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<p>Lithium-ion batteries emerged as one of most effective solutions for energy storage at electric vehicles. A superior battery thermal management system (BTMS) is essential for lifetime and optimal battery performance. This research seeks to thermal efficiency of novel Li-ion battery that integrates liquid cooling with heat pipes. It will operate under various conditions and with diverse design specifications. To evaluate cooling efficiancy properties of the three BTMSs, transient thermo-fluid model were improved for liquid cooling utilizing B-type heat pipes (LCB), liquid cooling employing A-type heat pipes (LCA), and liquid cooling (LC). The LCB surpasses the LC considerably because to its substantially bigger heat transfer area. This study analyzes addition of many factors on cooling efficiency of BTMSs, including ambient temperature, liquid temperature, liquid mass flow rate, and discharge rate. This study evaluates the efficacy of several BTMSs by examining their discharge rates and liquid mass flow rates. To provide design guidelines, thermal conductivity of battery cells and the heat pipes were examined. Finally, cooling efficiency of BTMS were evaluated under standard conditions against that with the optimized design parameters. Under optimal conditions, maximum temperature (MT) of LCB module decreases under 10.4℃ relative to LC and under basic conditions it decreases by 8.5℃.</p>

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Optimization of liquid cooling and heat pipe assisted battery thermal management systems under variable operating conditions

  • 期刊论文

  • 发表日期：

    2026年5月22日

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  • Ch. venkata Krishna Reddy,
  • S Ramanjaneyulu Korada,
  • Elaiyaraja. A,
  • S. Agiladevi,
  • Shiny Epciya. J,
  • Rakesh Kumar Maurya

摘要

Lithium-ion batteries emerged as one of most effective solutions for energy storage at electric vehicles. A superior battery thermal management system (BTMS) is essential for lifetime and optimal battery performance. This research seeks to thermal efficiency of novel Li-ion battery that integrates liquid cooling with heat pipes. It will operate under various conditions and with diverse design specifications. To evaluate cooling efficiancy properties of the three BTMSs, transient thermo-fluid model were improved for liquid cooling utilizing B-type heat pipes (LCB), liquid cooling employing A-type heat pipes (LCA), and liquid cooling (LC). The LCB surpasses the LC considerably because to its substantially bigger heat transfer area. This study analyzes addition of many factors on cooling efficiency of BTMSs, including ambient temperature, liquid temperature, liquid mass flow rate, and discharge rate. This study evaluates the efficacy of several BTMSs by examining their discharge rates and liquid mass flow rates. To provide design guidelines, thermal conductivity of battery cells and the heat pipes were examined. Finally, cooling efficiency of BTMS were evaluated under standard conditions against that with the optimized design parameters. Under optimal conditions, maximum temperature (MT) of LCB module decreases under 10.4℃ relative to LC and under basic conditions it decreases by 8.5℃.