耐高温高孔率锂离子电池隔膜是一种特制无纺布为基体材料的新型锂离子电池隔膜，产品呈三维网状结构，突破了聚烯烃微多孔隔膜的材料构成传统技术方案，具有耐高温、高孔率、电解液浸润性优异、高吸液保液能力、抗刺穿性优良等特性，用其装配的锂离子动力电池在循环寿命、安全性、容量发挥等综合性能方面表现突出，主要应用于车用动力锂离子电池和高安全储能型锂离子电池上。
| Physical Properties | Unit | Mean Value |
| Basis Weight | g/m2 | 28 |
| Mean Thickness | um | 30 |
| Tensile Strength MD | N/m | 1900 |
| Tensile elongation MD | % | 14 |
Laizhou Lianyou Jinhao New Material Co., Ltd. was established in October 2007 with a registered capital of 10 million yuan and covers an area of nearly 30,000 square meters. It is a high-performance battery separator high-tech enterprise integrating R&D, production and operation.
The company's leading products are high temperature resistant high porosity lithium ion battery separator, nickel based power battery separator, nickel hydrogen battery separator, nickel cadmium battery separator, super capacitor diaphragm, zinc and silver battery separator, high performance battery separator for high speed train. In the domestic and foreign well-known battery manufacturers such as Keliyuan, Matsushita Energy, Zibo Guoli, etc., the products have not only met the high-performance requirements of new energy vehicles such as urban pure electric buses, urban light rail vehicles and hybrid electric vehicles. Moreover, it has been applied and promoted in the fields of high-safety energy storage, military, rail transit, environmental protection and energy conservation, and water treatment.
The company has established Shandong Fiber Functional Membrane Engineering Technology Research Center, Yantai Power Battery Diaphragm Engineering Technology Research Center, and Yantai City Enterprise Technology Center. It has initially built a domestic advanced high-performance battery separator R&D and testing platform
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