摘要
介绍β射线在线测重技术的原理、β射线在线测重仪的结构与稳定性、动/静态测量精度;分析β射线在线测重仪——涂布机闭环控制系统的工作原理;研究β射线在线测重技术和多点测量法在锂离子动力电池生产过程中面密度检测方面及电池容量一致性方面的应用,制备的74 Ah方形铝壳电池最大容量偏差只有104 mAh。
The principle of β-ray online measuring technology,structure of and stability of β-ray online measuring instrument,the dynamic/static measuring accuracy were introduced. The working principle of closed loop control system of β-ray online measuring instrument-coating instrument was described. The application of β-ray online measuring technology and multi-point measurement method in surface density test and the capacity consistency control in production of Li-ion power were discussed. The highest capacity deviation of prepared 74 Ah square aluminum shell Li-ion battery was only 104 mAh.
作者
王云辉
孙青山
李松鞠
WANG Yun-hui;SUN Qing-shan;LI Song-ju(China Aviation Lithium Battery（Jiangsu）Co.,Ltd.,Changzhou,Jiangsu 213200,China)
出处
《电池》
CAS
CSCD
北大核心
2018年第5期347-349,共3页
Battery Bimonthly
关键词
锂离子电池
β射线在线测重仪
面密度
检测方法
Li-ion battery
β-ray online measuring instrument
surface density
test method
