Hu Hao, Xu Xiaoming, Sun Xudong, Li Renzheng, Zhang Yangjun, Fu Jiaqi
School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China.
School of Vehicle and Mobility, Tsinghua University, Beijing 100000, China.
ACS Omega. 2020 Jul 15;5(29):18254-18261. doi: 10.1021/acsomega.0c01862. eCollection 2020 Jul 28.
To solve the problem of thermal runaway is one of the necessary conditions for the commercialization of lithium-ion batteries. In order to further explore the reaction mechanism of thermal runaway of lithium-ion batteries, a thermal model is built by using a variety of side reactions to further study the inhibition of temperature on thermal runaway. The results show that thermal runaway is triggered by the heat generation of negative material reaction when it is heated to 473.15 K; lower heat dissipation temperature (273.15 K) cannot effectively inhibit the occurrence of thermal runaway.
解决热失控问题是锂离子电池商业化的必要条件之一。为了进一步探究锂离子电池热失控的反应机理，利用多种副反应建立热模型，以进一步研究温度对热失控的抑制作用。结果表明，负极材料反应产热在加热至473.15 K时引发热失控；较低的散热温度（273.15 K）不能有效抑制热失控的发生。
