TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The porous base material is polyolefin-based porous base material. Preferred Properties: The inorganic particles have permittivity constant of 5 or more, and lithium ion transfer capability. The inorganic particles having permittivity constant are chosen from barium titanate, lead-zirconium-titanium oxide (Pb(Zrx,Ti1-x)O3, where x is more than 0 and less than 1), lead-lanthanum-zirconium-titanium oxide (Pb1-xLaxZr1-yTiyO3, where x is more than 0 and less than 1, and y is more than 0 and less than 1), lead-magnesium-niobium oxide/lead titanium oxide ((1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3), hafnium oxide, strontium titanate, tin oxide, cerium oxide, magnesium oxide, nickel oxide, calcium oxide, zinc oxide, zirconium oxide, silica, yttrium oxide, alumina, silicon carbide and titanium oxide. The inorganic particle having lithium ion transfer capability is chosen from lithium phosphate, lithium titanium phosphates (LixTiy(PO4)3, where x is more than 0 and less than 2, and y is more than 0 and less than 3), lithium-aluminum-titanium phosphate (LixAlyTiz(PO4)3, where x is more than 0 and less than 2, y is more than 0 and less than 1 and z is more than 0 and less than 3), lithium-aluminum-titanium phosphate-based glasses ((LiAlTiP)xOy, where more than 0 and less than 1, and y is more than 0 and less than 13), lithium lanthanum titanates (LixLayTiO3, where x is more than 0 and less than 2, and y is more than 0 and less than 3), lithium germanium thiophosphates (LixGeyPzSw, where x is more than 0 and less than 4, y is more than 0 and less than 1, z is more than 0 and less than 1 and w is more than 0 and less than 5), lithium nitrides (LixNy, where x is more than 0 and less than 4 and y is more than 0 and less than 2), lithium silicon silicide (SiS2(LixSiySz), where x is more than 0 and less than 3, y is more than 0 and less than 2 and z is more than 0 and less than 4), and lithium-phosphorus silicide (P2S5(LixPySz), where x is more than 0 and less than 3, y is more than 0 and less than 3, and z is more than 0 and less than 7).    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The primary solvent and secondary solvent are acetone, tetrahydrofuran, methylene chloride, chloroform, dimethylformamide, N-methyl-2-pyrrolidone, cyclohexane and water. The nonsolvent is methanol, ethanol and/or isopropyl alcohol. The amount of nonsolvent is 10-90 weight%.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The polymer is chosen from is polyethylene, polypropylene, polybutylene and/or polypentene. The primary binder polymer and secondary binder polymer are polyvinylidene fluoride-co-hexafluoropropylene, polyvinylidene fluoride-co-trichloroethylene, polymethylmethacrylate, polybutylacrylate, polyacrylonitrile, polyvinylpyrrolidone, polyvinylacetate, polyvinyl alcohol, polyethylene-co-vinyl acetate, polyethylene oxide, polyacrylate, cellulose acetate, cellulose acetate butyrate, cellulose acetate propionate, cyanoethylpullulan, cyanoethyl polyvinylalcohol, cyanoethylcellulose, cyanoethylsucrose or flurane. Preferred Property: The binder polymer has molecular weight of 10000 g/mol or less.