Product Name & Description
Celgard® 2340
39µm Trilayer Microporous Membrane (PP/PE/PP)
Primary Applications
High Energy Lithium Battery Systems; especially safety-critical and performance-critical applications
Product Benefits
- Zero TD shrinkage reduces internal shorting
- Uniform pore structure with high chemical & thermal stability
- Medium porosity provides excellent energy performance with low self-discharge
- PP outer layer provides high temperature melt integrity, oxidation resistance
- PE inner layer provides high-speed shutdown features
- Offers increased energy density and exceptional safety performance
Technical Data (Typical Properties)
Basic Film Properties
|
Unit of Measure
|
Typical Value
|
Thickness
|
μm
|
39
|
Gurley (JIS)
|
Seconds
|
780
|
Porosity (calculated)
|
%
|
44
|
TD Shrinkage @ 105°C / 1 Hour (typical)
|
%
|
0
|
MD Shrinkage @ 105°C / 1 Hour (typical / max)
|
%
|
3.5 / 8.0
|
TD Tensile Strength (typical / min)
|
Kg/cm2
|
165 / 100
|
MD Tensile Strength (typical / min)
|
Kg/cm2
|
1630 / 1400
|
Puncture Strength (typical / min)
|
Grams Force (gf)
|
700 / 550
|
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