TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The thermally stable ionic liquid comprises an organic cation such as ammonium, imidazolium, piperidium, pyridinium, pyrrolidinium, phosphonium and/or sulfonium-based cation and an inorganic anion such as bis(trifluoromethylsulfonyl)imide, bromide, chloride, dicyanamide, hexafluorophosphate, phosphate, sulfate, iodide, sulfonate, nitrate, tetrafluoroborate, thiocyanate, and/or triflate-based anion. The anode comprises lithium, sodium, calcium, magnesium, aluminum, lithium alloy, sodium alloy, calcium alloy, magnesium alloy, aluminum alloy, and/or a lithium-or other metal-intercalant such as graphite or silicon. The cathode comprises lithium iron phosphate, lithium cobalt oxide, lithium nickel manganese cobalt compound (Li(NixMnyCoz)O2), vanadium oxide, an intercalant material, carbon particles, a solid block copolymer binder, and/or a thermally stable ionic liquid.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The solid electrolyte further comprises a lithium salt consisting of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), lithium hexafluorophosphate (LiPF6), lithium borofluoride (LiBF4), lithium perchlorate (LiClO4), lithium trifluoromethanesulfonate (LiCF3SO3), lithium bis(trifluoromethanesulfonimide) (LiN(CF3SO2)2), lithium hexafluroantimonate (LiSbF6), lithium hexafluoroarsenate (LiAsF6), lithium bis(perfluoroethylsulfonyl)imide (LiN(CF3CF2SO2)2), tetraethylammonium tetrafluoroborate ((C2H5)4NBF4), triethylmethylammonium tetrafluoroborate ((C2H5)3CH3NBF4) and lithium iodide (LiI). The liquid electrolyte comprises a member selected from a group consisting of LiPF6, LiBF4, LiClO4, LiCF3SO3, LiN(CF3SO2)2, LiSbF6, LiAsF6, LiN(CF3CF2SO2)2, (C2H5)4NBF4, (C2H5)3CH3NBF4, and LiI. The low molecular weight polymer comprises an ethylene oxide chain, is a glyme selected from a group consisting of poly(ethylene glycol) dimethyl ether, tetra(ethylene glycol) dimethyl ether and tri(ethylene glycol) dimethyl ether, and has weight-average molecular weight of 250-500.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The solid copolymer is a solid graft copolymer electrolyte comprising two polymer blocks such as hydrophobic block including polydimethyl siloxane, and a hydrophilic block including polyoxyethylene methacrylate or polyoxyethylene acrylate, where the polymer blocks have low glass transition temperature of less than 0 degrees C, less than -25 degrees C or less than -40 degrees C.