| 摘要 |
PROBLEM TO BE SOLVED: To provide a separator for a cell which has intensity, loading property and filling property needed at manufacturing process without reducing an effective electrode area of a separator and is excellent in air permeability, liquid absorbing speed, liquid maintaining property, stable productivity or the like. SOLUTION: (1) The separator for a cell is a continuous fiber non-woven fabric with a polyamide fiber web made of a continuous filament of an average fiber diameter of 10 to 20 μm joined evenly over a whole surface with partial thermo compression bonding, partial thermo compression bonding rate of the continuous fiber non-woven fabric being 5 to 20%, thickness of the compression bonded part not more than 20% of that of a non-compression bonded part, and that, compression fatigue rate of the continuous fiber non-woven fabric thickness 20 to 60%, and thickness recovery rate not less than 80%. (2) 5% stress to a machine flow direction of the continuous fiber non-woven fabric is not less than 50 N/5 cm, and also, a hydrophilic agent is put on the continuous fiber non-woven fabric.
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