This paper constructs a simple battery pack as the research object. Using Fluent software simulation analysis of the temperature and air flow field of the battery pack, the heat
Highlights • Studied the battery temperature within the battery pack using ANSYS Fluent. • Studied the influence of battery spacings on cooling performance of battery
Research institutes and related battery and automobile manufacturers have done a lot of researches on lithium-ion battery and BTMS worldwide [2].Panchal S et al. [3] established a battery thermal model using neural network approach which was able to accurately track the battery temperature and voltage profiles observed in the experimental results. . And
241 conductive adhesive has an impact on the heat dissipation of the battery pack; Compared with b structure, the highest temperature of c structure monomer filled with 1mm thick
Xu Xiaoming, Jiang Fuping, Tian Jinyue, et al. Research on the heat flow characteristics of battery packs based on heat conduction adhesive heat dissipation [J]. Automotive Engineering, 2017 (8
The field synergy principle and CFD technology were used to make a synergy analysis on its heat dissipation performance. Thermal flow fields of different air outlet modes were considered in this paper, and the results
2.1. Geometric Model. Figure 1 illustrates the mesh model of a battery module. Ten single prismatic lithium-ion batteries are arranged in parallel, the BTMS adopts the coupled heat dissipation method combining CPCM/liquid cooling, and the serpentine liquid flow channel is embedded in the 6 mm CPCM heat dissipation plate.
the best heat dissipation eect. Yang [18] concentrated on the heat ow eld of several air outlet techniques, and the results demonstrated that when the synergistic eect of the velocity eld and temperature gradient eld increased, the air-cooled battery pack''s heat dissipation performance improved. Carroll
It can be seen that the increase in the number of flat heat pipes increases the heat flow out of the battery and improves the heat dissipation effect of the heat management system. 4.2.3 11 flat heat pipes. Figure 14 shows the
The increasing demand for electric vehicles (EVs) has brought new challenges in managing battery thermal conditions, particularly under high-power operations. This paper provides a comprehensive review of battery thermal management systems (BTMSs) for lithium-ion batteries, focusing on conventional and advanced cooling strategies. The primary objective
impact of velocity and temperature field amplitudes on the heat dissipation performances of a battery pack with and without vents.The findings suggested that sensible venting could cause flow fields both internal and external to work together to achieve the best heat dissipation effect.Yang [18] concentrated on the heat flow
The generated heat consists of Joule heat and reaction heat, and both are affected by various factors, including temperature, battery aging effect, state of charge (SOC), and operation current.
Key words: lithium-ion power battery pack, temperature field simulation, optimization of heat dissipation structure, multi-objective function optimization
In this chapter, battery packs are taken as the research objects. Based on the theory of fluid mechanics and heat transfer, the coupling model of thermal field and flow field of battery packs is established, and the structure of aluminum cooling plate and battery boxes is optimized to solve the heat dissipation problem of lithium-ion battery packs, which provides
By analyzing the cooling characteristics, including convective heat transfer and mechanisms for enhancing heat dissipation, this paper seeks to enhance the efficiency of
Guo et al. [24], [25] conducted a quantitative analysis of the relationship between velocity and temperature field in 2-D laminar boundary layer flow and proposed the field synergy principle, which posits that reducing the angle between the temperature gradient and velocity vector can effectively enhance convective heat transfer. This principle has gained significant attention and
A Review of Advanced Cooling Strategies for Battery Thermal Management Systems in Electric Vehicles. June 2023; Symmetry 15(7):1322; strategy with excellent heat
The performance and life of a battery is, among other things, affected by the battery design, the materials used, and the operating temperature. For battery packs used in
This paper constructs a simple battery pack as the research object. Using Fluent software simulation analysis of the temperature and air flow field of the battery pack, the heat
battery temperature field model is simplified for two parts of the internal (heat source) and the battery housing (Johnson, 2002). Heat generation of lithium-ion battery: The battery working states and heat generation rates are different with different driving conditions of
Thermal management systems for lithium-ion batteries can be categorized into air cooling, phase change material (PCM) cooling, heat pipe cooling, and liquid cooling according to the method of heat dissipation [5, 6].Air cooling [7] uses air as the cooling medium for convective heat transfer, which is the simplest way of heat dissipation.However, the relatively
This work investigates the impact of pin-fins on the heat dissipation capability of the BTMS using the computational fluid dynamics (CFD) approach, designs
Battery thermal management system (BTMS) is a key to control battery temperature and promote the development of electric vehicles. In this paper, the heat dissipation model is used to calculate the battery temperature, saving a lot of calculation time compared with the CFD method. Afterward, sensitivity analysis is carried out based on the heat dissipation
In this work, simulation model of lithium-ion battery pack is established, different battery arrangement and ventilation schemes are comparatively analyzed, effects of
between batteries, a heat dissipation of electric vehicle based on safety architecture optimization is designed. The simulation is used to optimize the temperature field of the heat dissipation of the battery. A reasonable heat dissipation control scheme is formulated to
This paper delves into the heat dissipation characteristics of lithium-ion battery packs under various parameters of liquid cooling systems, employing a synergistic analysis approach.
Battery pack cooling system in electric car is investigated to improve the heat dissipation and maintain appropriate battery temperature [17]. The experimental and
on the temperature field of lithium ion battery pack was analyzed. The optimization scheme of heat dissipation structure of lithium ion battery pack was put forward, and the numerical simulation analysis of the optimization scheme was carried out.The results show that the heat dissipation effect of the heat dissipation structure is obviously
Some simulation results of air cooling and phase change show that phase change cooling can control the heat dissipation and temperature rise of power battery well. The research in this
In this paper, optimization of the heat dissipation structure of lithium-ion battery pack is investigated based on thermodynamic analyses to optimize discharge performance and ensure lithium-ion
Before simulating the heat dissipation characteristics of lithium-ion battery pack, assumptions are made as follows: Air flow velocity is relatively small, and it is an incompressible fluid during the whole heat transfer phase of the battery pack.
The research on the heat dissipation performance of the battery pack is the current research hotspot in the electric vehicle industry. In this paper, battery modules and battery pack are simplified to heat source and semi-closed chamber, respectively.
Therefore, the heat dissipation performance of the semi closed chamber which is based on air cooling can directly represent the temperature distribution of the battery pack as well as its performance.
Currently, the heat dissipation methods for battery packs include air cooling , liquid cooling , phase change material cooling , heat pipe cooling , and popular coupling cooling . Among these methods, due to its high efficiency and low cost, liquid cooling was widely used by most enterprises.
Thermal flow fields of different air outlet modes were considered in this paper, and the results show that the heat dissipation performance of air-cooled battery pack increases with the improvement of the synergy degree between velocity field and temperature gradient field.
The Tmax of the battery module decreased by 6.84% from 40.94°C to 38.14°C and temperature mean square deviation decreased (TSD) by 62.13% from 1.69 to 0.64. Importantly, the battery thermal management model developed in this study successfully met heat dissipation requirements without significantly increasing pump energy consumption.
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