TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Device: The device further comprises at least one cathode, at least one porous separator and at least one anode. The electrochemical device includes an anode and the electrolyte includes an additive selected to form a passivation layer on the electrode.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The cathode includes a lithium metal oxide and the anode includes at least one material selected from carbon and lithium metal. The anode includes a lithium metal and the electrolyte includes an organoborate salt. The electrolyte is liquid, solid or gel. The electrolyte has an ionic conductivity greater than 2x10-4 S/cm at 24degreesC.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The first substituent is selected from a first side chain that includes a cyclic carbonate moiety; a first side chain that includes a poly(alkylene oxide) moiety; and a first cross link links the disiloxane to a second siloxane and that includes a poly(alkylene oxide) moiety. The first substituent is a first side chain that includes a cyclic carbonate moiety or poly(alkylene oxide) moiety. The disiloxane excludes a poly(alkylene oxide) moiety and includes no more than one poly(alkylene oxide) moiety. The first substituent includes an organic spacer positioned between the first silicon and the poly(alkylene oxide) moiety. The poly(alkylene oxide) moiety includes an oxygen linked directly to the first silicon. The disiloxane is of Z3Si-O-Si(R21)(R22)-R23-(CH2-CH(R24)-O)x-R25 (preferably (CH3)3Si-O-Si(CH3)2-O(CH2CH2O)nCH3), (CH3)3Si-O-Si(CH3)2-O-(CH2CH2O)n-Si(CH3)2-O-Si(CH3)3, (CH3)3Si-O-Si(CH3)2-CH2CH2CH2-O-(CH2CH2O)n-CH2CH2CH2Si(CH3)2-O-Si(CH3)3, (R1)(R5)(R3)Si-O-Si(R2)(R4)(R6) or R35-(O-CH(R35)-CH2)y-O-R33-Si(R31)(R32)-O-Si(R26)(R27)-R28-O-(CH2-CH(R29)-O)x-R30 (preferably CH3(OCH2CH2)nO-Si(CH3)2-O-Si(CH3)2-O(CH2CH2O)mCH3).R1 - R4, R21, R22, Z = alkyl or aryl;R9, R14, R15, R17, R23 = absent or spacer;R24, R29, R34 = H or alkyl;R25, R30, R35 = alkyl;x, y = 1 - 30;m, n, q = 1 - 12;R5 = -R9-O-(CH2-CH(R10)-O)n-R11, -R14-O-(CH2-CH(R16-O)n-R15-S1 or a group of formula (ia);S1 = second siloxane;R6 = alkyl, aryl, -R17-O-(CH2-CH(R18)-O)q-R19, -R9-O-(CH2-CH(R10)-O)n-R11 or a group of formula (ib);R10, R16, R18 = H, alkyl or aryl;R11, R19, R26, R27, R31, R32 = alkyl or aryl;R12 = organic spacer (optionally includes at least one CH2 group);p = 1 - 2;R20 = organic spacer; andR28, R33 = absent or spacer.The second siloxane is a second disiloxane. The first substituent is a first cross link that links the disiloxane to a second siloxane and that includes the poly(alkylene oxide) moiety. The second silicon is linked to a second substituent selected from a second side chain that includes a cyclic carbonate moiety, and a second side chain that includes a poly(alkylene oxide) moiety. The first substituent is a first side chain that includes the cyclic carbonate moiety and the second substituent is the second side chain that includes the cyclic carbonate moiety or poly(alkylene oxide) moiety; the first substituent is a first side chain that includes the poly(alkylene oxide) moiety and the second substituent is the second side chain that includes the poly(alkylene oxide) moiety or the cyclic carbonate moiety; or the first substituent is a first cross link that includes the poly(alkylene oxide) moiety and the second substituent is the second side chain that includes the poly(alkylene oxide) moiety. The disiloxanes include at least two poly(alkylene oxide) moieties, and at least one cyclic carbonate moieties. The electrolyte includes an alkali metal salt (0.3 - 2 M.), an organoborate salt. The electrolyte includes at least one additive selected from vinyl carbonate, vinyl ethylene carbonate, ethylene sulfite, 1,3-dimethyl butadiene, styrene carbonate, aromatic carbonates, vinyl pyrrole, vinyl piperazine, vinyl piperidine and/or vinyl pyridine (preferably vinyl carbonate and vinyl ethylene carbonate). The disiloxanes are more than 50 wt.% of the electrolyte.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The cathode includes a lithium metal oxide and the anode includes at least one material selected from carbon and lithium metal. The anode includes a lithium metal and the electrolyte includes an organoborate salt. The electrolyte is liquid, solid or gel. The electrolyte has an ionic conductivity greater than 2x10-4 S/cm at 24degreesC.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The electrolyte includes the disiloxane entrapped within a network polymer or a solid polymer. The network polymer is a product of polymerizing a dialkyl acrylate, a dimethacrylate, a dialkyl methacrylate or a diallyl terminated compound. The solid polymer is polyacrylonitrile (PAN), poly(methyl methacrylate) (PMMA), poly(vinylidene fluoride) (PVdF), poly(vinylidene fluoride-co-hexafluoropropylene), poly(vinyl acetate) or polystyrene, poly(ethylene oxide) (PEO). SPECIFIC COMPOUNDS - 2 Compounds are specifically claimed as the disiloxane, e.g. 4-(3-(1,1,3,3,3-pentamethyl-disiloxanyl)-propoxymethyl)-(1,3)dioxolan-2-one.