恩捷股份：公司的超薄高强隔膜突破了“薄即脆弱”的技术难题，助力动力电池的超高续航性能提升

Core Viewpoint - Enjie Co., Ltd. has announced advancements in its ultra-thin high-strength separator technology, which significantly enhances the performance and safety of power batteries [1] Group 1: Technology Advancements - The company has optimized the polyethylene condensed structure design and combined it with low-temperature ultra-high-speed stretching technology, achieving a thickness reduction of over 28% while maintaining high strength and thermal stability [1] - The biaxial tensile strength of the separator exceeds 400 MPa, and the puncture strength reaches over 560 gf, representing an improvement of over 20% [1] - These advancements address the technical challenge of "thin being fragile," thereby enhancing the ultra-long endurance performance of power batteries [1] Group 2: Safety Improvements - The significant increase in the base film's puncture strength greatly reduces the risk of thermal runaway in battery cells, thereby improving safety [1]