TECHNOLOGY FOCUS - POLYMERS - Preferred Process: The cross-linking agent is polyethylene glycol dimethacrylate, polyethylene glycol diacrylate, divinyl benzene, polyester dimethacrylate, trimethylolpropane and/or trimethylolpropane trimethacrylate.The monomer is methyl methacrylate, ethyl methacrylate, butyl methacrylate, methyl acrylate, ethyl acrylate, butyl acrylate, ethylene glycol methyl ether acrylate, ethylene glycol methyl ether methacrylate, acrylonitrile, vinyl acetate and/or vinyl chloride.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Process: The liquid electrolyte is prepared by dissolving lithium perchlorate, lithium hexafluorophosphate, lithium triflate, lithium bis-trifluoromethyl sulfonyl imide, lithium borate and/or salts and mixtures of these in ethylene carbonate, propylene carbonate, dimethyl carbonate, ethylmethyl carbonate, diethyl carbonate, gamma-butyrolactone, sulfolane, polyethylene glycol dimethylether, dimethyl sulfoxide and/or N-methylpyrrolidone.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Process: The liquid electrolyte is prepared by dissolving lithium perchlorate, lithium hexafluorophosphate, lithium triflate, lithium bis-trifluoromethyl sulfonyl imide, lithium borate and/or salts and mixtures of these in ethylene carbonate, propylene carbonate, dimethyl carbonate, ethylmethyl carbonate, diethyl carbonate, gamma-butyrolactone, sulfolane, polyethylene glycol dimethylether, dimethyl sulfoxide and/or N-methylpyrrolidone. EXAMPLE - Methyl methacrylate (0.5 g) and polyethyleneglycol dimethacrylate (0.25 g) were mixed and dissolved in a liquid electrolyte (prepared by dissolving lithium perchlorate in a mixture of ethylene carbonate and propylene carbonate (1:1, w/w)) to reach a final concentration of 1M and obtain a polymer electrolyte (2.25 g). The electrolyte was applied directly onto one side of a lithium electrode and irradiated with UV for 30 minutes to obtain a lithium electrode coated with a plasticized and crosslinked polymer electrolyte. An IPO electrode was deposited onto the surface of the lithium electrode to give a lithium polymer secondary battery.    To evaluate the surface resistance a lithium symmetric cell (2 cm x 2 cm size) was prepared by sandwiching the prepared coated lithium electrode and then measuring the interfacial resistance.    In a comparative example, a polymer electrolyte as above (2.25 g) was cast in a Teflon (RTM; PTFE) molder, and irradiated with UV to obtain a polymer electrolyte film. A lithium symmetric cell was prepared by sandwiching the polymer electrolyte film between the lithium electrode and composite cathode. The surface resistance was then measured.    In a further comparative example, a lithium electrode was treated with a plasticizer to improve physical contact between an electrode and a polymer electrolyte, and the polymer electrolyte film prepared in as in the above comparative example was sandwiched between the electrodes treated with the plasticizer to obtain a lithium symmetric cell. The surface resistance was again measured.    As shown in the graph, the results indicated that the interfacial resistance of the lithium symmetric cell employing an electrode coated with polymer electrolyte (shown by squares) became significantly lower than that of lithium symmetric cell employing the polymer electrolyte film (shown by circles). In case of the cell employing an electrode treated with a plasticizer, the interfacial resistance was similar to that of the cell employing an electrode coated with polymer electrolyte, which was then significantly increased over time (shown by triangles). It was demonstrated that the cell employing an electrode coated with polymer electrolyte has the lowest interfacial resistance.