Electric vehicle battery thermal management system with thermoelectric cooling

Lyu, You; Siddique, Abu; Majid, Shaikh Hasibul; Biglarbegian, Mohammad; Gadsden, S. Andrew; Mahmud, Shohel

doi:10.1016/j.egyr.2019.06.016

Cited by 265 publications

(85 citation statements)

References 16 publications

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“…9 Nevertheless, it has the same limitation as PCM that no active method is used to adjust the cooling performance. 10 Different from the passive ones, active BTMS is characterized by the application of pump or fan to adjust cooling performance actively, which mainly includes aircooling and pumped liquid-cooling. Air-cooling system orients massive air to cool the battery pack, featured with simple design and accessibility.…”

Section: Discussionmentioning

confidence: 99%

“…Heat pipe can transfer considerable amount of heat via phase‐changing process over long distance . Nevertheless, it has the same limitation as PCM that no active method is used to adjust the cooling performance . Different from the passive ones, active BTMS is characterized by the application of pump or fan to adjust cooling performance actively, which mainly includes air‐cooling and pumped liquid‐cooling.…”

Section: Introductionmentioning

confidence: 99%

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Experimental study on thermal performance of a pumped two‐phase battery thermal management system

2020

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Summary Battery thermal management system (BTMS) is of great significance to keep battery of new energy vehicle (NEV) within favorable thermal state, which attracts extensively attention from researchers and automobile manufacturers. As one BTMS scheme, pumped two‐phase system displays excellent cooling capacity owing to large amount of latent heat usage, while there is limited research efforts focusing on the feasibility of the BTMS scheme. This paper experimentally investigates thermal performance of a pumped two‐phase BTMS heated by a dummy battery with relative high heat fluxes. The effects of heat fluxes, flow rates and cold source temperatures on thermal performance have been studied and conclusions have been drawn accordingly. The results show that the thermal performance of the system is generally enhanced with the increase of the refrigerant flow rates. When the heat flux and cold source temperature are 0.11 W/cm2 and 10°C, respectively, tavg and △tmax are decreased by 3.4°C and 0.5°C, respectively, when the refrigerant flow rate is increased from 0.20 to 1.67 L/min. Meanwhile, heat transfer coefficient is also improved with an increase of the flow rates, while the enhancements become less obvious under high heat flux. In addition, the tavg and △tmax of cold plate surface are increased when the heat flux is elevated, while the tavg at the low flow rate is increased slightly. However, the increase of △tmax is more obvious at the low flow rate, compared to that at high flow rate. When the heat flux is increased from 0.11 to 0.60 W/cm2, tavg is increased by 3.8°C under the flow rate of 0.2 L/min, while that at the flow rate of 1.67 L/min is almost doubled. Meanwhile, the heat transfer coefficient is increased monotonously at the low flow rate, while that at the high flow rate is first decreased and then increased. Besides, lower surface temperatures can be obtained with low cold source temperatures. However, cold source temperatures affect temperature uniformity less.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental study on thermal performance of a pumped two‐phase battery thermal management system

2020

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“…Figure 9 shows a typical structure of TEC in hybrid BTMS. Lyu et al [76] combined TEC with active cooling methods. TEC transfers the heat from the condenser side and forced air assists TEC to move the heat to the outer space.…”

Section: Thermoelectric Cooling Coupled With Other Basic Btmsmentioning

confidence: 99%

Hybrid Battery Thermal Management System in Electrical Vehicles: A Review

et al. 2020

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The Li-ion battery is of paramount importance to electric vehicles (EVs). Propelled by the rapid growth of the EV industry, the performance of the battery is continuously improving. However, Li-ion batteries are susceptible to the working temperature and only obtain the optimal performance within an acceptable temperature range. Therefore, a battery thermal management system (BTMS) is required to ensure EVs’ safe operation. There are various basic methods for BTMS, including forced-air cooling, liquid cooling, phase change material (PCM), heat pipe (HP), thermoelectric cooling (TEC), etc. Every method has its unique application condition and characteristic. Furthermore, based on basic BTMS, more hybrid cooling methods adopting different basic methods are being designed to meet EVs’ requirements. In this work, the hybrid BTMS, as a more reliable and environmentally friendly method for the EVs, will be compared with basic BTMS to reveal its advantages and potential. By analyzing its cost, efficiency and other aspects, the evaluation criterion and design suggestions are put forward to guide the future development of BTMS.

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“…Heat dissipation of batteries can be distinguished by natural convection and forced convection. Most battery thermal management systems use a cooling system with forced convection to maintain an optimal temperature operation range for the batteries [15]. Only a few studies have employed a cooling system involving natural convection [16].…”

Section: Introductionmentioning

confidence: 99%

Thermal Analysis of a Parallel-Configured Battery Pack (1S18P) Using 21700 Cells for a Battery-Powered Train

et al. 2020

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In this study, the thermal behavior of a 1S18P battery pack is examined based on the power demand during train propulsion between two stations. The proposed thermal prediction model is classified into Joules heating with equivalent resistance, reversible heat, and heat dissipation. The equivalent resistances are determined by 5% of the state of charge intervals using the hybrid pulse power characterization test. The power demand profile during train propulsion between two stations is provided by the Korea Railroad Research Institute. An experiment is conducted to examine the 1S18P battery pack thermal behavior during the propulsion between two stations. A comparison of the simulation and experiment results validated the proposed thermal model. Electronics 2020, 9, 447 2 of 13 electrochemical thermal model require chemical parameters which are hard to examine. Therefore, a simplified electro-thermal model was introduced and classified the heat generation term into reversible heat and Joule heat. An electrochemical reaction (including polarization and entropy change) generates reversible heat. Joule heating occurs due to the resistance during the transfer of ions and electrons. A simplified thermal model of a lithium-ion battery was examined by Onda et al. [9]. Equivalent resistances are obtained by state of charge (SOC) intervals and employed for Joule heating. Additionally, entropy change is measured at different SOCs and applied to reversible heat [14]. Tables 1 and 2 are definitions and descriptions of abbreviation and symbols used in this paper.

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Electric vehicle battery thermal management system with thermoelectric cooling

Cited by 265 publications

References 16 publications

Experimental study on thermal performance of a pumped two‐phase battery thermal management system

Experimental study on thermal performance of a pumped two‐phase battery thermal management system

Hybrid Battery Thermal Management System in Electrical Vehicles: A Review

Thermal Analysis of a Parallel-Configured Battery Pack (1S18P) Using 21700 Cells for a Battery-Powered Train

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