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Batteries
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Thermal Safety of Lithium Ion Batteries
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Thermal Safety of Lithium Ion Batteries

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Performance, Ageing, Reliability and Safety".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 18037

Special Issue Editor

Dr. Mingyi Chen

E-Mail Website
Guest Editor
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
Interests: thermal safety and thermal hazard of lithium-ion battery; thermal management; safety control and emergency management; fire and explosion suppression

Special Issue Information

Dear Colleagues,

At present, thermal safety issues, such as thermal runaway, fire, and the explosion of lithium-ion batteries (LIBs), have attracted public attention. Many accidents show that the thermal runaway of LIBs is currently the main cause of most fire and explosion accidents. On the other hand, the risk of the thermal runaway propagation of battery modules is high and the propagation speed is fast, which often causes serious loss of life and property, as well as adverse social impacts. Therefore, avoiding the thermal runaway of LIB modules and inhibiting the propagation of thermal runaway is an important requirement for the development of LIBs. In-depth research on thermal runaway risk management and control methods has important scientific significance and is also an international hot frontier. 

This Special Issue will address the development of the thermal safety of LIBs. Topics of interest for publication include, but are not limited to:

  • High-safety and high-performance battery design;
  • The development of safety additive materials for LIB;
  • Insights into thermal runaway mechanisms and thermal propagation mitigation;
  • Safety tests (mechanical, electrical, thermal abuse);
  • Degradation mechanisms and identification, elucidation, and diagnosis technology;
  • Thermal management (liquid cooling, air cooling, phase change materials cooling, coupled cooling, etc.);
  • Mechanism, characteristics, and propagation of battery thermal runaway, fire, and explosion;
  • Risk assessment and optimal safety control and emergency management;
  • The development, design, and utilization of detection and early-warning systems;
  • Thermal runaway propagation, fire, and explosion suppression.

Dr. Mingyi Chen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Batteries is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • safety design
  • safety materials
  • thermal runaway mechanism
  • safety tests
  • degradation diagnosis
  • thermal management
  • thermal runaway propagation
  • risk assessment
  • early warning
  • fire suppression

Published Papers (8 papers)

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Research

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14 pages, 3080 KiB  
Article
Assessment of Run-Off Waters Resulting from Lithium-Ion Battery Fire-Fighting Operations
by Arnaud Bordes, Arnaud Papin, Guy Marlair, Théo Claude, Ahmad El-Masri, Thierry Durussel, Jean-Pierre Bertrand, Benjamin Truchot and Amandine Lecocq
Batteries 2024, 10(4), 118; https://doi.org/10.3390/batteries10040118 - 31 Mar 2024
Viewed by 2424
Abstract
As the use of Li-ion batteries is spreading, incidents in large energy storage systems (stationary storage containers, etc.) or in large-scale cell and battery storages (warehouses, recyclers, etc.), often leading to fire, are occurring on a regular basis. Water remains one of the [...] Read more.
As the use of Li-ion batteries is spreading, incidents in large energy storage systems (stationary storage containers, etc.) or in large-scale cell and battery storages (warehouses, recyclers, etc.), often leading to fire, are occurring on a regular basis. Water remains one of the most efficient fire extinguishing agents for tackling such battery incidents, and large quantities are usually necessary. Since batteries contain various potentially harmful components (metals and their oxides or salts, solvents, etc.) and thermal-runaway-induced battery incidents are accompanied by complex and potentially multistage fume emissions (containing both gas and particles), the potential impact of fire run-off waters on the environment should be considered and assessed carefully. The tests presented in this paper focus on analyzing the composition of run-off waters used to spray NMC Li-ion modules under thermal runaway. It highlights that waters used for firefighting are susceptible to containing many metals, including Ni, Mn, Co, Li and Al, mixed with other carbonaceous species (soot, tarballs) and sometimes undecomposed solvents used in the electrolyte. Extrapolation of pollutant concentrations compared with PNEC values showed that, for large-scale incidents, run-off water could be potentially hazardous to the environment. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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26 pages, 4899 KiB  
Article
Innovative Early Detection of High-Temperature Abuse of Prismatic Cells and Post-Abuse Degradation Analysis Using Pressure and External Fiber Bragg Grating Sensors
by André Hebenbrock, Nury Orazov, Ralf Benger, Wolfgang Schade, Ines Hauer and Thomas Turek
Batteries 2024, 10(3), 92; https://doi.org/10.3390/batteries10030092 - 04 Mar 2024
Viewed by 1210
Abstract
The increasing adoption of lithium-ion battery cells in contemporary energy storage applications has raised concerns regarding their potential hazards. Ensuring the safety of compact and modern energy storage systems over their operational lifespans necessitates precise and dependable monitoring techniques. This research introduces a [...] Read more.
The increasing adoption of lithium-ion battery cells in contemporary energy storage applications has raised concerns regarding their potential hazards. Ensuring the safety of compact and modern energy storage systems over their operational lifespans necessitates precise and dependable monitoring techniques. This research introduces a novel method for the cell-specific surveillance of prismatic lithium-ion cells, with a focus on detecting pressure increases through the surface application of a fiber Bragg grating (FBG) sensor on a rupture disc. Commercially available prismatic cells, commonly used in the automotive sector, are employed as test specimens and equipped with proven pressure and innovative FBG sensors. Encompassing the analysis capacity, internal resistance, and pressure (under elevated ambient temperatures of up to 120 °C), this investigation explores the thermal degradation effects. The applied FBG sensor on the rupture disc exhibits reversible and irreversible state changes in the cells, offering a highly sensitive and reliable monitoring solution for the early detection of abuse and post-abuse cell condition analysis. This innovative approach represents a practical implementation of fiber optic sensor technology that is designed for strain-based monitoring of prismatic lithium-ion cells, thereby enabling customized solutions through which to address safety challenges in prismatic cell applications. In alignment with the ongoing exploration of lithium-ion batteries, this research offers a customizable addition to battery monitoring and fault detection. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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12 pages, 2965 KiB  
Article
Monitoring of Thermal Runaway in Commercial Prismatic High-Energy Lithium-Ion Battery Cells via Internal Temperature Sensing
by Niklas Kisseler, Fabian Hoheisel, Christian Offermanns, Moritz Frieges, Heiner Heimes and Achim Kampker
Batteries 2024, 10(2), 41; https://doi.org/10.3390/batteries10020041 - 23 Jan 2024
Viewed by 2408
Abstract
The temperature of a lithium-ion battery is a crucial parameter for understanding the internal processes during various operating and failure scenarios, including thermal runaway. However, the internal temperature is comparatively higher than the surface temperature. This particularly affects cells with a large cross-section, [...] Read more.
The temperature of a lithium-ion battery is a crucial parameter for understanding the internal processes during various operating and failure scenarios, including thermal runaway. However, the internal temperature is comparatively higher than the surface temperature. This particularly affects cells with a large cross-section, which is due to heat development within the cell and lower heat dissipation due to a poorer ratio of volume to surface area. This paper presents an approach that enables real-time monitoring of the behavior of a commercial prismatic high-energy battery cell (NMC811/C, 95 Ah, Contemporary Amperex Technology Co., Limited (Ningde, China)) in the event of thermal runaway induced by overcharging. The internal cell temperature is investigated by the subsequent integration of two hard sensors between the two jelly rolls and additional sensors on the surface of the aluminum housing of the battery cell. The sensor’s signals show a significant increase in the temperature gradient between the temperature in the core of the cell and the cell casing surface until the onset of venting and thermal runaway of the battery. The data enable a detailed investigation of the behavior of the battery cell and the comparatively earlier detection of the point of no return in the event of thermal runaway. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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33 pages, 9144 KiB  
Article
The Impact of a Combined Battery Thermal Management and Safety System Utilizing Polymer Mini-Channel Cold Plates on the Thermal Runaway and Its Propagation
by Henrik-Christian Graichen, Gunar Boye, Jörg Sauerhering, Florian Köhler and Frank Beyrau
Batteries 2024, 10(1), 1; https://doi.org/10.3390/batteries10010001 - 20 Dec 2023
Cited by 1 | Viewed by 1884
Abstract
Lithium-ion batteries are widely used in mobile applications because they offer a suitable package of characteristics in terms of specific energy, cost, and life span. Nevertheless, they have the potential to experience thermal runaway (TR), the prevention and containment of which require safety [...] Read more.
Lithium-ion batteries are widely used in mobile applications because they offer a suitable package of characteristics in terms of specific energy, cost, and life span. Nevertheless, they have the potential to experience thermal runaway (TR), the prevention and containment of which require safety measures and intensive thermal management. This study introduces a novel combined thermal management and safety application designed for large aspect-ratio battery cells such as pouches and thin prismatics. It comprises polymer-based mini-channel cold plates that can indirectly thermally condition the batteries’ faces with liquid. They are lightweight and space-saving, making them suitable for mobile systems. Furthermore, this study experimentally clarifies to which extent the application of polymer mini-channel cold plates between battery cells is suitable to delay TR by heat dissipation and to prevent thermal runaway propagation (TRP) to adjacent cells by simultaneously acting as a thermal barrier. NMC pouch cells of 12.5 Ah capacity were overcharged at 1 C to induce TR. Without cold plates, TR and TRP occurred within one hour. Utilizing the polymer mini-channel cold plates for face cooling, the overcharge did not produce a condition leading to cell fire in the same time frame. When the fluid inlet temperature was varied between 5 and 40 °C, the overcharged cell’s surface temperature peaked between 50 and 60 °C. Indications were found that thermal conditioning with the polymer cold plates significantly slowed down parts of the process chain before cell firing. Their peak performance was measured to be just under 2.2 kW/m2. In addition, thermal management system malfunction was tested, and evidence was found that the polymer cold plates prevented TRP to adjacent cells. In conclusion, a combined thermal management and safety system made of polymer mini-channel cold plates provides necessary TR-related safety aspects in lithium battery systems and should be further investigated. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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14 pages, 6518 KiB  
Article
Organic and Inorganic Hybrid Composite Phase Change Material for Inhibiting the Thermal Runaway of Lithium-Ion Batteries
by Jie Mei, Guoqing Shi, He Liu and Zhi Wang
Batteries 2023, 9(10), 513; https://doi.org/10.3390/batteries9100513 - 17 Oct 2023
Viewed by 1413
Abstract
To deal with the flammability of PA (paraffin), this paper proposes a CPCM (composite phase change material) with a high heat-absorbing capacity for mitigating the thermal runaway of lithium-ion batteries. Two heating power levels were used to trigger thermal runaway in order to [...] Read more.
To deal with the flammability of PA (paraffin), this paper proposes a CPCM (composite phase change material) with a high heat-absorbing capacity for mitigating the thermal runaway of lithium-ion batteries. Two heating power levels were used to trigger thermal runaway in order to investigate the influence of heating power on thermal runaway characteristics and the mitigation effect of the PCM (phase change material). Thermal runaway processes and temperature changes were recorded. The results showed that heating results in a violent reaction of the battery, generating a high temperature and a bright flame, and the burning of PA increases the duration of a steady flame, indicating an increased threat. SA (sodium acetate trihydrate) effectively inhibited PA combustion, and the combustion time was reduced by 40.5%. PA/SA effectively retarded the rise in temperature of the battery, and the temperature rise rate was reduced by 87.3%. Increased heating power caused faster thermal runaway, and the thermal runaway mitigation effect of the CPCM was dramatically reduced. This study may provide a reference for the safe design and improvement of thermal management systems. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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15 pages, 2415 KiB  
Article
Evolution of Safety Behavior of High-Power and High-Energy Commercial Li-Ion Cells after Electric Vehicle Aging
by Pierre Kuntz, Loïc Lonardoni, Sylvie Genies, Olivier Raccurt and Philippe Azaïs
Batteries 2023, 9(8), 427; https://doi.org/10.3390/batteries9080427 - 16 Aug 2023
Cited by 3 | Viewed by 1219
Abstract
The Li-ion battery is one of the key components in electric car development due to its performance in terms of energy density, power density and cyclability. However, this technology is likely to present safety problems with the appearance of cell thermal runaway, which [...] Read more.
The Li-ion battery is one of the key components in electric car development due to its performance in terms of energy density, power density and cyclability. However, this technology is likely to present safety problems with the appearance of cell thermal runaway, which can cause a car fire in the case of propagation in the battery pack. Today, standards describing safety compliance tests, which are a prerequisite for marketing Li-ion cells, are carried out on fresh cells only. It is therefore important to carry out research into the impact of cell aging on battery safety behavior in order to ensure security throughout the life of the battery, from manufacturing to recycling. In this article, the impact of Li-ion cell aging on safety is studied. Three commercial 18,650 cells with high-power and high-energy designs were aged using a Battery Electric Vehicle (BEV) aging profile in accordance with the International Electrotechnical Commission standard IEC 62-660. Several thermal (Accelerating Rate Calorimetry—ARC) and standardized safety (short-circuit, overcharge) tests were performed on fresh and aged cells. This study highlights the impact of aging on safety by comparing the safety behavior of fresh and aged cells with their aging conditions and the degradation mechanisms involved. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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16 pages, 8298 KiB  
Article
Experimental Investigation on the Thermal Management for Lithium-Ion Batteries Based on the Novel Flame Retardant Composite Phase Change Materials
by Yue Yu, Jiaxin Zhang, Minghao Zhu, Luyao Zhao, Yin Chen and Mingyi Chen
Batteries 2023, 9(7), 378; https://doi.org/10.3390/batteries9070378 - 14 Jul 2023
Cited by 3 | Viewed by 1548
Abstract
Thermal management systems are critical to the maintenance of lithium-ion battery performance in new energy vehicles. While phase change materials are frequently employed in battery thermal management systems, it’s important to address the concerns related to their leakage and flammability, as they can [...] Read more.
Thermal management systems are critical to the maintenance of lithium-ion battery performance in new energy vehicles. While phase change materials are frequently employed in battery thermal management systems, it’s important to address the concerns related to their leakage and flammability, as they can pose hazards to the safety performance of batteries. This paper proposes a novel flame retardant composite phase change material (CPCM) consisting of paraffin, high-density polyethylene, expanded graphite, ammonium polyphosphate, red phosphorus, and zinc oxide. The performance of CPCMs containing different ratios of flame retardants is investigated, and their effects when applied to battery thermal management systems are compared. The results demonstrate that the leakage rate of the flame retardant CPCMs is maintained within 1%, indicating excellent flame retardant performance and thermal management efficiency. The combination of ammonium polyphosphate and red phosphorus in the flame retardant exhibits effective synergistic effects, while zinc oxide may help phosphate compounds create their bridging bonds, which would then make it possible to construct a char layer that would separate heat and oxygen. Under a 2C discharge rate, the maximum temperature of the battery pack remains below 50 °C, and the temperature difference can be controlled within 5 °C. Even under a 3C discharge rate, the maximum temperature and temperature difference are reduced by 30.31% and 29.53%, respectively. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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Review

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37 pages, 9937 KiB  
Review
Recent Progress and Prospects in Liquid Cooling Thermal Management System for Lithium-Ion Batteries
by Jiahao Liu, Hao Chen, Silu Huang, Yu Jiao and Mingyi Chen
Batteries 2023, 9(8), 400; https://doi.org/10.3390/batteries9080400 - 01 Aug 2023
Cited by 5 | Viewed by 4721
Abstract
The performance of lithium-ion batteries is closely related to temperature, and much attention has been paid to their thermal safety. With the increasing application of the lithium-ion battery, higher requirements are put forward for battery thermal management systems. Compared with other cooling methods, [...] Read more.
The performance of lithium-ion batteries is closely related to temperature, and much attention has been paid to their thermal safety. With the increasing application of the lithium-ion battery, higher requirements are put forward for battery thermal management systems. Compared with other cooling methods, liquid cooling is an efficient cooling method, which can control the maximum temperature and maximum temperature difference of the battery within an acceptable range. This article reviews the latest research in liquid cooling battery thermal management systems from the perspective of indirect and direct liquid cooling. Firstly, different coolants are compared. The indirect liquid cooling part analyzes the advantages and disadvantages of different liquid channels and system structures. Direct cooling summarizes the different systems’ differences in cooling effectiveness and energy consumption. Then, the combination of liquid cooling, air cooling, phase change materials, and heat pipes is examined. Later, the connection between the cooling and heating functions in the liquid thermal management system is considered. In addition, from a safety perspective, it is found that liquid cooling can effectively manage thermal runaway. Finally, some problems are put forward, and a summary and outlook are given. Full article
(This article belongs to the Special Issue Thermal Safety of Lithium Ion Batteries)
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