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Materials And Substitutions
Separator
Provide polyolefin films mainly made of polyethylene and polypropylene
Service Hotlines 400-990-6600

PP/PE/PP separator has a thermal shutdown function to ensure high safety. When the internal temperature of the lithium battery exceeds 120°C, the PE layer begins to close, but the PP layer still plays a supporting role; the separator does not begin to rupture until 165°C;

There is a 45°C difference between the thermal closure temperature and the membrane rupture temperature, which is safe;

Excellent ionic conductivity, higher liquid absorption rate and smaller battery internal resistance under the same conditions, good cycle performance;

It has high toughness and excellent drop resistance. If a single battery is dropped freely from a height of 1.5m, it will not catch fire or explode.

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