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产品展示三层复合隔膜
名称:三层复合隔膜
详细说明

层复合隔膜热关断层/PP/Al2O3

Three-layer composite separator (thermal shutdown layer/PP/ Al2O3)

关断温度:A125 B113

 

产品特点Features

1. 热关断温度低:可提供两款不同关断温度的产品,A型号关断温度为125B型号关断温度为113。当锂电池发生异常发热,达到关断温度时,热关断层会立即切断隔膜的离子通道,从而抑制电池温度的进一步上升,起到“保险丝”的作用。

2. 熔破温度高:氧化铝涂层具有优异的耐高温性,在210还能保持隔膜形态。

3.热收缩小:在150高温下纵向热收缩小于5%,横向热收缩保持为0

4.抗刺穿:氧化铝涂层坚硬,可阻止极片毛刺、粉尘及锂晶枝刺穿隔膜。

5.耐氧化性:氧化铝涂层可保护基材不被氧化。

6.良好浸润性:氧化铝涂层具有良好的吸液及保液能力,提高充放电性能

7.提升电池耐酸性:氧化铝涂层可中和电解液中游离的氟化氢。
8
.低自放电率:氧化铝涂层及热关断层增加微孔曲折度及硬度,自放电大大低于普通隔膜。
9
.循环寿命长:降低了循环过程中的机械微短路,有效提升循环寿命。

 

1.Low temperature of thermal shutdown: two types of different shutdown temperatures are available, i.e. the shutdown temperature of type A is 125, and the shutdown temperature of type B is 113 . When the lithium battery occurs in abnormal heating, and reaches to the shutdown temperature, the thermal shutdown layer will immediately cut off the ion channel of the separator, so as to control the battery temperature to rise further, having the effect of "fuse".

2. High meltdown temperature: the aluminium coating enjoys excellent high temperature resistance, and can maintain separator form at 210 or above. 

3Shrinkage is low: MD shrinkage is less than 5% at the high temperature of 150℃, and TD shrinkage maintains 0.

4. Puncture-resisting: tough aluminium coating can prevent burrs of pole piece, dust and lithium dendrites from puncturing separator.

5. Oxidative resistance: Alumina coating can protect the base material from oxidization.

6. Good wettability: Alumina coating has good imbibition and liquid preserving capabilities, can enhance charge and discharge performance.

7. Promote battery acid resistance: Alumina coating can neutralize dissociative hydrogen fluoride in electrolyte.

8.Low self-discharge rate: alumina coating and thermal shutdown layer increase microporous sinuosity and hardness that self-discharge of the separator is much lower than the ordinary separator.
9.
Long cycle life: reduce mechanical micro short circuit in cyclic process and efficiently promote the cycle life.

 

应用范围Application

主要应用于动力锂离子电池、储能锂离子电池以及其它高安全性锂离子电池

Mainly applied in power lithium ion battery, energy storage lithium ion battery and other high security lithium ion batteries.

 

产品温度特性 Features of temperature  
       

产品参数Parameters


    


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