatiotemporal evolution of gaseous, liquid and solid phases, as well as their interdependence with interfacial (electro-)chemistry and microstructure in a continuum description. The modeling domain consists of up to seven layers (current collectors, channels, electrodes, separator/membrane), each of which can consist of an arbitrary number of bulk phases (gas, liquid, solid) and connecting interfaces (two-phase or multi-phase boundaries). Bulk and interfacial chemistry is described using global or elementary kinetic reactions. Multi-phase management is coupled to chemistry and to mass and charge transport within bulk phases. The functionality and flexibility of this framework is demonstrated using four application areas in the context of post-lithium-ion batteries and fuel cells, that is, lithium-sulfur (Li-S) cells, lithium-oxygen (Li-O) cells, solid oxide fuel cells (SOFC) and polymer electrolyte membrane fuel cells (PEFC). The results are compared to models available in literature and properties of the generic framework are discussed.‚Ķshow moreshow less

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Metadaten
Author:Jonathan Philipp Neidhardt, David Norman Fronczek, Thomas Jahnke, Timo Danner, Birger Horstmann, Wolfgang G. BesslerORCiDGND
Creating Corporation:Electrochemical Society
Year of Publication:2012
Language:English
GND Keyword:Batterie; Brennstoffzelle; Modell; Rahmen
Parent Title (English):Journal of The Electrochemical Society
Volume:159
Issue:9
ISSN:0013-4651
First Page:A1528
Last Page:A1542
Document Type:Conference Proceeding
Institutes:Hochschule Offenburg / Bibliografie
Acces Right:Zugriffsbeschränkt
Release Date:2019/10/29
Licence (German):License LogoEs gilt das UrhG
Note:
9th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 9), Campus Sursee, Switzerland, April 2-4, 2012
URL:https://elib.dlr.de/76228/1/Neidhardt_et_al_2012_MODVAL9.pdf
DOI:https://doi.org/10.1149/2.023209jes