Electric batteries, Vol. 6, Pages 61: Numerical Heat Transfer Modeling and Fresh Validation of Lithium-Ion Battery Taking into consideration: Tab and Surface Temperature, Separator, Electrolyte Resistance, Anode-Cathode Irreversible plus Reversible Heat

Batteries, Vol. 6, Pages 61: Mathematical Heat Transfer Modeling and Experimental Validation of Lithium-Ion Battery Considering: Tab and Surface Temperature, Separator, Electrolyte Resistance, Anode-Cathode Irreversible and Reversible Heat

Electric batteries doi: 10. 3390/batteries6040061

Authors: Anosh Mevawalla Satyam Panchal Manh-Kien Tran Michael Fowler Roydon Fraser

The temperature and temperature produced by lithium-ion (Li-ion) electric batteries in electric and hybrid vehicles is a crucial field of investigation because it determines the power, efficiency, and cycle life of the battery pack. This paper displayed both laboratory data and simulation results at C-rates of 1C, 2C, 3C, and 4C at an ambient temperature of approximately twenty three & amp; deg; C. During experiment thermocouples were placed upon the surface of the battery power. The thermal model assumed continuous current discharge and was experimentally validated. It was observed that temperature increased with C-rates at both the surface and the tab. We note that at 4C the battery temperature increased from twenty two & amp; deg; C to 47. 40 & amp; degrees; C as well as the tab temperature increased from 22 & amp; degrees; C to 52. 94 & amp; deg; C. Overall, the particular simulation results showed that a lot more heat was produced in the cathode than the anode, the particular primary source of heat had been the electrolyte resistance, and the battery temperature was your highest near the tabs and in the internal space of the battery. Simulation of the lithium concentration within the battery showed that the lithium concentration was more uniform within the anode than in the cathode. These results can assist the accurate thermal design plus thermal management of Li-ion electric batteries.

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