Study on the suppression of thermal runaway and flame confrontation of lithium-ion batteries with water mist

Fire Science and Technology ›› 2024, Vol. 43 ›› Issue (8): 1132-1137.

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Study on the suppression of thermal runaway and flame confrontation of lithium-ion batteries with water mist

Zhang Qian¹, Chen Huimin¹, Jin Yuan¹, Liu Tong^{2, 3}

(1. Beijing Electric Power Research Institute, Beijing 100075, China; 2. School of Safety Engineering, China University of Mining and Technology, Jiangsu Xuzhou 221116,China; 3. State Key Laboratory of Fire Science, University of Science and Technology of China, Anhui Hefei 230026, China)

Received:2024-02-21 Revised:2024-03-24 Online:2024-08-19 Published:2024-08-15

Abstract

Abstract: This paper introduces the basic structure and working principle of lithium-ion batteries, analyzes the trigger mode of thermal runaway of lithium-ion batteries, and focuses on the analysis of fire extinguishing mechanism, fire extinguishing agent preparation and fire extinguishing performance of three new lithium-ion battery fire extinguishing agents, namely hydrogel fire extinguishing agent, perfluorohexanone fire extinguishing agent and dry water fire extinguishing agent. On this basis, this paper summarizes the advantages and disadvantages of the three fire extinguishing agents, and provides ideas for the improvement of the fire extinguishing effect and performance of the fire extinguishing agent in the future. It is of great significance to improve the safety of lithium-ion batteries and promote the development and application of electrochemical energy storage technology.

Key words: lithium ion battery, thermal runaway, fire extinguishing mechanism, hydrogel, perfluorohexanone, dry water

Zhang Qian, Chen Huimin, Jin Yuan, Liu Tong. Study on the suppression of thermal runaway and flame confrontation of lithium-ion batteries with water mist[J]. Fire Science and Technology, 2024, 43(8): 1132-1137.

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Study on the suppression of thermal runaway and flame confrontation of lithium-ion batteries with water mist

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