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DOI: 10.5445/IR/1000039883

Phase-field modeling of the influence of mechanical stresses on charging and discharging processes in lithium ion batteries

Huttin, Magalie

A promising cathodic material for lithium ion batteries is lithium manganese oxide. However, over battery cycling, this material shows capacity fade. This behavior may be induced by mechanical failure of the particles whose granular cathode consists of. This further indicates the occurrence of very large stresses in particles. By means of a phase-field model coupled to mechanics we have computed the stresses arising in these particles.

Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Publikationstyp Hochschulschrift
Jahr 2014
Sprache Englisch
Identifikator URN: urn:nbn:de:swb:90-398838
KITopen ID: 1000039883
HGF-Programm 43.15.02; LK 01
Verlag Karlsruhe
Abschlussart Dissertation
Prüfungsdaten 27.02.2014
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