Thermal management performance of cavity cold plates for pouch Li‐ion batteries using in electric vehicles

Wang, Tong; Zhang, Xin; Zeng, Qingliang; Gao, Kuidong

doi:10.1002/ese3.798

Cited by 5 publications

(2 citation statements)

References 38 publications

(71 reference statements)

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“…In Model L cold plate, coolant flows in from the right part of cold plate and flows out from the left part of cold plate. At the same time, to compare with previous research, [ 44 ] seven different inlet and outlet sizes of cold plates are designed. Specific dimension parameters of inlet and outlet are shown in Table 2 .…”

Section: Model Description and Solutionmentioning

confidence: 99%

“…Therefore, the cavity LCP has to be further studied. On the basis of previous research, [ 44 ] the cooling effects of cavity cooling plate with inlet and outlet on the top side are limited. So, the effects of inlet and outlet size, inlet mass flow rate, and inlet and outlet position of directly opposite inlet and outlet cavity LCP with a simple structure on pouch lithium‐ion battery temperature field and cold plate pressure drop are studied.…”

Section: Introductionmentioning

confidence: 99%

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Heat Dissipation Effects of Cavity Cooling Plate with Directly Opposite Inlet and Outlet on Lithium‐Ion Battery

et al. 2021

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Due to its high thermal sensitivity, a power lithium‐ion battery for vehicles requires an efficient cooling system to ensure safety and good performance. Excellent heat dissipation capacity enables the liquid cold plate cooling system to have better application prospects. However, all existing cold plates improve their cooling capacity by increasing the complexity of their structure. Therefore, directly opposite inlet and outlet cavity cold plate cooling systems with simple structures are established. Two kinds of cavity cold plates (Model I and Model L) with different inlet and outlet positions are analyzed using the numerical simulation method. The effects of inlet and outlet sizes, coolant mass flow rate (qm), and inlet and outlet positions on the temperature field as well as the cold plate pressure drop are studied. According to the results, maximum temperatures of batteries appear at four corners of cavity cold plates, which are lower than 35 °C. The cooling capacity and temperature uniformity of Model I cooling systems are better than those of Model L. However, the heat dissipation capacity of Model L is more sensitive to qm than that of Model I. Pressure drop of Model L is smaller. This method meets the heat dissipation of vehicle pouch lithium‐ion batteries.

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Section: Model Description and Solutionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Heat Dissipation Effects of Cavity Cooling Plate with Directly Opposite Inlet and Outlet on Lithium‐Ion Battery

et al. 2021

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Topology design of cold plates for pouch battery thermal management considering heat distribution characteristics

Luo

Dai

et al. 2023

Applied Thermal Engineering

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Numerical Investigation on Thermo-Hydraulic Performance of a Micro-channel Liquid Cooled Battery Thermal Management System

Bidwaik,

Nikam,

Bhusnoor

2024

Preprint

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An effective Battery Thermal Management Systems (BTMS) is essential for maintaining optimal temperature conditions within lithium-ion (LiFePO4) battery packs, thereby ensuring the battery's optimum performance, enhanced cycle life, and safety. Among various cooling methods, liquid cooling stands out as the preferred choice for BTMS. This study introduces a novel liquid-cooled system integrated with micro-channels within the battery casing. The impact of operating parameters (Reynolds Number (Re) and mass flow rate) on the 10 cylindrical LiFePO4 battery pack (21700 type) has been studied numerically and theoretically. The investigations revealed that as the Re increases from 400 to 700 the battery pack’s maximum temperature (Tmax) decreases from 42.06°C to 40.61°C, and the temperature difference (ΔTmax) decreases from 2.45°C to 1.94°C. Also, the coolant outlet temperature decreases from 38°C to 35°C, while the pressure drop (ΔP) increases from 3410 Pa to 3990 Pa. The use of micro-channels in the BTMS resulted in significant coolant conservation, saving the coolant ∼76% and the convective heat transfer coefficient (CHTC) showed an approximately 125% increase in comparison to previously published studies on both mini-channels and macro-channels.

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Thermal management performance of cavity cold plates for pouch Li‐ion batteries using in electric vehicles

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 5 publications

References 38 publications

Heat Dissipation Effects of Cavity Cooling Plate with Directly Opposite Inlet and Outlet on Lithium‐Ion Battery

Heat Dissipation Effects of Cavity Cooling Plate with Directly Opposite Inlet and Outlet on Lithium‐Ion Battery

Topology design of cold plates for pouch battery thermal management considering heat distribution characteristics

Numerical Investigation on Thermo-Hydraulic Performance of a Micro-channel Liquid Cooled Battery Thermal Management System

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