TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The solid polymeric electrolyte has a thickness of 10 nm 500 mu m. Preferred Components: The inorganic particles comprise silicon dioxide, aluminum oxide, titanium dioxide, titanium barium oxide, lithium oxide, lithium fluoride, lithium hydroxide, lithium nitride, barium oxide, sodium oxide, lithium carbonate, calcium carbonate, lithium aluminate, titanium strontium oxide, tin oxide, cerium oxide, magnesium oxide, nickel oxide, calcium oxide, zinc oxide, zinc peroxide and/or silicon carbide. The inorganic particles have a mean diameter of 1 nm to 10 mu m. The lithium salt comprises at least one of lithium hexafluorophosphate, lithium tetrafluoroborate, lithium hexafluoroantimonate, lithium hexafluoroarsenate, lithium difluoromethanesulfonate, lithium perchlorate, lithium aluminate, lithium tetrachloroaluminate, lithium chloride, lithium iodide, lithium bis(oxalato)borate and a lithium trifluoromethanesulfonyl imide of formula ((LiN CxF2x+1SO2)(CyF2y+1SO2)). The electrolyte paste has viscosity of 100-10000 poise under a shear rate condition of 1 sec-1. Preferred Method: The electrolyte paste is coated on the substrate to a thickness of 10 nm to 500 mu m. The step of forming of the electrolyte paste is performed in such a way that the liquid electrolyte and the photo-crosslinking agent are mixed with weight ratio of 50:50-99:1 or performed in such a way that the liquid electrolyte containing the photo-crosslinking agent and the inorganic particle are mixed with weight ratio of 10:90-90:10.x, y = natural numbers.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The photo-crosslinking agent comprises at least one of polyethylene glycol diacrylate, triethylene glycol diacrylate, trimethylolpropane ethoxylate triacrylate or bisphenol A ethoxylate dimethacrylate. The organic solvent comprises at least one of ethylene carbonate, propylene carbonate, g-butylrolactone or ethylene glycol dimethyl ether.