Lithium-ion Battery Safety Modeling in Ansys Fluent1 Octombrie 2020

Ora: 17:00 (Romania)

With the growth of the electric vehicle market, the demand for smaller and lighter batteries with greater capacity has never been higher. However, a key issue limit in Li-ion battery (LIB) applications is the potential safety. Thermal abuse, which is induced by either poor manufacturing quality control or poor thermal management design in nominal and off-nominal conditions, is the most dangerous scenario among various safety risks. Due to the complexity of the electrochemical/thermal system, LIB safety testing cannot provide sufficient information to show the mechanism of thermal runaway propagation during internal shorting. Therefore, a robust numerical model is the key to understanding the thermal runaway propagation and identifying the dominant parameters to mitigate thermal runaway in a battery module or pack. In Ansys Fluent, a comprehensive three-dimensional safety model for a Li-ion cell, which is based on a multiscale, multidimensional (MSMD) battery modeling methodology, has been developed. This safety model provides a unique capability to investigate the effects of an internal short circuit on thermal runaway propagation in a Li-ion battery. In this webinar, a three-dimensional thermo-electro-chemical model will be introduced. The model will be validated by comparing with the testing data. Moreover, a demo case will be shown to provide further insights into a passive heat sink design for Li-ion battery packs, which can be used to propose a configuration of a battery thermal management system to mitigate thermal runaway.

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Optical and Radiometric Simulation for Biomedical Applications20 Octombrie 2020

Ora: 12:00 (Romania) The employment of optical methods in biomedical technologies has grown in recent years. Light used for imaging, diagnostics or even therapy is an ideal tool because it is powerful, less expensive than CT or PET imaging... ...

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Optimizing Speed with HFSS Regions in SIwave6 Octombrie 2020

Ora: 11:00 (Romania) Learn how the speed and accuracy of Ansys SIwave can be improved by leveraging HFSS Regions in SIwave, a cutting-edge technique for supporting high-speed printed circuit board (PCB) channel design requirements. This presentation compares the technique... ...

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