锂金属氧化物电池安全性研究  

Safety research of lithium metal oxide battery

作　　者：米娟[1] 张洋 乔学荣[1] 陈昱霖 周威[1] 郭际[1] MI Juan;ZHANG Yang;QIAO Xuerong;CHEN Yulin;ZHOU Wei;GUO Ji(Tianjin Institute of Power Sources,Tianjin 300384,China)

机构地区：[1]中国电子科技集团公司第十八研究所,天津300384

出　　处：《电源技术》2024年第7期1313-1317,共5页Chinese Journal of Power Sources

摘　　要：通过外部短路试验、强制放电试验、针刺试验和火焰试验考察了锂金属氧化物电池的安全性。结果表明,锂金属氧化物电池在外部50 mΩ短路试验过程中最高温度65.4℃;强制放电试验过程中,电池电压稳定在约-2.47 V;针刺试验过程中,电池最高温度为29.2℃。锂金属氧化物电池在外部短路、强制放电、针刺安全性试验中均未发生燃烧、爆炸等问题,通过GJB 2374A-2013《锂电池安全要求》中的规定。在火焰试验2500 s时发生了泄放,泄放位置位于铝塑膜侧边封装处,火焰安全性试验通过HJB 864.1-2018《水中兵器锂电池安全性要求第1部分:锂金属氧化物电池》中的规定。The safety of lithium metal oxide battery was investigated through the external short circuit test,the forced discharge test,the needle puncture test,and the flame test.The results show that the highest temperature of the lithium metal oxide battery during the 50 mΩexternal short circuit test is 65.4℃.During the forced discharge test,the battery voltage is stable at approximately-2.47 V.During the needle puncture test,the maximum temperature of the battery is 29.2℃.The lithium metal oxide battery do not experience combustion,explosion,or other issues during the external short circuit,the forced discharge,or the needle puncture safety tests,and passed the regulations in GJB 2374A-2013"Safety Requirement for Lithium Cells and Batteries".During the flame test for 2500 s,a leakage occurrs which locates at the side packaging of the aluminum plastic film.The flame safety test is conducted in accordance with the provisions of HJB 864.1-2018"Safety Requirement for Lithium Cells and Batteries for Underwater Weapons-Part 1:Lithium Oxide Cell and Batteries".

关 键 词：锂金属氧化物电池 安全性 试验 

分 类 号：TM912[电气工程—电力电子与电力传动]