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]

Group 1: Industry Overview - The supply-demand dynamics in the diaphragm industry are improving due to a slowdown in new capacity additions, particularly in 2025, which is expected to benefit the overall industry [2] - The company's capacity utilization rate is leading in the industry, with a strong market position and increasing market share as downstream demand strengthens [2] Group 2: Product Innovations - The ultra-thin high-strength diaphragm has achieved a thickness reduction of over 28% while maintaining high strength and thermal stability, with a biaxial tensile strength exceeding 400 MPa and a puncture strength of over 560 gf, improving by more than 20% [3] - The significant enhancement in base film puncture strength reduces the risk of thermal runaway in battery cells, thereby improving safety [3] Group 3: Solid-State Battery Development - The company views semi-solid batteries as a transitional product towards all-solid-state batteries, which are currently in the early stages of industrial development and have higher costs [4] - The company is actively involved in the development of materials for both semi-solid and solid-state batteries, with production capabilities established for semi-solid battery diaphragms and ongoing investments in solid-state electrolyte materials [4][5] Group 4: Competitive Advantages - The company benefits from strong R&D capabilities and a comprehensive vertical innovation system, allowing for rapid product iteration and optimization [5] - Long-term stable partnerships with major global battery manufacturers enable the company to engage in technical exchanges and seize market opportunities effectively [5]