Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries

With the improvement of lithium-ion battery (LIB) technology, safety is becoming increasingly urgent topic for battery electric vehicles (BEVs). Short circuits, overcharging, high temperatures and overheating can cause thermal runaway reactions and the release of the flammable electrolyte which make...

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Main Authors: Cagri Un, Kadir Aydın
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Vehicles
Subjects:
Online Access:https://www.mdpi.com/2624-8921/3/3/29
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author Cagri Un
Kadir Aydın
author_facet Cagri Un
Kadir Aydın
author_sort Cagri Un
collection DOAJ
description With the improvement of lithium-ion battery (LIB) technology, safety is becoming increasingly urgent topic for battery electric vehicles (BEVs). Short circuits, overcharging, high temperatures and overheating can cause thermal runaway reactions and the release of the flammable electrolyte which makes fire suppression very difficult. This study focuses on the mechanism of thermal runaway and fire suppression applications of LIBs. In order to understand this, 10 experiments were carried out. The experiments were divided into as Exp. A and Exp. B. A manual water suppression system was used in Exp. A and an automatic boron-based suppression system (AUT-BOR) was used in Exp. B. LIBs were heated in a controlled manner with a heat source and the effects of thermal runaway and fire suppression were observed. In Exp. A, a large amount of water was required to extinguish the LIB fires. The holes and slits which formed in the LIB after a fire were useful for injecting water. A projectile effect of cylindrical cells was observed in Exp. A. The Exp. B results showed that AUT-BOR mitigates risks effectively and safely. Also, AUT-BOR provides an early fire warning system and spot cooling to prevent thermal runaway reactions while localizing and suppressing the fire. In Exp. B, fire detection and suppression occurred without any explosion.
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spelling doaj.art-849f6aad90e043bba8c6c83031689c0a2023-11-22T15:35:30ZengMDPI AGVehicles2624-89212021-08-013348049710.3390/vehicles3030029Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion BatteriesCagri Un0Kadir Aydın1Automotive Engineering Department, Çukurova University, Adana 01330, TurkeyMechanical Engineering Department, Çukurova University, Adana 01330, TurkeyWith the improvement of lithium-ion battery (LIB) technology, safety is becoming increasingly urgent topic for battery electric vehicles (BEVs). Short circuits, overcharging, high temperatures and overheating can cause thermal runaway reactions and the release of the flammable electrolyte which makes fire suppression very difficult. This study focuses on the mechanism of thermal runaway and fire suppression applications of LIBs. In order to understand this, 10 experiments were carried out. The experiments were divided into as Exp. A and Exp. B. A manual water suppression system was used in Exp. A and an automatic boron-based suppression system (AUT-BOR) was used in Exp. B. LIBs were heated in a controlled manner with a heat source and the effects of thermal runaway and fire suppression were observed. In Exp. A, a large amount of water was required to extinguish the LIB fires. The holes and slits which formed in the LIB after a fire were useful for injecting water. A projectile effect of cylindrical cells was observed in Exp. A. The Exp. B results showed that AUT-BOR mitigates risks effectively and safely. Also, AUT-BOR provides an early fire warning system and spot cooling to prevent thermal runaway reactions while localizing and suppressing the fire. In Exp. B, fire detection and suppression occurred without any explosion.https://www.mdpi.com/2624-8921/3/3/29lithium-ion batteriesBEVsthermal runawayfire suppressionboron
spellingShingle Cagri Un
Kadir Aydın
Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
Vehicles
lithium-ion batteries
BEVs
thermal runaway
fire suppression
boron
title Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
title_full Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
title_fullStr Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
title_full_unstemmed Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
title_short Thermal Runaway and Fire Suppression Applications for Different Types of Lithium Ion Batteries
title_sort thermal runaway and fire suppression applications for different types of lithium ion batteries
topic lithium-ion batteries
BEVs
thermal runaway
fire suppression
boron
url https://www.mdpi.com/2624-8921/3/3/29
work_keys_str_mv AT cagriun thermalrunawayandfiresuppressionapplicationsfordifferenttypesoflithiumionbatteries
AT kadiraydın thermalrunawayandfiresuppressionapplicationsfordifferenttypesoflithiumionbatteries