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Geometry-influenced Cooling Performance of Lithium-ion Battery by Dwijendra Dubey; A. Mishra; Subrata Ghosh; M.V. Reddy; Ramesh Pandey is a Engineering article available to read on EtoBox.

What is Geometry-influenced Cooling Performance of Lithium-ion Battery about?

Battery geometry (shape and size) is one of the important parameters which governs the battery capacity and thermal behavior. In the dynamic conditions or during the operation, the performance of batteries become much more complex. Herein, the changes in thermal behavior of lithium-ion battery (LIB)by altering the geometry i.e., length to diameter ratio (l/d), is investigated. The geometries considered are named as large geometry (LG), datum geometry (DG) and small geometry (SG) with the l/d ratio of 5.25, 3.61, and 2.38, respectively. A three-dimensional (3D) multi-partition thermal model is adopted, and the numerical results are validated by the published experimental data. For three different cooling approaches such as radial, both-tab and mixed cooling, the average battery temperature and temperature heterogeneity are thoroughly examined considering the heat transfer coefficients (h) of 50 and 100 W/m2K at discharge rates of 1, 2 and 3C. Amongst, the minimum average battery temperature is exhibited by DG, the minimum radial temperature heterogeneity is obtained from LG, and substantial outperformance in terms of faster cooling rate is identified for SG, irrespective of the cool

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Author

Dwijendra Dubey; A. Mishra; Subrata Ghosh; M.V. Reddy; Ramesh Pandey

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)