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Zinc-Ion Battery Separator Film

Battery Process

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Zinc-Ion Battery Separator Film

Item No.: XW-EN-SE-00250;
Specification: 125mm*10m;
Payment: T/T,Western Union, Paypal,L/C;
Product Origin: China;
Lead Time: in stock or 1-10days,ect;
Note: XIAOWEI factory supports OEM.

 Products Description 

Zinc-ion battery separator film:

PP membrane, non-woven fabric sulfonation treatment:

1) Hydrophilic treatment increases the ability of the separator to absorb electrolyte.

2) After sulfonation treatment, the battery has a high charge retention rate, lower internal resistance, and is conducive to high current discharge.

3) Increases the energy efficiency of the battery under high current density conditions.

4) Used in zinc-ion batteries to induce zinc deposition and prevent dendritic growth.

 Physical Property 

Sulfonated Composite Separator
Test Item Measured Result
Area Density 53.84g/m2
Thickness 0.16mm
Liquid Absorption Speed 68
Liquid Absorption Rate (10min) 264
Tensile Strength 4300
Hydrophilic PP
Test Item Measured Result
Thickness 40 um
Width 135mm
Area Density 21.3g/m2
Porosity 41.20%
Puncture Strength 702.3g
Tensile Strength 1674kgf/cm2
Thermal Shrinkage 0.50%
Hydrophilic Composite Separator
Test Item Measured Result
Thickness 0.14mm
Width 70mm
Area Density 59.8g/m2
Porosity 48.55%
Tensile Strength 168.7Mpa
Thermal Shrinkage 0.09
Puncture Strength 0.50%
AGM Separator
Test Item Measured Result
Thickness 0.45mm
Tensile Strength 0.43KN/m
Quantitative 221g/m2.mm
Porosity 91.50%
Maximum Aperture 17.4 um
Capillary Acid Absorption Height 92mm/5min
Acid Immersion Loss 1.48%
Iron Content 0.00%
Chlorine Content 0.00%
Resistance 0.00023Ωdm2
Wet Strength 8 min

PP film, non-woven fabric sulfonation treatment effects:

1. Hydrophilic treatment increases the separator’s electrolyte absorption capacity.

2. After sulfonation treatment, the battery maintains a high charge retention rate, low internal resistance, and is beneficial for high current discharge.

3. It increases the energy efficiency of the battery under high current density conditions.

4. Application in zinc-ion batteries can induce zinc deposition without dendrite growth.

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