锂离子电池参数监测中的光纤传感技术

Optical Fiber Sensing Technology in Lithium-Ion Battery Parameter Monitoring

近年来锂离子电池安全事故频发对锂离子电池产业带来比较严重的影响,为减少此类事故发生,可采用电池管理系统对锂离子电池进行安全管理,保证其正常运作。管理过程中利用传感器对电池参数进行监测十分必要,光纤传感器具有体积小、抗电磁干扰能力强、可分布式测量等优势,可实现对锂离子电池的精准监测。文章从锂离子电池监测需求出发,简要介绍了三种主流光纤传感原理,并综述了各种用于锂离子电池监测的光纤传感最新研究成果,最后对光纤传感技术在锂离子电池参数监测中的应用做了展望。

In recent years,the frequent occurrence of lithium-ion battery safety accidents has brought serious negative impact on the lithium-ion battery industry.In order to reduce the occurrence of such accidents,the battery management system can be used to safely manage the lithium-ion battery and ensure its normal operation.It is very necessary to use sensors to monitor battery parameters in the management process.Optical fiber sensors have the advantages of small size,strong anti-electromagnetic interference ability,and distributed measurement,which can realize accurate monitoring of lithium-ion batteries.Starting from the monitoring needs of lithium-ion batteries,this paper briefly introduced three mainstream optical fiber sensing principles,and summarized the latest research results of various optical fiber sensing for lithium-ion battery monitoring.Finally,the application of fiber optic sensing technology in monitoring lithium-ion battery parameters was prospected.