热失控数据采集实验系统设计与实验研究  

Design and experimental study on thermal runaway data acquisition experiment system

作　　者：庄春吉 黄辉 胡敏杰 黄映隆 仇丹 ZHUANG Chunji;HUANG Hui;HU Minjie;HUANG Yinglong;QIU Dan(School of Materials and Chemical Engineering/School of Safety Engineering,Ningbo University of Technology,Ningbo 315211,China)

机构地区：[1]宁波工程学院材料与化学工程学院(安全工程学院),浙江宁波315211

出　　处：《实验室科学》2022年第2期14-18,共5页Laboratory Science

基　　金：浙江省“十三五”高校虚拟仿真实验教学项目(项目编号:浙教办函〔2019〕365号);宁波市自然科学基金(项目编号:2019A610165);宁波工程学院课堂教学设计与创新项目(项目编号:kc20190109);宁波工程学院高教研究课题(项目编号:2020NGGJA03)。

摘　　要：利用搭建的锂离子电池热失控实验系统,通过电加热诱导单体锂离子电池自发生热,模拟热滥用环境下锂离子电池的热失控过程。数据采集系统采集热失控前期温度演化和开路电压、充/放电状态下的电压和电流,以及整个热失控过程的产气压力变化,并对热失控结束后气体产物的成分进行解析。本实验装置及实验内容能较好地用于相关专业的实验教学,也为锂离子电池热失控及产物分析的实验研究提供一种可行方案。The thermal runaway experimental system of the lithium-ion battery is used to simulate the thermal runaway process of the lithium-ion battery in the thermal abuse environment by using the electric heating.The temperature evolution and open circuit voltage,the voltage and current in charge/discharge state in the early stage of thermal runaway,and the pressure generated of gas products in the whole process of thermal runaway can be collected by the data acquisition system,as well as the composition of the gas products can be analyzed after the thermal runaway.In addition,the experimental device and experimental content can be well used in experimental teaching of related majors,it also can provide a feasible solution for the experimental research on thermal runaway and gas product analysis of lithium-ion batteries.

关 键 词：热失控 锂离子电池 实验系统 数据采集 

分 类 号：X93[环境科学与工程—安全科学]