| 摘要 |
PURPOSE:To obtain performance satisfying any of ion conductivity, a film- forming property, and interface resistance by jointly using a porous film having a large hole diameter and a high molecular compound having an aromatic ring for a side chain. CONSTITUTION:A porous film, having a mean hole diameter of 0.15mum or more and filled with a high molecular compound containing a repetition unit represented in the formula I, contains both of an aprotic polar solvent and salt of a metal ion belonging to the periodic table Ia or IIa group, and is thin- film-likely formed. In the formula I, R1: hydrogen atom and lower alkyne group, etc., R2: alkyl and alkenyl groups, etc., including methyl, ethyl, propyl, and butyl, X: -CO2- and -OCO- etc., R3: hydrogen atom or alkyl group including methyl, ethyl, propyl, and butyl, L: alkylene group, a: 0 or 1, and m: integer of 0-5. This improves high ion conductivity, a film-forming property, and liquid- leakage resistance. |
