NKK-TF4050 Cellulose separator (Low ESR Type), Suitable for supercapacitor

Description

Product Name & Description

NKK-TF4050 Cellulose separator

50??m Cellulose Membrane (Hydrophilic)

Primary Applications

Cellulose separator for large cells, low Equivalent series resistance (ESR) type. For supercapacitor

Product Benefits?

  • High reliability type, Lower ES
  • High electrolyte holding ratio type

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Technical Data (Typical Properties)

Basic Film Properties

Unit of Measure

Typical Value

Thickness

??m

50

Density

g/cm3

0.40

Porosity (calculated)

%

73

Moisture

%

5

Tensile Strength

N/15mm

10.3

Air Resistance

sec/100cc

109.6

Water Absorption

mm/10min

35

pH

6.2

Remark

Because TF is made from cellulose, it tends to absorb moisture, and depending on circumstances, it might contain 7-10% moisture. When assembling cell with TF, sufficient drying is required.?Recommended drying condition is in the range of 100-160??C within 24 hours by vacuum drying.??After drying procedure, please handle the products under the low dew point environment. Recommended dew point is less than -60??C.?In the drying procedure, the products may shrink about 1% lengthwise and widthwise, so please design your product after taking this shrinkage into consideration.

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