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Markus Klinsmann

The Effects of Internal Stress and Lithium Transport on Fracture in Storage Materials in Lithium-Ion Batteries

(Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie ; 54)

AutorKlinsmann, Markus

VerlagKIT Scientific Publishing, Karlsruhe

ISBN9783731504559

UmfangIX, 216 S.

Veröffentlicht
am:
08.03.2016

Erscheinungs-
jahr
2016

VerfügbarkeitAktiv

Downloads:

Für Zitate bitte die folgende URL verwenden:
http://dx.doi.org/10.5445/KSP/1000050956

Abstract

Fracture of storage particles is considered to be one of the major reasons for capacity fade and increasing power loss in Li-ion batteries. In this work, we tackle the problem by merging a coupled model of mechanical stress and diffusion of Li-ions with a phase field description of an evolving crack. The novel approach allows us to study the evolution of the Li concentration together with the initiation and growth of a crack in an arbitrary geometry and without presuming a specific crack path.