A comprehensive review of DC arc faults and their mechanisms, detection, early warning strategies, and protection in battery systems

Xu, Wenqiang; Wu, Xiaogang; Li, Yalun; Wang, Hewu; Lu, Languang; Ouyang, Minggao

doi:10.1016/j.rser.2023.113674

Cited by 9 publications

(1 citation statement)

References 121 publications

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“…However, safety concerns related to lithium-ion batteries used in energy storage applications are not uncommon, especially in high-voltage energy storage systems where numerous battery cells and modules are interconnected via series and parallel connections [4][5][6]. During the cyclic use of battery systems, the aging-related expansion or mechanical stress of batteries can lead to issues such as the loosening or breakage of solder joints at the connections between batteries, potentially resulting in arc formation [7,8]. In extreme cases, high-voltage arcs sustain discharge, resulting in temperatures within the arc exceeding 6000 K [9,10].…”

Section: Introductionmentioning

confidence: 99%

Experimental and Model Analysis of the Thermal and Electrical Phenomenon of Arc Faults on the Electrode Pole of Lithium-Ion Batteries

Dong,

Gao,

et al. 2024

Batteries

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Aiming at the electrical safety problem of a high-voltage lithium-ion battery system caused by an arc, and based on the establishment of a battery arc fault experimental platform, the evolution law of safety caused by an arc in the negative terminal of a battery system under different working conditions is discussed. On this basis, a battery arc evolution model based on magnetohydrodynamics is established to analyze the arc’s electro-thermal coupling characteristics to further obtain the distribution of the arc’s multi-physical field. The results show that the arc generated by the high-voltage grade battery pack will break down the cell’s shell and form a hole, resulting in electrolyte leakage. When the loop current is 10 A, the evolution law of arc voltage and current is basically the same under different supply voltages, charges, and discharges. The accuracy of the battery arc simulation model is verified by comparing the simulation with the experimental results. The research in this paper provides a theoretical basis for the electrical safety design of lithium-ion batteries caused by the arc, fills the gaps in the field of battery system arc simulation, and is of great significance for improving the safety performance of arc protection.

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