原料混合、铸片拉伸、萃取定型、收卷包装……走进恩捷股份的玉溪基地，一条全封闭、智能化的动力 电池隔膜产线正井然有序地运行。 这一产线集群的建成与投产，标志着恩捷股份对5μm超薄高强隔膜的量产能力正式落地。 近日，21世纪经济报道实地探访恩捷股份位于云南玉溪的生产基地，观摩了其5μm产品生产流程，并与 公司有关负责人员进行了交流。 8月18日，恩捷股份正式披露了2025年半年报。报告数据显示， 恩捷股份上半年营业收入同比实现 20.48%增长，却也同时在净利润、毛利率方面存在一定压力。在行业竞争加剧的背景下，持续性的技 术创新与对市场的前瞻布局，成为了恩捷股份实现"反内卷"的长期路径。 "一方面，恩捷股份将通过持续的研发创新巩固自身锂电池隔膜领域行业地位；另一方面，恩捷股份也 勇于'自我革命'，基于在高分子材料领域的技术积累和持续深耕，布局固态电解质领域。"恩捷股份投 资总监庞启智向记者介绍称。 恩捷股份5μm超薄高强隔膜产线 突破锂电池隔膜"薄即脆弱"技术瓶颈 伴随我国新能源产业的快速发展，政策的扶持呵护与市场需求的井喷式增长，共同为锂电池技术的迭代 升级提供了丰厚土壤。当前，锂电池在新能源车、储能系统、消费 ...

Group 1: Industry Events - The 2025 High-Performance Lithium Battery Annual Conference will be held from November 18-20, 2025, at JW Marriott Hotel in Shenzhen, celebrating its 15th anniversary and featuring the Golden Ball Award ceremony [1] Group 2: Battery Developments - SAIC's new MG4 model featuring a semi-solid-state battery is set for mass delivery within the year, with a pre-sale price ranging from 73,800 to 105,800 yuan. The 70kWh battery has an energy density of 180Wh/kg and a CLTC range of 537 kilometers, showing a 13.8% improvement in low-temperature endurance compared to traditional lithium iron phosphate batteries [2] - Camel Group has launched a new low-voltage lithium starter battery, designed for excellent low-temperature starting capabilities and equipped with a smart battery management system (BMS). The battery has passed IP67 certification and is compatible with various passenger and commercial vehicle models [3] - Wuhu Fudi Battery Co., Ltd. is planning to expand production with a new project investment of 2.4 billion yuan, aiming for an annual production capacity of 184,800 lithium iron phosphate battery packs [6] - A new partnership has been established between Jiangsu Yinglian Composite Fluid Co., Ltd. and a well-known cylindrical battery company to enhance the performance of composite fluid battery materials [10] - Enjie has released a 5μm ultra-thin high-strength separator with a puncture strength of 560gf, achieving a 16.7% increase in strength and a 20.9% reduction in internal resistance compared to 7μm separators [11]