| 摘要 |
PROBLEM TO BE SOLVED: To provide a separator for lithium ion secondary battery having high ion conductivity and excellent balance with film strength, which can be manufactured by a simple manufacturing process.SOLUTION: A separator for lithium ion secondary battery with a process film includes a process film, and a separator consisting of a porous film of single layer structure formed on the process film while containing a heat-resistant resin and an inorganic fibrous material, with the inorganic fibrous material being bound by the heat-resistant resin. |
