[1]刘娟.工业CT在锂离子电池失效分析检测中的应用[J].常州大学学报(自然科学版),2021,33(01):15-19.[doi:10.3969/j.issn.2095-0411.2021.01.003]
　LIU Juan.Application of Industrical Computed Tomography on the Failure Analysis of Lithium Ion Batteries[J].Journal of Changzhou University(Natural Science Edition),2021,33(01):15-19.[doi:10.3969/j.issn.2095-0411.2021.01.003]
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工业CT在锂离子电池失效分析检测中的应用()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第33卷
期数:
2021年01期
页码:
15-19
栏目:
材料科学与工程
出版日期:
2021-01-20

文章信息/Info

Title:
Application of Industrical Computed Tomography on the Failure Analysis of Lithium Ion Batteries
文章编号:
2095-0411(2021)01-0015-05
作者:
刘娟
(苏州工业园区服务外包职业学院 生物科技学院, 江苏 苏州 215128)
Author(s):
LIU Juan
(School of Biotechnology, Suzhou Industrial Park Institute of Services Outsourcing, Suzhou 215128, China)
关键词:
锂离子电池;  无损检测;  工业CT;  失效分析
Keywords:
lithium ion battery;  industrial computed tomography;  non-destructive testing;  failure analysis
分类号:
TG 115.22
DOI:
10.3969/j.issn.2095-0411.2021.01.003
文献标志码:
A
摘要:
锂离子电池的失效分析是质量控制和安全性测试的重要环节。工业CT扫描技术在不破坏锂离子电池的前提下, 可用于观测电池内部因装配工艺不到位、产气等原因导致的极片接触不良、电解液分布不均匀等问题, 从而出现了内阻升高、断路或者容量衰减等失效现象。针对上述问题对装配工艺进行优化, 锂离子电池表现出良好的电化学性能。实验表明工业CT可以清晰获取电池内部的三维结构信息, 有效分析内部缺陷, 对锂离子电池的质量控制和生产工艺有指导意义。
Abstract:
The failure analysis of lithium ion battery is an important part of quality control and safety test. Under the premise of not destroying the lithium ion batteries, industrial CT scanning technologycan be used to observe the poor contact of battery pole piece and unevenly distribution of electrolyte caused by improper assembly process, gas production and other reasons inside the battery. Thus, failure phenomena such as increased internal resistance, broken circuit or capacity attenuation occur. In view of the above problems, the assembly process was optimized, and lithium ion batteries showed good electrochemical performance. The experimental results show that industrial CT can clearly obtain the three-dimensional structure information of batteries, and effectively analyze the internal shortage, which has guiding significance for the quality control and production process of lithium ion batteries.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-09-23。
作者简介:刘娟(1989—),女,江苏常州人,硕士,工程师。E-mail: liuj@siso.com.cn
更新日期/Last Update: 2021-01-20