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Ionen.

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Ionen.

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Elpasolieten. --- Ionen.

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In this work, novel methods are introduced for characterizing the thermal and electrochemical behavior of lithium ion cells. Based on these methods a modeling approach is introduced which allows for the discreet description of four separate domains (both static and dynamic electrochemical and thermal behaviors). The adaption to a wide variety of electrode materials, scalable accuracy and fully automatable parameterization are made possible by the strict separation of model domains.

Verfahren --- Modellierung --- Batterie --- Lithium-Ionen --- Impedanzspektroskopie

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This contribution presents an analytical and a numerical model for predicting the effective thermal conductivity of porous electrode coatings as a function of microstructure parameters. Both models account for the morphological parameters and the thermal bulk materials of the constitutive cell components. The results of both models have been successfully verified against each other and validated with literature data as well as own experimental measurements.

Mechanical engineering & materials --- thermal conductivity --- thermal transport properties --- porous electrodes --- lithium-ion cell --- lithium-ion battery --- Wärmeleitfähigkeit --- thermische Transporteigenschaften --- poröse Elektroden --- Lithium-Ionen Zelle --- Lithium-Ionen Batterie