TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The lithium salt is from lithium phosphorus hexafluoride (LiPF6), lithium boron tetrafluoride (LiBF4), lithium antimony hexafluoride (LiSbF6), lithium arsenic hexafluoride (LiAsF6), lithium chlorate (LiClO4), lithium trifluorocarbon sulfate (LiCF3SO3), lithium nitrogen di(trifluorocarbon sulfite) (LiN(CF3SO2)2), lithium nitrogen di(pentafluoroethane sulfite) (LiN(C2F5SO2)2), lithium aluminate (LiAlO4), lithium aluminum tetrachloride (LiAlCl4), LiN(CxF2x+1SO2)(CyF2y+1SO2), lithium sulfate trifluorocarbon (LiSO3CF3), or their mixtures. x, y=natural numbers.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The polymer electrolyte further includes ethylenically unsaturated monofunctional or multifunctional compound(s). The polymerization initiator is organic peroxide or an azo-based compound. It is peroxy dicarbonates from di(4-t-butylcyclohexyl) peroxydicarbonate, di-2-ethylhexyl peroxy dicarbonate, di-isopropyl peroxy dicarbonate, di-3methoxy butyl peroxy dicarbonate, t-butyl peroxy isopropyl carbonate, t-butyl peroxy 2-ethylhexyl carbonate 1,6-bis(t-butyl peroxycarbonyloxy) hexane, or diethylene glycolbis(t-butyl peroxy dicarbonate); diacyl peroxides from diethylene glycol-bis(t-butyl peroxy carbonate), diacetyl peroxide, dibenzoyl peroxide, dilauroyl peroxide, or bis-3,5,5-trimetyl hexanoyl peroxide; peroxy esters from t-butyl peroxy pivalate, t-amyl peroxy pivalate, t-butyl peroxy-2-ethyl-hexanoate, t-hexylperoxy pivalate, t-butyl peroxy neodecanoate, t-butyl peroxy neoheptanoate, t-hexylperoxy pivalate, 1,1,3,3-tetramethylbutyl peroxy neodecarbonate, 1,1,3,3-tetramethyl butyl 2-ethylhexanoate, t-amyl peroxy 2-ethyl hexanoate, t-butyl peroxy isobutyrate, t-amylperoxy 3,5,5-trimethyl hexanoyl, t-butyl peroxy 3,5, 5-trimethyl hexanoate, t-butyl peroxy acetate, t-butyl peroxy benzoate, or di-butylperoxy trimethyl adipate; and/or azo-based compounds from 2,2'-azobis(isobutyronitrile), 2,2'-azo-bis(2,4-dimethylvaleronitrile), or 1,1'-azo-bis(cyanocyclo-hexane). The non-aqueous organic solvent is from carbonates, esters, ethers, ketones, nitriles, or their and mixtures. The negative active material is a carbonaceous material. The positive active material is a lithiated intercalation compound. Preferred Composition: The multi functional monomer is present in 0.5-20wt%. The non-aqueous organic solvent is present in 80-99.5wt%.