Experimental and numerical investigation on efficient optimization of battery thermal management systems

Zhang, Jiajun; Wu, Xiaoling; Zhou, Dan; Li, Qin-Yi; Li, Xinxi; Chen, Kai

doi:10.1016/j.applthermaleng.2022.119821

Cited by 25 publications

(2 citation statements)

References 31 publications

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“…Studies have revealed that the BTMS airflow pattern contributes significantly to the cooling effect. [14,15] Besides the traditional U-type and Z-type patterns, researchers have examined various forms of airflow. Chen et al [16] simulated BTMSs with different airflow patterns and indicated that the symmetric BTMS with air entry and exit positions placed centrally in the plenums has better cooling performance.…”

Section: Introductionmentioning

confidence: 99%

Cooling Performance Optimization of Air‐Cooled Battery Thermal Management System with L‐Type Flow

2023

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The development of electric vehicles has driven the refinement of thermal management technology for batteries. Due to the limitations of device locations during operation, battery thermal management systems (BTMS) with diverse geometric configurations should be considered. Herein, optimization of the L‐type air‐cooled structures (L(A) and L(B)) is performed with the objective of minimizing the maximum temperature difference while avoiding increasing system power consumption. The simulation indicates that optimization of the plenum angle is more effective than the widths of the divergence and convergence plenums for the BTMS L(A). Multivariate optimization of angle and widths decreases maximum temperature (Tmax) by 1.79 K and maximum temperature difference (ΔTmax) by 2.45 K compared to the original BTMS. The adjustment of BTMS L(B) takes place in three aspects: plenum widths, inlet position, and baffle setting. Among these, optimizing the plenum widths proves to be the most efficient method. The Tmax and ΔTmax decrease by 1.41 and 2.13 K, respectively, and the power consumption decreases by 11.30% compared to the original BTMS. The optimal systems display improved cooling performance under varying battery heat generation rates and air flow rates, demonstrating the effectiveness of the optimization methods in enhancing cooling efficiency.

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Section: Introductionmentioning

confidence: 99%

Cooling Performance Optimization of Air‐Cooled Battery Thermal Management System with L‐Type Flow

2023

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“…Currently, there are wide investigations on various cooling approaches for battery modules, and they can be categorized into air cooling, , liquid cooling, – and phase-change material (PCM) cooling systems – based on different heat-transfer mechanisms. The air cooling system has exhibited low heat dissipation efficiency, limiting its widespread utilization.…”

Section: Introductionmentioning

confidence: 99%

High Antileakage and Thermal Conductivity Composite Phase-Change Material with Anisotropy Expanded Graphite for Battery Thermal Management

Yang,

Li,

et al. 2023

ACS Appl. Energy Mater.

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Battery thermal management systems (BTMSs) with composite phase-change materials (CPCMs) have attracted much attention owing to their improved temperature consistence in battery packs, but they still have obvious challenges such as easy leakage and low thermal conductivity. Herein, paraffin (PA)/styrene–butadiene–styrene (SBS)/thermoplastic polyurethane (TPU)/expanded graphite (EG) (PSTE) has been successfully prepared and utilized in battery modules. PSTE exhibits high antileakage under 70 °C high-temperature condition, which can maintain the quality maintenance rate to more than 99.9% compared with other samples. It is attributed that TPU as the interpenetrating layer can mingle with SBS uniformly, which will play a synergistic effect to restrict the leakage of CPCM. Besides, the thermal conductivity values of PSTE with various mass fractions of EG between the axial and radial directions after compression are compared. It reveals that the thermal conductivity of PSTE with 4 wt % EG is much higher than that of pure PA in the radial direction after compression. Meanwhile, the mechanism of EG with anisotropy is explained in detail. Further, the temperature consistence of the battery module with PSTE4 is markedly higher than other two modules, and the maximum temperature and temperature difference can be controlled below 44.7 and 3.6 °C, respectively, which indicates that PSTE4 can promptly dissipate the heat generated with batteries. Therefore, the designed CPCM with a highly efficient antileakage and thermally conductive composite material will provide versatile thermal management systems in practical applications.

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Numerical investigation on flow and heat transfer characteristics in honeycomb-like microchannel heat sink encapsulated with phase change material

Chen

Zhuang

Feng

et al. 2023

Applied Thermal Engineering

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Experimental and numerical investigation on efficient optimization of battery thermal management systems

Cited by 25 publications

References 31 publications

Cooling Performance Optimization of Air‐Cooled Battery Thermal Management System with L‐Type Flow

Cooling Performance Optimization of Air‐Cooled Battery Thermal Management System with L‐Type Flow

High Antileakage and Thermal Conductivity Composite Phase-Change Material with Anisotropy Expanded Graphite for Battery Thermal Management

Numerical investigation on flow and heat transfer characteristics in honeycomb-like microchannel heat sink encapsulated with phase change material

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