Battery module immersion test

Thermal management for the prismatic lithium-ion battery pack

Similar to the NC module, the LIC module operated in the single-phase cooling mode under both test conditions, i.e., the battery heat was mainly removed by convective heat transfer between the battery surface and FS49 liquid. The corresponding maximum temperatures of the LIC module were 33.6℃ and 35℃, which were 3.3℃ and 3.7℃ lower than NC module,

Theoretical and experimental investigations on liquid immersion

The battery testing system used in this work was CT-4008 T-5V12A-S1 high-precision three-range battery tester, with a maximum allowable charge/discharge current of 12

Ultra-fast charging thanks to immersive cooling

Immersion cooling A sealed battery module is flooded with a dielectric fluid –the fluid directly comes into contact with the cells The liquid prevents thermal runaway propagation giving a passive safety feature Cooling of all auxiliairies: electronics, bus-bars, electrodes, at the same time: Higher balancing currents and thinner wires are possible No need for gap fillers

The electro-thermal equalization behaviors of battery modules

Battery immersion cooling test was developed for electro-thermal performance. Immersion cooling mitigates the aggravation of voltage deviation of batteries. Effect of

New environmentally friendly fluids for battery cooling

Performance assessment for 5C - Single phase direct cooling test •Dummy battery module made of prismatic LTO* cells •Direct cooling with a liquid fluid •Measure with various fluids and flow rate conditions •Heat transfer coefficient, •Temperature uniformity •Wall superheat 1mm gap 1mm gap 1mm gap 2mm gap 1mm gap (*) LTO Toshiba 10Ah Source: EXOES. SAE International®

Theoretical and experimental investigations on liquid immersion

Because a battery pack typically consisted of 60 cylindrical Li-ion cells in EVs, and a single integrated battery module was composed of multiple battery packs. Therefore, few studies on the immersion cooling battery packs with 60 cells or more were conducted. Park et al.

Theoretical and experimental investigations on liquid immersion

The battery testing system used in this work was CT-4008 T-5V12A-S1 high-precision three-range battery tester, with a maximum allowable charge/discharge current of 12 A and a maximum allowable voltage of 5 V. The tester can perform the tests under various conditions, including constant current charge/discharge conditions, constant voltage

Assessment of immersion cooling fluids for electric vehicle battery

battery module, based on prismatic cells design, connected to a test rig to simulate the cooling loop that would be installed on a vehicle. This paper yields the results of the first of these steps.

Battery immersion cooling

EXOES designs and tests prototype modules for immersion cooled batteries in all 3 cell formats: cylindrical, prismatic or pouch in order to test the design and performance of fluids. EXOES has completed more than 12 immersion-cooled

Optimization of the active battery immersion cooling based on a

Applying an interdigitated manifold system and checkerboard topology, the flow distribution of immersion cooling and inherently the thermal performance of batteries are

Immersion test of batteries – battery testing

The immersion test of batteries is done to check the battery''s resistance to liquid short circuits, corrosion, and oxidization. Immersion tests ensure that the battery fulfills the usage requirements. Immersion is included in several different

Optimization of the active battery immersion cooling based on a

Applying an interdigitated manifold system and checkerboard topology, the flow distribution of immersion cooling and inherently the thermal performance of batteries are improved. Results show that, with the increase of the charge and discharge rate, the advantage of arranging the inlet and outlet at the same-side outstands.

Experimental study on the thermal management performance of immersion

Experimental data reveals that the average temperature of the oil-immersion-cooled battery module was around 26.3 % lower than that of the naturally air-cooled battery module under a 2 C discharge condition with zero flow rate. The cooling capacity of the oil-immersion system was limited, with theoretical analyses indicating an optimal flow rate of 200

Experimental and Theoretical Analysis of Immersion Cooling of a

This section describes an experimental test bed for investigating the immersion cooling of a battery pack. Key experimental details, including cells, coolants, measurement setup, and process, are described as follows.

Assessment of immersion cooling fluids for electric vehicle battery

battery module, based on prismatic cells design, connected to a test rig to simulate the cooling loop that would be installed on a vehicle. This paper yields the results of the first of these steps.

Battery immersion cooling

Battery Immersion Cooling Testing & Research

SwRI provides abuse testing services for battery modules and packs, with the option for integration with immersion cooling technology, which enables clients to assess the resilience and effectiveness of their battery systems in real-world scenarios.

Experimental and Theoretical Analysis of Immersion Cooling of a Li

This section describes an experimental test bed for investigating the immersion cooling of a battery pack. Key experimental details, including cells, coolants, measurement

Numerical and experimental investigations on heat transfer

The dynamic liquid immersion cooling system is shown in Fig. 2, which is composed of an immersion vessel, battery module, battery charge/discharge test system, computer, temperature collector, thermostatic circulating water bath, and electronic digital flow meter. The internal dimensions of the immersion vessel are 310 mm × 310 mm × 315 mm

The electro-thermal equalization behaviors of battery modules

Battery immersion cooling test was developed for electro-thermal performance. Immersion cooling mitigates the aggravation of voltage deviation of batteries. Effect of immersion heights on electro-thermal equalization behavior was discussed. The equalization rates are proposed to assess equilibrium ability.

Immersion Cooling for Lithium–Ion Batteries at High Discharging

The immersion cooling model of the battery module is shown in Fig. 1, where the active material part of the battery was completely immersed in the coolant, and the dimensions of the immersion battery module were 346×38×128 mm. The thickness of the fluid domain on the side of the battery module and between each row of the cells was all 2 mm

Li-Ion Battery Pack Immersion Exploratory Investigation

Based off the research completed to date, a battery immersion test in water of lower salinity (<0.1% NaCl) and shorter immersion duration (<30 min) would be more stringent than a test with longer immersion duration (2 hours) in sea water (3.5% salinity).

Li-Ion Battery Pack Immersion Exploratory Investigation

Based off the research completed to date, a battery immersion test in water of lower salinity (<0.1% NaCl) and shorter immersion duration (<30 min) would be more stringent than a test

Single-phase static immersion cooling for cylindrical lithium-ion

2023) Single-phase static immersion cooling for cylindrical lithium-ion battery module, Applied Thermal Engineering, 121184. https://doi. Abstract The single-phase immersion cooling is an emerging

Battery Immersion Cooling Testing & Research

SwRI provides abuse testing services for battery modules and packs, with the option for integration with immersion cooling technology, which enables clients to assess the resilience

Immersion test of batteries – battery testing

Recent progress and prospects in oil-immersed battery thermal

Similarly, Liu et al. numerically studied the MO immersion cooling of a battery module composed of sixteen 38,120-type LIBs, and the results showed that when the flow rate increased to 0.2 m/s, the temperature difference of the battery module was 4.66 °C, and continuously increasing the flow rate would not only increase the pressure drop, but also limit

Battery module immersion test [PDF]

6 FAQs about [Battery module immersion test]

What is the experimental setup of liquid immersion cooling battery pack?

Experimental setup The experimental apparatus of the liquid immersion cooling battery pack was shown in Fig. 14, which primarily consisted of three parts: the circulation system, heating system, and measurement system. The coolant was YL-10 and it exhibited excellent compatibility with all the materials and devices used in this experiment.

How many immersion cooled battery modules does EXOES have?

EXOES has completed more than 12 immersion-cooled battery modules that are representative of a future series design. The precision of the design is approved by vehicle manufacturers: from the choice of cell to the characterization of battery cells, the design of the busbars, and the laser welding of the cells, etc.

Can active immersion cooling improve the thermal performance of batteries?

Finally, a battery module using the optimal arrangement is analyzed, and the heat transfer and temperature uniformity of batteries in different positions are discussed. The study shows that the active immersion cooling based on self-organized fluid flow design can effectively improve the thermal performance of batteries.

What is the temperature control process of immersion cooling battery pack?

To facilitate the observation of the temperature control process of the immersion cooling battery pack, the heating rods were initially heated to 35 °C before initiating the circulation of the coolant. The coolant inlet temperature was set to 25 °C (controlled by the thermostatic bath), and the coolant flow rate was sequentially adjusted.

Is a battery immersion test more stringent than a water immersion test?

Battery degradation/discharge occurred quicker in 3.5% salinity water. Based off the research completed to date, a battery immersion test in water of lower salinity (<0.1% NaCl) and shorter immersion duration (<30 min) would be more stringent than a test with longer immersion duration (2 hours) in sea water (3.5% salinity).

What is the temperature uniformity of immersion cooling battery pack?

The experimental apparatus of the immersion cooling battery pack was also developed to explore the heat dissipation and temperature uniformity at 2C discharge rate. The simulation results were in well agreement with the experimental results, with the deviation less than 0.43 °C when the flow rate exceeded 0.6 L/min.

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