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Modeling the Microstructural and Micromechanical Influence on Effective Properties of Granular Electrode Structures with regard to Solid Oxide Fuel Cells and Lithium Ion Batteries

Ott, Julia Katharina

Abstract:

The work studies electrode structures and the influence on the performance of electrochemical cells. Porous electrodes structures are modeled as a mixture of electron and ion conducting particles, densified considering manufacturing: sintering of SOFC is approximated geometrically; calendering and intercalation in LIB are modeled by a discrete element approach. A tracking algorithm plus a resistor network approach allow predicting connectivity, conductivity and active area of various structures.


Volltext §
DOI: 10.5445/IR/1000049833
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Publikationstyp Hochschulschrift
Publikationsjahr 2015
Sprache Englisch
Identifikator urn:nbn:de:swb:90-498337
KITopen-ID: 1000049833
HGF-Programm 37.01.02 (POF III, LK 01) Components and Cells
Verlag Karlsruher Institut für Technologie (KIT)
Art der Arbeit Dissertation
Fakultät Fakultät für Maschinenbau (MACH)
Institut Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Prüfungsdaten 25.09.2015
Referent/Betreuer Kamlah, M.
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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