锂离子电池在滥用条件下的安全性研究

随着锂离子电池在动力、储能等领域的广泛应用,电池的安全性已成为一个重点研究对象.影响锂离子电池安全性的因素主要包括关键材料,结构和工艺设计,生产加工和使用等方面.本文主要对各种滥用条件影响锂离子电池安全性的反应机理,研究成果和安全性测试标准等进行了分析概述.在各种滥用条件下锂离子电池的失效主要来自于机械外力、电气、热和...

Study on Safety of Lithium-ion Battery under Overuse Conditions

With the wide application of lithium-ion battery in power,energy storage and other fields,the safety of the batteries has become the main research object.The main factors influencing the safety of lithium-ion batteries include key materials,structure and technological design,production and use etc..In this paper,the reaction mechanism,research findings and safety test standards of lithium-ion batteries under overuse conditions were analyzed and summarized.The failure of lithium-ion batteries under conditions of mechanical,electrical,thermal and environmental overuse were reviewed.In terms of the current research findings,the thermal runaway reaction mechanism and its influencing factors of lithium-ion batteries have been deeply studied,but further research and improvement in the other aspects are still needed.Furthermore,the existing safety test standards need to be revised and improved with the extensive application of the battery.