The effect of reducing the thermal contact resistance on the performance of battery thermal management system

Zhang, Wencan; Ling, Guozhi; Zhuang, Liangpiao; Liang, Zhicheng

doi:10.1002/er.6491

Cited by 27 publications

(3 citation statements)

References 28 publications

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“…TIM has a non-uniform thickness in the order of micrometers, corresponding to surface roughness of the plates, resulting in the nonuniform thermal resistance. Temperature imaging at the interface would provide useful insight into the advanced thermal management [6]. Therefore, it is necessary to measure the microfluidic temperature field of a fluid.…”

Section: Introductionmentioning

confidence: 99%

Fluorescence Anisotropy as a Temperature-Sensing Molecular Probe Using Fluorescein

2021

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Fluorescence anisotropy, a technique to study the folding state of proteins or affinity of ligands, is used in this present work as a temperature sensor, to measure the microfluidic temperature field, by adding fluorophore in the liquid. Fluorescein was used as a temperature-sensing probe, while glycerol–aq. ammonia solution was used as a working fluid. Fluorescence anisotropy of fluorescein was measured by varying various parameters. Apart from this, a comparison of fluorescence anisotropy and fluorescence intensity is also performed to demonstrate the validity of anisotropy to be applied in a microfluidic field with non-uniform liquid thickness. Viscosity dependence and temperature dependence on the anisotropy are also clarified; the results indicate an appropriate selection of relation between molecule size and viscosity is important to obtain a large temperature coefficient in anisotropy. Furthermore, a practical calibration procedure of the apparatus constant is proposed. In addition, the potential of temperature imaging is confirmed by the measurement of temperature distribution under focused laser heating.

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Section: Introductionmentioning

confidence: 99%

Fluorescence Anisotropy as a Temperature-Sensing Molecular Probe Using Fluorescein

2021

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“…Three different CPCM materials [34][35][36] were selected as a comparison through numerical simulations-summarised in Table 2.…”

Section: Cpcmmentioning

confidence: 99%

“…Table 2. Material characteristics of the three different CPCMs-adapted with permission from [34][35][36].…”

Section: Cpcmmentioning

confidence: 99%

Numerical Investigation of Thermal Management of a Large Format Pouch Battery Using Combination of CPCM and Liquid Cooling

Xu,

Ma,

Souri

et al. 2024

Batteries

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As electric vehicles (EVs) gain market dominance, ensuring safety during the battery usage is crucial. This paper presents a new thermal management approach to address the battery heat accumulation challenge through a novel combination of composite phase change material (CPCM) with liquid cooling systems. An optimised hybrid cooling model is developed to evaluate the proposed battery thermal management system (BTMS) under high-temperature and high-power conditions. Benchmark studies are conducted to assess the impact of inlet position, inlet flow rate, and flow channel distribution on the cooling performance to achieve a uniform temperature distribution within the battery. The optimised BTMS, consisting of a five-cell battery pack, demonstrates a maximum temperature of 41.15 °C and a temperature difference of 4.89 °C in a operating condition at 36 °C with a discharge rate of 3 C. The BTMS outperforms the initial model, reducing the maximum temperature by 1.5%, temperature difference by 5%, and liquid fraction by 13%, with a slight (1.3%) increase in weight. The cooling performance is most efficient at a liquid flow rate of 0.1 m/s, minimising energy consumption. The proposed BTMS with CPCM-3 is also sufficient enough to keep the battery pack under a thermal runaway event. Overall, the theoretical simulation highlights the BTMS’s ability to effectively control battery temperatures and temperature differences, ensuring safe operation during high-temperature and high-power conditions in practical EV usage.

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A comprehensive review on battery thermal management system for better guidance and operation

et al. 2023

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Batteries are essential to mobilization and electrification as they are used in a wide range of applications, from electric vehicles to small mobile devices. All these devices are powered with AC or DC inside their systems, so they require different battery systems depending on their technical requirements. Batteries show unique characteristics depending on their types, and their needs vary based on their performance, ambient conditions, and so forth. One of the main demands for them is thermal stability. For batteries, thermal stability is not just about safety; it's also about economics, the environment, performance, and system stability. This paper has evaluated over 200 papers and harvested their data to build a collective understanding of battery thermal management systems (BTMSs). These studies are specifically designed to solve different problems. This paper has been prepared to show what these systems are, how they work, what they have been designed for, and under what conditions they should be applied. The BTMSs have been evaluated based on their method, method tools, discharge rate, maximum temperature, temperature difference values, and ambient and inlet temperatures. After evaluating over 200 studies, the results indicate that the passive BTMSs are not useful the cases where the temperature reaches higher values suddenly, especially for system systems that require higher discharge rates. On the other hand, active cooling methods do not manage the temperature difference in the battery cells. However, hybrid cooling methods address both cases admirably by compensating for both of their weaknesses and bringing out their advantages. The general optimum temperature for lithium battery batteries is 55°C. Even though there are many other parameters that need to be considered before making a decision for a BTMS design, the best performance for an optimum system seems to be methods 34, 38, and 22 as they are able to provide lower maximum temperature and temperature difference in the cells.

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The effect of reducing the thermal contact resistance on the performance of battery thermal management system

Cited by 27 publications

References 28 publications

Fluorescence Anisotropy as a Temperature-Sensing Molecular Probe Using Fluorescein

Fluorescence Anisotropy as a Temperature-Sensing Molecular Probe Using Fluorescein

Numerical Investigation of Thermal Management of a Large Format Pouch Battery Using Combination of CPCM and Liquid Cooling

A comprehensive review on battery thermal management system for better guidance and operation

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