软包电池高温自燃实验系统的设计搭建及实验分析
Design and Construction of a High-Temperature Combustion Experimental System for Flexible Pack Battery and Analysis
DOI: 10.12677/met.2024.135047, PDF,   
作者: 朱文慧：中国国际工程咨询有限公司，北京；钟 成, 林 童, 郑 东：西南交通大学机械工程学院，四川 成都
关键词: 软包电池；安全性；高温自燃测试；Flexible Pack Battery； Safety； High-Temperature Combustion Test
摘要: 为了能够真实反映高温环境下软包电池的安全性，获得评价安全性的重要特征参数，本文针对锂离子软包电池，设计并搭建了电池高温自燃实验系统。详细地介绍了包括加热腔、电加热温控系统、采集测量系统、电池送入系统以及尾气处理等子系统的构成和主要功能，并基于此实验系统开展了500℃下锂离子软包电池的燃烧特性研究，实验研究结果表明：该软包电池燃烧时最高温度可达到954.2℃，电池燃烧持续时间为53 s，其电解液和聚乙烯隔膜是软包电池燃烧的主要成分。本文实验系统可测试不同温度下软包电池的燃烧特性，为研究高温环境下软包电池的安全性提供了新的实验方法。
Abstract: In order to truly reflect the safety of flexible pack batteries under a high-temperature environment and obtain important characteristic parameters for evaluating safety, this paper designs and constructs a battery high-temperature combustion experimental system for lithium-ion flexible pack batteries. The composition and main functions of the subsystems, including the heating chamber, electric heating temperature control system, acquisition and measurement system, battery feeding system and exhaust gas treatment, are introduced in detail. Based on this experimental system, a study on the combustion characteristics of lithium-ion flexible-packed batteries at 500℃ was conducted. The experimental results indicated that the maximum temperature during the combustion of the flexible-packed batteries could reach 954.2°C, with a combustion duration of 53 seconds. The electrolyte and polyethylene separator were identified as the main components contributing to the combustion of the flexible pack battery. The experimental system in this paper can test the combustion characteristics of flexible pack batteries at different temperatures, which provides a new experimental method for the study of the safety of flexible pack batteries under high-temperature environments.
文章引用：朱文慧, 钟成, 林童, 郑东. 软包电池高温自燃实验系统的设计搭建及实验分析[J]. 机械工程与技术, 2024, 13(5): 404-414. https://doi.org/10.12677/met.2024.135047

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