• What is Battery Separator and Its Main Functions May , 15 2026

    What is Battery Separator and Its Main Functions

    1.What is a battery separator? The battery separator is a core high-polymer porous film component inside lithium batteries, located between the positive and negative electrodes, with a thickness of only 4-20 microns. It is mainly made of polyethylene (PE), polypropylene (PP), or PP/PE composite materials as the base material, and is processed into a uniform microporous structure through wet phase ...
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