TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The additive(s) polymerizes at the surface of the anode to form the passivation layer. It is reduced at the surface of the anode to form a passivation layer. It is from vinyl carbonate (VC), vinyl ethylene carbonate (VEC), ethylene sulfite (ES), propylene sulfite (PS), 1,3-dimethyl butadiene, styrene carbonate, aromatic carbonate, vinyl pyrrole, vinyl piperazine, vinyl piperidine, vinyl pyridine, or phenyl ethylene carbonate (PhEC). The salt(s) is from lithium chlorate, lithium boron tetrafluoride, lithium arsenic hexafluoride, lithium phosphorus hexafluoride, lithium antimony hexafluoride, lithium trifluorocarbon sulfate, lithium pentafluorohexane sulfate, lithium carbon tri(trifluoromethane sulfate), lithium nitrogen di(pentafluoroethane sulfate), lithium nitrogen di(trifluoromethane sulfate), lithium aluminum tetrachloride, lithium gallium tetrachloride, lithium sulfur cyanide, lithium dioxide, lithium trioxide sulfur trilfluoromethane, lithium trioxide carbon trifluoromethane, lithium sulfate fluoride, lithium boron tetrahexane, lithium-methide, lithium-imide, or lithium alkyl fluorophosphates. The anode(s) includes lithium metal. The electrolyte includes silane(s), disiloxane(s), trisiloxane(s), tetrasiloxane(s), or polysiloxane(s). The silane(s) includes a silicon linked to substituent(s) that includes poly(alkylene oxide) moiety or cyclic carbonate moiety. The silane(s) is represented by SiR4-x-yR'xR''y. The disiloxane(s) includes a backbone with a silicon linked to substituent(s) that include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The disiloxane is represented by R5-Si(R1)(R3)-O-Si(R2)(R4)-R 6, formula VII-B, or formula -R14-O-(CH2-CH(R16)-O)n-R15-second siloxane. The trisiloxane(s) includes a backbone with three silicons where silicon(s) is linked to substituent(s) that include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. It is of formula R8-Si(R5)(R6)-O-Si(R1)(R2)-O-Si(R3)(R4)-R7 or Z3Si-O-Si(R19)(R20)-O-SiZ3. The tetrasiloxane(s) includes a backbone with four silicons where silicons are linked to substituent(s) that include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The tetrasiloxane is represented by R9-(O-CH(R10)-CH2)x-O-R8-Si(R5)(R6)-O-Si(R1)(R2)-O-Si(R1)(R2)-O-Si(R3)(R4)-R7-O-(CH2-CH(R9)-O)y-R11 or Z3Si-O-Si(R20)(R22)-O-Si(R21)(R23)-O-SiZ3. The polysiloxane(s) includes a backbone with five or more silicons. The anode(s) includes two components from carbon beads, carbon fibers, or graphite flakes. The solvent is organic solvent(s).R=alkyl group, aryl group, or halogen;R'x=represented by formula -R9-O-(CH2-CH(R10)-O)n-R11 or -R14-O-(CH2-CH(R16)-O)n-R15-second silane;R''y=represented by Formula VIII-B;R9, R13-R15, R17, R25, R26=nil or an organic spacer;R10, R16, R18, R25, R27, R28=H, alkyl, or aryl;R11, R21, R24, R26, R29=alkyl or aryl;n=1-15;R12, R20=organic spacer;p=1-12;R1-R4=alkyl or aryl group;R5=is represented by formula -R9-O-(CH2-CH(R10)-O)n-R11;R6=is alkyl group, aryl group, formula -R17-O-(CH2-CH(R18)-O)q-R19, or formula VII-E;R19=alkyl or aryl;q, r=1-12;R7=is represented by formula -R9-O-(CH2-CH(R10)-O)n-R11 or formula V-B;R8=is represented by formula -R13-O-(CH2-CH(R14)-O)q-R15 or formula V-D;R20=is represented by formula VI-A, -(O-CH3-CH(R23))r-O-R24, or formula -R25-O-(CH2-CH(R27)-O)n-R26-second siloxane;x, y=1-12;R22=is represented by formula -R24-O-(CH2-CH(R25)-O)p-R26;R23=is represented by formula -O-(CH2-CH(R26)-O)q-R29 or formula IV-C;andR30=organic spacer.It is provided that 4 - x - y indicates the number of R substituents, and x + y is greater than or equal to 1. The second silane represents another silane.Preferred Composition: The additive(s) is present in the electrolyte at a concentrations less than 5 wt%.