Parametric study on thermal management system for the range of full (Tesla Model S)/ compact-size (Tesla Model 3) electric vehicles

Xu, Bin; Arjmandzadeh, Ziba

doi:10.1016/j.enconman.2023.116753

Cited by 22 publications

(3 citation statements)

References 22 publications

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“…For this reason, global automotive manufacturers have accelerated the research and development of heat pump systems with a coefficient of performance (COP) of >1. This is aimed at improving the heating efficiency of BEVs under low-temperature conditions and securing an enhanced driving range in terms of the amount of heat provided compared with the amount of energy consumed [15,16]. A heat pump is a heat transfer system designed to absorb heat from a low-temperature heat source and release it into a high-temperature heat source by utilizing the latent heat generated during the phase change of the refrigerant.…”

Section: Introduction 1research Backgroundmentioning

confidence: 99%

Adaptive Integrated Thermal Management System for a Stable Driving Environment in Battery Electric Vehicles

Bae,

Hyun,

Han

2024

Batteries

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With an increase in global warming, battery electric vehicles (BEVs), which are environmentally friendly, have been rapidly commercialized to replace conventional vehicles with internal combustion engines. Unlike traditional internal combustion engine vehicles, the powertrain system of BEVs operates with high efficiency, resulting in lower heat generation. This poses a challenge for cabin heating under low-temperature conditions. Conversely, under high-temperature conditions, the operating temperature of a high-voltage battery (HVB) is lower than the ambient air temperature, which makes cooling through ambient air challenging. To overcome these challenges, in this study, we proposed an integrated thermal management system (ITMS) based on a heat pump system capable of stable thermal management under diverse climatic conditions. Furthermore, to assess the ability of the proposed ITMS to perform thermal management under various climatic conditions, we integrated a detailed powertrain system model incorporating BEV specifications and the proposed ITMS model based on the heat pump system. The ITMS model was evaluated under high-load-driving conditions, specifically the HWFET scenario, demonstrating its capability to perform stable thermal management not only under high-temperature conditions, such as at 36 °C, but also under low-temperature conditions, such as at −10 °C, through the designated thermal management modes.

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Section: Introduction 1research Backgroundmentioning

confidence: 99%

Adaptive Integrated Thermal Management System for a Stable Driving Environment in Battery Electric Vehicles

Bae,

Hyun,

Han

2024

Batteries

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“…Our group's research focused on the customer-relevant features of range, efficiency, and lifetime, providing data from the cell level up to the vehicle level. Specifically, studies were carried out on a Tesla Model 3 at the vehicle level, focusing on specific modules such as evaluating driving assistance functions [16] and thermal management system in comparison to other Tesla models [17]. In addition, Ank et al [18] provided a teardown analysis of Tesla's cylindrical cells on the component level.…”

Section: Introductionmentioning

confidence: 99%

Quantifying the State of the Art of Electric Powertrains in Battery Electric Vehicles: Comprehensive Analysis of the Tesla Model 3 on the Vehicle Level

Rosenberger,

Rosner,

Bilfinger

et al. 2024

WEVJ

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Data on state-of-the-art battery electric vehicles are crucial to academia; however, these data are not published due to non-disclosure policies in the industry. As a result, simulation models and their analyses are based on assumptions or insider information. To fill this information gap, we present a comprehensive analysis of the electric powertrain of a Tesla Model 3 Standard Range Plus (SR+) from 2020 with lithium iron phosphate (LFP) cells, focusing on the overall range. On the vehicle level, we observe the resulting range in multiple test scenarios, tracing the energy path from source to sink by conducting different test series on the vehicle dynamometer and through alternating current (AC) and direct current (DC) charging measurements. In addition to absolute electric range tests in different operating scenarios and electric and thermal operation strategies on the vehicle level, we analyze the energy density and the power unit’s efficiency on the component level. These tests are performed through procedures on the chassis dynamometer as well as efficiency analysis and electric characterization tests in charge/discharge scenarios. This study includes over 1 GB of attached measurement data on the battery pack and vehicle level from the lab to the real-world environment available as open-source data.

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“…[ 3 ] Several countries and regions have introduced policies to incentivize the sale of EVs to reduce greenhouse gas emissions. [ 4 ] Currently, lithium‐ion batteries (LIBs), mainly employed as a core energy storage component of EVs, have attracted considerable attention from EV manufacturers because of their high energy density, long cycle life, and low self‐discharge. [ 5 ] Nevertheless, LIBs generate excess heat during charging or discharging.…”

Section: Introductionmentioning

confidence: 99%

Simulation Study on Thermal Performance of an Indirect Boiling Cooling Cylindrical Battery System with Two‐Phase Coolant R141b

Tang,

Ji,

Sun

et al. 2023

Energy Tech

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In this study, a novel indirect boiling cooling battery thermal management system with two‐phase coolant R141b is proposed for the commercial cylindrical lithium‐ion battery pack. The heat conduction blocks are used to enlarge the heat transfer area between batteries and straight round tubes, and the R141b coolant flows and boils inside tubes to remove heat generated from batteries. Three‐dimensional simulation models are built and used to study the influence of partial structural parameters (height of heat conduction blocks, number and diameter of round tubes), the flow pattern layout, the coolant flow rate, and the battery discharge rate on the cooling performance of BTMS. The results show that the cross‐flow layout significantly improves the temperature uniformity of the batteries, with the maximum temperature difference reduced by 30% compared to the concurrent flow. Meanwhile, the appropriate geometrical parameters can further improve both cooling capacity of the BTMS and the temperature uniformity of the batteries. When the optimized structure with a coolant flow rate of 0.1 L min−1 under the cross‐flow layout, the maximum temperature and maximum temperature difference of batteries discharged at 2C reduced to 38.6 and 3.81°C, which are 97% and 64% of those in the concurrent flow, respectively.This article is protected by copyright. All rights reserved.

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Parametric study on thermal management system for the range of full (Tesla Model S)/ compact-size (Tesla Model 3) electric vehicles

Cited by 22 publications

References 22 publications

Adaptive Integrated Thermal Management System for a Stable Driving Environment in Battery Electric Vehicles

Adaptive Integrated Thermal Management System for a Stable Driving Environment in Battery Electric Vehicles

Quantifying the State of the Art of Electric Powertrains in Battery Electric Vehicles: Comprehensive Analysis of the Tesla Model 3 on the Vehicle Level

Simulation Study on Thermal Performance of an Indirect Boiling Cooling Cylindrical Battery System with Two‐Phase Coolant R141b

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