介绍
锂离子聚合物电池用于移动电话、蓝牙设备和笔记本电脑等日常设备。电池片是这些电池的重要组成部分。它们是电池正负极之间的连接器,可以进行充电和放电。这些接触点位于电池内部,而不是外部可见的铜片。接片由不同的材料制成:正极是铝,负极是镍,负极也有镀镍铜。它们由薄膜和金属带组合而成。薄膜起到绝缘层的作用,防止包装过程中的短路和泄漏。
目前市场上有三种薄膜:黑胶、白胶和单层胶。常用的乙烯基薄膜有三层结构,每层的熔点不同:黑色素(66°C)、聚乙烯(105°C)和聚丙烯(137°C)。
细节与部件
应用
负极材料 | 镍 | 阴极材料 | 铝 |
胶带材料 | 白胶 | 胶带材料 | J7-100 |
基材厚度 | 0.1士0.1毫米 | 基材厚度 | 0.1±0.01 毫米 |
宽度 | 10±0.1 毫米 | 宽度 | 4±0.1 毫米 |
单位长度 | 50士1毫米 | 单位长度 | 60±1 毫米 |
标签带宽 | 5士0.5毫米 | 标签带宽 | 4±0.5 毫米 |
标签总厚度 | 0.3±0.02 毫米 | 标签总厚度 | 0.3±0.02 毫米 |
标签与胶带之间的粘合强度 | >7N/15mm | 标签与胶带之间的粘合强度 | >7N/15mm |
耐腐蚀性 | 在 85°C 的电解液中浸泡 4 小时,材料稳定,片与基板之间的粘接稳定。 |
FAQ
电池材料主要有哪些类型?
电池外壳垫圈应考虑哪些因素?
电池材料有哪些应用?
电池外壳密封垫的作用是什么?
电池材料如何提高电池性能?
什么是锂空气电池盒?
聚乙烯隔膜在锂离子电池中的作用是什么?
如何为特定应用选择纽扣电池盒?
为什么导电碳布/纸/毡在电池应用中非常重要?
锂电池使用铝塑软包装薄膜有哪些优势?
钴酸锂材料如何提高电池性能?
电池内阻测试仪的功能是什么?
为什么镍铝片在电池制造中很重要?
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