使用线性振动超声波接的60层Cu片堆的连接特征
Seong Min Hong1, Bum-Su Go2, Hee-Seon Bang3
1Joining and Welding Research Institute, The University of Osaka, Osaka 567-0047, Japan.
Materials (Basel, Switzerland)
|February 27, 2026
概括
这项研究优化了对离子电池中60层铜片堆的超声波接. 最佳的能量确保了强大,可靠的多层电极连接,对于电动汽车电池性能至关重要.
科学领域:
- 材料科学 材料科学 材料科学
- 制造业 工程 制造工程
- 电化学 电化学 电化学
背景情况:
- 对高容量电动汽车电池的日益增长的需求需要可靠的多层电极接头.
- 确保铜堆的完整性对于离子囊细胞的性能和安全至关重要.
研究的目的:
- 通过使用线性振动超声波接来研究60层铜堆的关节特性.
- 为了确定电池制造中高质量的多层薄膜接头的最佳接参数.
主要方法:
- 实验对振动幅度,接时间和紧压力进行了变化.
- 接质量通过缩形状,关节强度 (T剥离试验) 和故障模式分析进行评估.
- 在60层堆中分析了取决于接口的最佳条件.
主要成果:
- 最佳的接能量 (500-900 J) 产生了没有缺陷的成形良好的接头.
- 过度的能量 (>900 J) 导致材料稀薄和接口故障.
- 在第30个接口实现的138.7N的最大T-皮负荷,具有特定参数 (25μm振幅,0.8s,1.5bar).
结论:
- 超声波接参数显著影响多层铜接头质量.
- 由于厚度方向的变化,存在取决于接口的最佳条件.
- 这些发现为优化电池制造中的接提供了关键的指南,以提高可靠性.
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