Various coating material battery separator porous film

PP Battery separator film with Al2O3/ Boehmite Ceramic coating

Tianhong corporation has advanced international production lines for Li-ion battery separator by dry and uniaxial stretching process, equipped with high precision testing instruments, using high purity PP material and advanced production technology, mainly produce Li-ion battery separator film in thickness of 12-60 microns with different specifications, which is widely used in Li-ion power batteries, Li-ion energy storage battery and Li- ion digital product battery.

We are also producing the coating separator film :

Inorganic materials, such as Al2O3, Boehmite, Ceramic..

√ Improve high temperature resistance.

√ Good liquid absorption and retention ability.

√ Reduce thermal shrinkage.

√ Improve cycling and safety performance effectively.