Research on battery liquid-cooled system based on the parallel connection of cold plates

Abstract

The performance of a power battery is greatly affected by temperature. This paper optimized the power battery liquid-cooled system and put forward the way of adding fins to the liquid-cooled plate to improve the cooling efficiency of the thermal management system. In this paper, a liquid-cooled battery system model was established, and the thermal balance performance of the parallel liquid-cooled system was studied through numerical analysis. The results show that the parallel liquid-cooled system with an optimized shunt could maintain the maximum temperature of the battery system below 44.31 °C, and the temperature difference of the battery system could maintain at 3 °C, which could meet the temperature requirements of the power battery system.

A Review of the Power Battery Thermal Management System with Different Cooling, Heating and Coupling System

“…Simulation results show that reducing the spacing between batteries will improve the maximum temperature of the battery, but it can improve the temperature consistency of the battery; the larger cell spacing reduces the maximum temperature of the cells, but also increases the temperature difference between the cells. Tang et al [33] studied the method of adding fins to the liquid cooling plate to improve the cooling efficiency of the thermal management system, established a liquid-cooled battery system model, and studied the heat balance performance of the parallel liquid cooling system through numerical analysis. Its position structure is shown in Figure 3.…”

“…According to the form of phase-change material, it can be divided into solid-solid phase-change materials, solid-liquid phase-change materials, solid-gas phasechange materials, and liquid-phase-change materials. At present, the focus of industry [33]. R Reproduced from reference [33], with permission from AIP, copyright 2020.…”

“…At present, the focus of industry [33]. R Reproduced from reference [33], with permission from AIP, copyright 2020.…”

“…Figure 3. Position structure diagram of fin-liquid cooling plate[33]. R Reproduced from reference[33], with permission from AIP, copyright 2020.…”

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

“…Some researchers have added fins to straight‐channel LCP to improve the performance of LCP. [ 41–43 ] For example, Xu et al researched the impacts of many factors on the heat dissipation of fin straight‐channel LCP by simulation. Results show that increasing number of fins can reduce temperature difference of cells.…”