方壳电池堆叠挤压机技术突破:助力动力电池效率与安全性双提升


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2025-10-23

本文聚焦方壳电池堆叠挤压机的技术突破,解析其高精度定位、自适应压力控制等创新点,及其在提升动力电池能量密度与安全性、推动新能源产业升级中的关键作用。

随着全球新能源汽车产业的爆发式增长,动力电池作为核心部件,其性能与品质直接决定了整车的续航里程与安全性能。当前,方壳锂离子电池因结构稳定、能量密度较高等优势,已成为乘用车与商用车领域的主流选择之一。然而,在方壳电池的生产流程中,极片堆叠与挤压成型环节长期面临着一致性差、极片损伤率高、压力控制不精准等痛点,制约着电池能量密度与安全性的进一步提升。近日,国内新能源装备领域的领军企业智联新能源装备有限公司宣布,其自主研发的新一代方壳电池堆叠挤压机实现关键技术突破,为行业痛点提供了高效解决方案。


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据悉,这款新型方壳电池挤压机整合了多项前沿技术,首先在定位精度上实现了质的飞跃。设备搭载了基于机器视觉的高精度定位系统,通过多摄像头协同与AI算法分析,可实现极片与隔膜的实时精准对齐,定位误差控制在0.01毫米以内——这一精度较传统设备提升了50%以上。精准的定位不仅减少了极片边缘的错位,还能有效避免因对齐偏差导致的内部短路风险,从源头提升电池安全性。

其次,该设备创新性地采用了自适应压力控制系统。传统挤压机多采用固定压力模式,易因极片厚度波动导致局部压力过大或不足,造成极片变形或层间空隙残留。而新一代设备通过内置的压力传感器与动态调节模块,可根据每一组极片的实际厚度与材质特性,自动调整挤压压力(范围覆盖0.5-5MPa),确保每层极片受力均匀。这一技术不仅降低了极片损伤率(试用数据显示下降18%),还能提升电池的体积能量密度约5%,助力新能源汽车续航里程的进一步延长。

此外,设备的智能化水平也显著提升。其配备了全流程数据监控系统,可实时采集堆叠速度、压力值、定位误差等关键参数,并通过云端平台进行分析与预警。一旦发现异常,系统会自动停机并发出警报,避免不良品流入下一环节。同时,设备支持与工厂MES系统对接,实现生产数据的无缝整合,帮助企业优化生产流程,提升整体运营效率。

目前,这款方壳电池堆叠挤压机已在国内多家头部动力电池企业完成试点应用。某知名电池制造商负责人表示:“引入智联的新一代堆叠挤压机后,我们的电池生产效率提升了22%,产品不良率下降了16%,同时电池的循环寿命也有所延长。这一设备的应用,为我们应对市场对高性价比电池的需求提供了有力支撑。”

行业专家指出,方壳电池堆叠挤压机的技术突破,不仅解决了生产环节的关键痛点,更推动了动力电池产业向“高精度、智能化、高安全性”方向升级。在“双碳”目标的驱动下,新能源汽车与储能产业将持续扩张,高性能电池生产设备的需求也将进一步增长。智联新能源装备有限公司相关负责人透露,未来该设备还将结合5G、AI与大数据技术,开发预测性维护功能,进一步降低设备运维成本,为客户创造更大价值。

随着技术的不断迭代,方壳电池堆叠挤压机有望成为动力电池智能制造的核心装备之一,助力我国新能源产业在全球竞争中占据更有利地位。

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