Fig. 1 shows the liquid-cooled thermal structure model of the 12-cell lithium iron phosphate battery studied in this paper. Three liquid-cooled panels with serpentine channels are adhered to the surface of the battery, and with the remaining liquid-cooled panels that do not have serpentine channels, they form a battery pack heat dissipation module.
4 天之前· In this work, the liquid-based BTMS for energy storage battery pack is simulated and evaluated by coupling electrochemical, fluid flow, and heat transfer interfaces with the control
At a high discharge rate, compared with the series cooling system, the parallel sandwich cooling system makes the average temperature and maximum temperature of the
In single-phase cooling mode, the temperature of the battery at the center of the battery pack is slightly higher than that at the edge of the battery pack (the body-averaged temperature of the cell at the center of the battery pack was 44.48 °C, while that at the edge of the battery pack was 42.1 °C during the 3C rate discharge), but the temperature difference within
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 performance,
The increasing popularity of electric vehicles presents both opportunities and challenges for the advancement of lithium battery technology. A new longitudinal-flow heat
An analytical optimization approach is developed to effectively identify the optimal battery module cooling system that maintains a substantially low battery cell
Han et al. [26] investigated the influence of fin structure and fin dimension on the cooling performance of the lithium-ion battery immersion cooling pack with 1P32S 18,650 cells. The maximum temperature of the battery pack is lowered by 2.41 %, 2.57 % and 4.45 %, respectively, for circular, rectangular, and triangular fin configurations.
This study proposes three distinct channel liquid cooling systems for square battery modules, and compares and analyzes their heat dissipation performance to ensure battery
The results showed that the maximum temperature of the power battery pack dropped by 1 °C, and the temperature difference was reduced by 2 °C, which improved
The single cell battery used is 3400mAh, with a rated voltage of 3.7V. The total energy of the battery pack in the vehicle energy storage battery system is at least 330 kWh. A Novel MOGA approach for power saving strategy and optimization of maximum temperature and maximum pressure for liquid cooling type battery thermal management
The impact of air-cooling methodologies on the high-rate discharge performance has been investigated with three-dimensional thermal-electrochemical models [11,12].
With the energy crisis and environmental problems becoming increasingly significant, the development of new energy vehicles is receiving more and more attention [1].Lithium-ion batteries have become the main power source for pure electric vehicles and energy storage batteries due to their high energy density, long cycle life, low self-discharge rate, and
In order to improve the battery energy density, this paper recommends an F2-type liquid cooling system with an M mode arrangement of cooling plates, which can fully adapt to 1 C battery charge
Long-Life BESS. This liquid-cooled battery energy storage system utilizes CATL LiFePO4 long-life cells, with a cycle life of up to 18 years @ 70% DoD (Depth of Discharge) effectively reduces energy costs in commercial and industrial
In this study, design A, design B, design C, and design D, a total of four different arrangement designs of battery thermal management based on liquid-cooled plates with
In order to ensure thermal safety and extended cycle life of Lithium-ion batteries (LIBs) used in electric vehicles (EVs), a typical thermal management scheme was proposed
The maximum temperature difference between the adjacent cells within the battery pack obtained is limited to 0.12 °C which is less than 5 °C and the overall temperature of the battery pack is less than 28 °C under 5C discharge rate for 720 s and a lower cooling supply condition of 0.01 m/s.
The PCM cooling system has garnered significant attention in the field of battery thermal management applications due to its effective heat dissipation capability and its ability to maintain phase transition temperature [23, 24] oudhari et al. [25] designed different structures of fins for the battery, and studied the battery pack''s thermal performance at various discharge
During the cooling process, the maximum temperature difference of the battery pack does not exceed 5°C, and during the heating process, the maximum temperature
At the same average flow rate, the liquid immersion battery thermal management system with output ratio of 25 % is the optimal choice for the trade-off between
The investigation revealed that the inclusion of the eddy current channel significantly enhanced heat transmission in the cooling channel, resulting in a notable 10 % decrease in the maximum battery pack temperature. The two liquid cooling systems have greater cooling channel design and material selection requirements and need additional
The thermal management of lithium-ion batteries (LIBs) has become a critical topic in the energy storage and automotive industries. Among the various cooling methods, two-phase submerged liquid cooling is known to be the most efficient solution, as it delivers a high heat dissipation rate by utilizing the latent heat from the liquid-to-vapor phase change.
The battery thermal management system (BTMS) depending upon immersion fluid has received huge attention. However, rare reports have been focused on
This nanofluid exhibited a 12.6 % reduction in the maximum temperature difference of the battery pack compared to the water-cooled system, albeit with an associated increase in pressure drop. Moreover, Liao examined the cooling impact of Cu water-based nanofluid across volume fractions ranging from 1 % to 5 %.
In order to achieve ample power and energy, battery cells are consistently interconnected in various configurations to compose a battery pack. Within an indirect liquid cooling system, the battery surface and the coolant establish indirect contact through the walls of flow channels, ensuring secure and efficient heat dissipation for the battery pack [14] .
In the research on battery temperature management optimization, scholars have explored the potential of many combined cooling systems. For example, Yang et al. [31] focused on a combined system of phase change materials and air cooling, and applied it to a single cell and a stack.They found that the system effectively absorbs battery heat through PCM and
The liquid cooling systems could be divided into 2 categories [10]: the direct liquid cooling system, where the battery is in direct contact with a cooling liquid, that is a dielectric coolant, which is characterized by very high electric resistivity, but also very good thermal conductivity [11]; the other category is the indirect liquid cooling in which a coolant flows
This study presents a bionic structure-based liquid cooling plate designed to address the heat generation characteristics of prismatic lithium-ion batteries. The size of
Tete et al. [39] investigated a liquid-cooled lithium-ion battery pack with cylindrical cell casings and a square duct. The results revealed that the heat accumulation was minimized by enhancing
Through thermal management optimization, the maximum temperature rise of the battery relative to the initial temperature is controlled within 7.68 K, the temperature difference is controlled within 4.22 K (below the
A novel SF33-based LIC scheme is presented for cooling lithium-ion battery module under conventional rates discharging and high rates charging conditions. The primary objective of this study is proving the advantage of applying the fluorinated liquid cooling in lithium-ion battery pack cooling.
The results, as depicted in Fig. 6 (a), revealed that without liquid cooling (0 mL/min), the T max of the battery pack significantly exceeded the safety threshold of 50 °C, peaking at 54.8 °C, thereby underscoring the critical need for liquid cooling to mitigate overheating risks. A coolant flow rate of 50 mL/min nearly reached the risk threshold of 50 °C by the end of the discharge
Nowadays, the urgent need for alternative energy sources to conserve energy and safeguard the environment has led to the development of electric vehicles (EVs) by motivated researchers [1, 2].These vehicles utilize power batteries in various configurations (module/pack) [3] and types (cylindrical/pouch) [4, 5] to serve as an effective energy storage system.
Modeling Liquid Cooling of a Li-Ion Battery Pack with COMSOL Multiphysics® For this liquid-cooled battery pack example, a temperature profile in cells and cooling fins
Abstract. The Li-ion battery operation life is strongly dependent on the operating temperature and the temperature variation that occurs within each individual cell. Liquid-cooling is very effective in removing substantial amounts of heat with relatively low flow rates. On the other hand, air-cooling is simpler, lighter, and easier to maintain. However, for achieving similar
The optimization method ensured the maximum temperature control for the safe operation of the lithium-ion battery pack. The temperature of the battery pack was effectively
Lithium battery energy storage has become the development direction of future energy storage system due The dimension of a single cell is 148*52*97 connected twelve 3.7 V/40Ah batteries in series and installed them in an EV battery pack, with liquid cooling plates placed on both sides of the battery module. At a rate of 1C
Cell-to-pack (CTP) structure has been proposed for electric vehicles (EVs). However, massive heat will be generated under fast charging. To address the temperature control and thermal uniformity issues of CTP module under fast charging, experiments and computational fluid dynamics (CFD) analysis are carried out for a bottom liquid cooling plate based–CTP battery
Feng studied the battery module liquid cooling system as a honeycomb structure with inlet and outlet ports in the structure, and the cooling pipe and the battery pack are in indirect contact with the surroundings at 360°, which significantly improves the heat exchange effect.
For three types of liquid cooling systems with different structures, the battery’s heat is absorbed by the coolant, leading to a continuous increase in the coolant temperature. Consequently, it is observed that the overall temperature of the battery pack increases in the direction of the coolant flow.
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 performance, effectively enhancing the cooling efficiency of the battery pack.
Discussion: The proposed liquid cooling structure design can effectively manage and disperse the heat generated by the battery. This method provides a new idea for the optimization of the energy efficiency of the hybrid power system. This paper provides a new way for the efficient thermal management of the automotive power battery.
Considering that the indirect liquid cooling method is adopted in this power battery pack, the natural convection heat transfer between the battery and the external environment and the radiation heat transfer (which contributes to a small proportion) can be neglected.
Based on this, Wei et al. designed a variable-temperature liquid cooling to modify the temperature homogeneity of power battery module at high temperature conditions. Results revealed that the maximum temperature difference of battery pack is reduced by 36.1 % at the initial stage of discharge.
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