3. Lin Guofa. Research on Temperature Field and Optimization of Heat Dissipation Structure of Lithium Battery Packs for Pure Electric Vehicles [D]. Chongqing University, (2011). 4. ZHANG Junxia. Thermal Characteristics Analysis and Optimization Design of Power Battery Packs for Electric Vehicles [D]. Tianjin University of Science and Technology
In this paper, the heat generation model and three-dimensional heat dissipation model of lithium-ion battery packs are established by using computational fluid dynamics (CFD) method. The temperature distribution law of battery pack is simulated and analyzed. The heat dissipation structure of battery pack is optimized.
To address the challenges posed by insufficient heat dissipation in traditional liquid cooled plate battery packs and the associated high system energy consumption. This
To address the challenges posed by insufficient heat dissipation in traditional liquid cooled plate battery packs and the associated high system energy consumption. This study proposes three distinct channel liquid cooling systems for square battery modules, and compares and analyzes their heat dissipation performance to ensure battery safety
Algorithmic and Simulated Based Structural Optimization of Air-Cooling Heat Dissipation Structure for EV Battery Pack . April 2020; IOP Conference Series Materials Science and Engineering 782(3
In this paper, optimization of the heat dissipation structure of lithium-ion battery pack is investigated based on thermodynamic analyses to optimize discharge performance
Firstly, a 3-D simulation model is established for heat dissipation characteristics simulation of a battery pack, and the simulation model is confirmed by
According to the different media, the BTMS can be categorized into air [10], liquid [11], and phase-change material cooling systems [12] pared with other media, air cooling system is widely used because of the simple structure, safety, and reliability [13].But due to the relatively low heat capacity and thermal conductivity of air, this will lead to problems
Moreover, different FHP heat dissipation structures are studied to further improve the battery thermal performance. The configuration with the best performance is adopted for the battery pack, and it can meet the heat dissipation requirements of the pack at a discharge rate of 3C or that of flying cars. Finally, the influence of inlet cooling
Since different battery arrangements affect the heat dissipation performance of battery pack, 4 arrangement structures as depicted in Fig. 1 are comparatively investigated, including 2 × 8 straight arrangement, 2 × 8 staggered arrangement, 4 × 4 straight arrangement and 4 × 4 staggered arrangement.
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
We discuss the air-cooling effect of the pack with four battery arrangements which include one square arrangement, one stagger arrangement and two trapezoid arrangements. In addition, the air-cooling strategy is studied by observing temperature distribution of the battery pack.
The existing studies mainly focus on the simulation of heat dissipation structure of lithium-ion battery pack, and there is relatively few literatures on simulation of supercapacitor module. This paper takes supercapacitor box of a tramcar as the research object. Firstly, a finite element model for heat dissipation is established. Then the heat dissipation characteristics are
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
heat dissipation structure for battery pack According to the simulation results, the factors that affect the air cooling and heat dissipation effects of the battery pack mainly include the input area, the outlet, and the battery gap, as shown in fig. 1. Figure 1. Schematic diagram of air cooling and heat dissipation structure of battery pack
To address the challenges posed by insufficient heat dissipation in traditional liquid cooled plate battery packs and the associated high system energy consumption. This study proposes three
The battery pack heat dissipation structure and parameters are shown in Figure1and Table1below. Figure 1. Battery pack heat dissipation structure: (a) battery pack location (b) battery pack internal structure. Table 1. Battery parameters. Parameters Value Battery Type LiFePO4 Nominal voltage 3.2 V Operating voltage range 2.5–3.65 V Rated capacity 277
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 paper can provide better theoretical guidance for the temperature rise, heat transfer and thermal management of automotive power battery.
In this paper, the heat generation model and three-dimensional heat dissipation model of lithium-ion battery packs are established by using computational fluid dynamics (CFD) method. The
We discuss the air-cooling effect of the pack with four battery arrangements which include one square arrangement, one stagger arrangement and two trapezoid arrangements. In addition,
Firstly, a 3-D simulation model is established for heat dissipation characteristics simulation of a battery pack, and the simulation model is confirmed by discharge experiment of a battery module. Then, the heat dissipation characteristics under different battery arrangement structures and ventilation schemes are contrastively analyzed, and an
The convection heat transfer of the battery pack is mainly reflected in two contributions: the convective heat transfer between the cooling air inside the battery pack and the battery cell surface, and the natural convective heat transfer between the battery package surface and the outside air.
heat dissipation structure for battery pack According to the simulation results, the factors that affect the air cooling and heat dissipation effects of the battery pack mainly include the input
The convection heat transfer of the battery pack is mainly reflected in two contributions: the convective heat transfer between the cooling air inside the battery pack and
In the process of optimizing the battery pack, the structure of the battery pack needs to be changed multiple times to obtain the optimal battery temperature. The time consumed by a large number of CFD calculations may take about several weeks, which is unacceptable. Therefore, the flow resistance and heat dissipation models are used to calculate the battery
This paper delves into the heat dissipation characteristics of lithium-ion battery packs under various parameters of liquid cooling systems, employing a synergistic analysis
This paper reviews the heat dissipation performance of battery pack with different structures (including: longitudinal battery pack, horizontal battery pack, and changing the position of air-inlet and air-outlet) and operation conditions (including: SOC state, charge and discharge rate, and practical operation condition), and finally arrives at
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. The findings demonstrate that a liquid cooling system with an initial coolant temperature of 15 °C and a flow rate of 2 L/min exhibits superior synergistic
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 battery pack safety. First, the heat generation and heat transfer model of the lithium-ion battery cell are derived based on thermodynamic theory. Then
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