文章摘要
孙权,鹿业波,徐晓斌,施正浩.薄膜电池封装膜弯曲疲劳寿命检测仪的研制[J].包装工程,2019,40(21):222-227.
SUN Quan,LU Ye-bo,XU Xiao-bin,SHI Zheng-hao.Development of Bending Fatigue Life Measurement Instrument for Packaging Film of Thin Film Battery[J].Packaging Engineering,2019,40(21):222-227.
薄膜电池封装膜弯曲疲劳寿命检测仪的研制
Development of Bending Fatigue Life Measurement Instrument for Packaging Film of Thin Film Battery
投稿时间:2018-11-19  修订日期:2019-11-10
DOI:10.19554/j.cnki.1001-3563.2019.21.033
中文关键词: 薄膜电池  弯曲角度  弯曲次数  疲劳
英文关键词: thin film battery  bending angles  bending times  fatigue
基金项目:浙江省基础公益研究计划(LGG18F040001);嘉兴市科技计划(2017AY13012);国家级大学生创新训练项目(201710354022)
作者单位
孙权 嘉兴学院 机电工程学院浙江 嘉兴 314001 
鹿业波 嘉兴学院 机电工程学院浙江 嘉兴 314001 
徐晓斌 嘉兴学院 机电工程学院浙江 嘉兴 314001 
施正浩 嘉兴学院 机电工程学院浙江 嘉兴 314001 
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中文摘要:
      目的 为了可靠地检测薄膜电池封装膜弯曲疲劳寿命,设计并制备一台封装膜弯曲疲劳寿命检测仪。方法 仪器主要由机械运动机构、运动控制系统、固定保护机构等组成,使用此仪器对薄膜电池封装膜进行试验,研究循环弯曲对其的影响;利用有限元仿真,分析薄膜电池弯曲时封装膜内部的应力变化情况。结果 随着弯曲角度的增大,封装膜所受的弯曲应力不断增大;在弯曲循环测试中,随着循环次数的增加,封装膜表面会产生疲劳裂纹,破坏了透明电极的胶合状态,影响了电池的光电性能;获得了封装膜在不同弯曲角度下的疲劳寿命曲线。结论 该检测仪操作方便,基于此仪器进行弯曲疲劳寿命检测可有效提高薄膜电池封装的可靠性。
英文摘要:
      The work aims to design and develop a bending fatigue life measurement instrument of packaging film, in order to reliably measure the bending fatigue life of the thin film battery packaging film. Mainly composed of mechanical movement components, motion control system and fixed protection components, etc., the instrument was used to test the thin film battery packaging film and study the effects of cyclic bending on the packaging film. The finite element simulation was used to analyze the internal stress changes of packaging film when the thin film battery was bent. With the increase of bending angle, the bending stress on the packaging film increased continuously. In the bending cycle test, with the increase of cycle times, fatigue cracks would occur on the surface of the packaging film, which would destroy the bonding state of the transparent electrode and affect the photoelectric performance of the battery. The fatigue life curves of packaging films under different bending angles were obtained. The instrument is featured by easy operation. The bending fatigue life testing based on the instrument can effectively improve the reliability of thin film battery packaging.
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