Abstract
A new heat transfer enhancement approach was proposed for the cooling system of lithium-ion batteries. A three-dimensional numerical simulation of the passive thermal management system for a battery pack was accomplished by employing ANSYS Fluent (Canonsburg, PA, USA). Phase change material was used for the thermal management of lithium-ion battery modules and as the heat transmission source to decrease battery temperature in fast charging and discharge conditions. Constant current charge and discharge were applied to lithium-ion battery modules. In the experimental part of the research, an isothermal battery calorimeter was used to determine the heat dissipation of lithium-ion batteries. Thermal performance was simulated for the presence of phase change material composites. Simulation outcomes demonstrate that phase change material cooling considerably decreases the lithium-ion battery temperature increase during fast charging and discharging conditions use. The greatest temperature at the end of 9 C, 7 C, 5 C, and 3 C charges and discharges were approximately 49.7, 44.6, 38.4, and 33.1 °C, respectively, demonstrating satisfactory performance in lithium-ion battery thermal homogeneity of the passive thermal management system.
Highlights
Lithium-ion battery cells are everywhere; in cameras, cell phones, laptops, and in lots of other electronic appliances
Phase change materials are considered advantageous in different heat transfer applications because of their sensible and latent heat capabilities
The outcomes demonstrated that the attendance of carbon fiber phase change material improves the cooling system’s efficacious thermal performance and, affects temperature distribution within the lithium-ion battery
Summary
Lithium-ion battery cells are everywhere; in cameras, cell phones, laptops, and in lots of other electronic appliances. As battery applications and sizes rise, novel battery management and control approaches are required to enhance the battery pack’s reliability, safety, lifetime, and performance, especially in the application of electric and hybrid vehicles in which the battery cell is exposed to an abrupt culmination of both discharge and charge power in comparison with approximately steady charge and discharge current in the application of mobile electronic appliances. Due to their big power and energy densities, lithium-ion batteries are a considerably essential element of electric vehicles. It is important to decrease the risk of thermal runaway
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