Rupture and combustion characteristics of lithium-ion battery under overcharge

Zhu, Yanli; Wang, Congjie; Gao, Fei; Shan, Ming-xin; Zhao, Peng-long; Meng, Qingfen; Wu, Qian

doi:10.1016/j.est.2021.102571

Cited by 28 publications

(5 citation statements)

References 50 publications

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“…The heating power for the trigger cell in the battery module is turned off once it goes into TR. The present study assumes the occurrence of TR in the Li‐ion cells as a venting of smoke and gases, leading to heat energy release, as reported in the previous experimental studies, [ 14,42 ] and does not account for the fire and explosion [ 43–46 ] effects. Therefore, the mass and specific heat of the cell are assumed to be constant, and the temperature gradients in the cell are not considered in this analysis because the Biot (

\text{Bi}

) numbers (Bi = 0.056 for the present case) are usually small for cylindrical cells.…”

Section: Model Descriptionmentioning

confidence: 99%

Thermal Runaway Propagation Analytics and Crosstalk in Lithium‐Ion Battery Modules

Karmakar,

Zhou,

Vishnugopi

et al. 2023

Energy Tech

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The thermal safety of lithium‐ion (Li‐ion) batteries continues to remain a critical concern for widespread vehicle electrification. Under abuse scenarios, thermal runaway (TR) of individual energy‐dense Li‐ion cells can be dominated by various exothermic mechanisms due to interelectrode crosstalk, resulting in an enormous heat generation response that can potentially lead to thermal runaway propagation (TRP) in a battery module. Herein, a hierarchical TRP analytics approach is developed, which includes cell‐level thermokinetic and electrode crosstalk interactions derived from accelerating rate calorimetry characteristics of a representative high‐energy 18650 cylindrical Li‐ion cell with Ni‐rich cathodes and Si–C anodes. The hierarchical TRP model, coupled with multimodal heat dissipation, demonstrated for an exemplar energy‐dense Li‐ion battery module configuration, determines TRP criticality at module level for a wide range of conditions, including ambient temperature, intercell spacing, trigger cell location, external heating power, and heat dissipation coefficients. Potential propagation pathways have been identified, and their underlying attributes in terms of propagation speed, heat release from exothermic reactions, critical thermal energy input, and heat dissipation to surroundings have been quantified. This hierarchical approach, including thermal transfer and chemical interelectrode crosstalk during TR, can provide high‐resolution TRP analytics for energy‐dense Li‐ion battery modules and is scalable to packs.

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\text{Bi}

) numbers (Bi = 0.056 for the present case) are usually small for cylindrical cells.…”

Section: Model Descriptionmentioning

confidence: 99%

Thermal Runaway Propagation Analytics and Crosstalk in Lithium‐Ion Battery Modules

Karmakar,

Zhou,

Vishnugopi

et al. 2023

Energy Tech

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“…At 0.400 s, high-temperature particles ignite combustible flue gas, and deflagration occurs. According to our previous research on ternary batteries [9], the three elements of battery ignition include combustibles sprayed by the battery, high-temperature materials sprayed by the battery, and oxygen from the air. The combustion mechanism of the lithium iron phosphate battery in Fig.…”

Section: Explosion Process and Overpressure Of 100% Soh Batterymentioning

confidence: 99%

Thermal runaway difference between fresh and retired lithium iron phosphate batteries under overheating

Wang

Wang²,

Gao

et al. 2023

J. Phys.: Conf. Ser.

Self Cite

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Safety is an important factor restricting the cascade utilization of lithium-ion batteries (LIBs). In this paper, the safety characteristics of fresh and retired lithium iron phosphate batteries are investigated by means of a heating-triggered thermal runaway (TR). The results show that under the heating condition of 200 W, the internal short circuit (ISC) can directly cause the TR of a new battery and lead to an explosion with an overpressure of 98.9 kPa. However, there is still a buffer time of 13.1-22.3 min between the ISC and TR for the retired battery with states of health (SOHs) of 80% - 60%, and the retired battery cannot explode. The large-scale ISC onset time, TR onset time, and TR onset temperature of the 70% SOH battery are 27.4 min, 40.5 min, and 179.9 °C, respectively, which are the smallest among retired batteries, indicating that the 70% SOH battery may be more likely to trigger TR. The findings can provide guidance for the safe application of retired batteries.

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“…[7][8][9] Wang et al accurately measured the thermal changes of different lithium-ion batteries during overcharging using an accelerated rate calorimeter, and studied overcharge thermal runaway by detecting the internal/ external temperature and voltage of the batteries. [10][11][12] Liu et al designed and built an experimental platform for lithium-ion battery fires and explosions to investigate the effect of different initial pressures on the thermal runaway characteristics of a lithium-ion battery pack in a confined space. 13 Early warning research on lithium-ion battery thermal runaway has revealed that existing electrochemical principle sensors and semiconductor sensors are susceptible to low detection accuracy and cross-interference.…”

Section: Introductionmentioning

confidence: 99%

Gas Characterization-based Detection of Thermal Runaway Fusion in Lithium-ion Batteries

et al. 2023

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A novel approach for real-time detection of lithium-ion battery thermal runaway has been proposed to enable the monitoring of thermal runaway states during storage, transportation, and use, and to prevent safety hazards such as fire and explosion. This approach uses the fusion of high-precision, high-sensitivity photoelectric and electrochemical detection techniques based on the dual-wavelength principle. To analyze the thermal runaway mechanism of lithium-ion batteries, four important gas parameters -CO, EX, H 2 , and CO 2were obtained to indicate the thermal runaway state, and the characterization of these parameters under different thermal runaway states of lithium-ion batteries was studied. A real-time detection system is designed and validated through experiments involving overcharging, over-discharging, and puncturing of lithium-ion batteries. This method is suitable for the real-time detection of thermal runaway in lithiumion battery products and can also provide a basis for evaluating the life and reliability of lithium-ion batteries.

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Rupture and combustion characteristics of lithium-ion battery under overcharge

Cited by 28 publications

References 50 publications

Thermal Runaway Propagation Analytics and Crosstalk in Lithium‐Ion Battery Modules

Thermal Runaway Propagation Analytics and Crosstalk in Lithium‐Ion Battery Modules

Thermal runaway difference between fresh and retired lithium iron phosphate batteries under overheating

Gas Characterization-based Detection of Thermal Runaway Fusion in Lithium-ion Batteries

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