| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a manufacturing method capable of manufacturing a separator for a lithium ion secondary battery at a high productivity, the separator being capable of achieving both internal resistance and self discharging properties at a favorable level, in a method for manufacturing a separator for a lithium ion secondary battery, the separator being obtained by forming a coating layer on a nonwoven fabric base material.SOLUTION: In a method for manufacturing a separator for a lithium ion secondary battery, a coating liquid is applied on one surface of a nonwoven fabric base material, and then a surface opposite to the surface applied with the coating liquid is dried by a cylinder drier having a contact point with the nonwoven fabric base material at a position of 60-240°.</p> |
