Browse Publications Technical Papers 2019-01-2261
2019-12-19

Effect of Tab Cooling on Large-Format Lithium-Ion Pouch Cells 2019-01-2261

Battery thermal management systems can extend service life time while operating Lithium-ion batteries in hot and humid climates. To study thermal and electrochemical behaviors of a large format cell for the tab cooling method, this paper presents a Dual Potential Multi-Scale Multi-Domain (MSMD) approach using the equivalent circuit model in ANSYS Fluent software. A pouch cell of 25 Ah consists of N1/3Mn1/3Co1/3O2 (NMC) cathode and graphite anode is used for the model validation. The simulation results present the effect of tab cooling temperature at different discharge rates as well as the effect of the cell surface area and its thickness.

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