Patent ID: 6291106
Filing Date: 2001-09-18
Classification: H01M,Y02E,Y02P

Abstract:
An electrolytic-solution-supporting polymer film, comprising:a porous reinforcing material (A) which is formed of an aromatic polyamide and has a thickness of 100 .mu.m or less;a polar organic polymer compound (B) held in said porous reinforcing material; andan electrolytic solution (C) which comprises a polar organic solvent (c1) and an electrolyte (c2) and which is integrated with said polar organic polymer compound and is in a gelled state,the electrolytic-solution-supporting polymer film having a thickness of 200 .mu.m or less, an ionic conductivity of at least 5.times.10.sup.-4 S/cm at 25.degree. C., a puncture strength of at least 150 g and a mechanical heat resistance of at least 300.degree. C.