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Separator

Cylindrical Aluminum Shell Material

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Separator

Separator: a key component located between the cathode and anode of a cylindrical lithium battery, made of high-strength, thin-film porous material, which separates the active materials of the cathode and anode, prevents direct contact between the two poles and short circuits, while allowing electrolyte ions to pass through to maintain the electrochemical reaction inside the battery; Isolation of cathode and anode, ion transport channel, liquid absorption and moisturizing ability, thermal stability.

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    Product Description

    Diaphragm: A key component located between the positive and negative electrodes of a cylindrical lithium battery, made of high-strength, thin film porous materials. Its main function is to separate the active materials of the positive and negative electrodes, prevent direct contact between the two poles and short circuits, and allow electrolyte ions to pass through to maintain the electrochemical reaction inside the battery

    Basic Info.

    Separator

    Parameter
    Thickness 9-20 μ m
    Porosity 42%
    Breathability 189s/100ml
    Puncture strength >500g
    Tensile strength  
    MD ＞1600kgf/cm²
    TD ＞1400kgf/cm²
    1-hour thermal shrinkage 105 ℃
    MD ≤3.0%
    TD ≤1.5%
    Surface resistance 0.8 Ω· cm ²

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