TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - The electrolyte further comprises fluoride complexing species comprising at least one of boron, aluminum, ammonium, aza ether, or H-bond donor.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - The fluoride complexing species comprises at least one of: tris(hexafluoroisopropyl)borate; tris(pentafluorophenyl)borane; difluorophenyl boroxin, and its regioisomers; trifluorophenyl boroxin; bis(trifluoromethyl)phenyl boroxin; trifluoromethyl)phenyl boroxin; and fluoro(trifluoromethyl)phenyl boroxin. The ionic liquid solvent comprises at least one of 1-methyl-1-propylpiperidinium bis(trifluoromethanesulfonyl)imide; butyltrimethylammonium bis(trifluoromethanesulfonyl)imide; 1-butyl,1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide; or fluoroalkylphosphate anion derivatives, optionally comprising hydrophobic anion. The solvent further comprises an organic liquid comprising at least one member of nitriles, amines, ethers, carbonates, nitro-containing compounds, aliphatic hydrocarbons, aromatic hydrocarbons, halogenated compounds, sulfoxides, sulfones, amides, esters, alcohols, heterocyclic compound, linear and cyclic alkyls optionally substituted with at least one of these functional groups. The solvent comprises at least one of acetone, acetonitrile, benzonitrile, 4-fluorobenzonitrile, pentafluorobenzonitrile, triethylamine, diisopropylethylamine, 1,2-dimethoxyethane, ethylene carbonate, propylene carbonate, gamma -butyrolactone, dimethyl carbonate, diethyl carbonate, methyl ethyl carbonate, propyl methyl carbonate, tetrahydrofuran, 2-methyltetrahydrofuran, nitromethane, benzene, toluene, chloroform, dichloromethane, 1,2-dichloroethane, dimethylsulfoxide, sulfolane, N,N-dimethylformamide, N,N-dimethylacetamide, carbon disulfide, ethyl acetate, methyl butyrate, n-propyl acetate, methyl propionate, methyl formate, 4-methyl-1,3,-dioxolane, pyridine, methyl isobutyl ketone, methyl ethyl ketone, hexamethylphosphoramide, hexamethylphosphorus triamide, 1-methyl-2-pyrrolidinone, 2-methoxyethyl acetate, trimethyl borate, triethylborate and its substituted derivatives, ethylmethylsulfone, trimethylene sulfone, 1-methyltrimethylene sulfone, ethyl-sec-butyl sulfone, ethyl isopropyl sulfone, 3,3,3-trifluoropropylmethyl sulfone, and 2,2,2-trifluoroethyl sulfone. The organic-soluble fluoride salt are selected from 26 groups e.g. 1,2-bis(dimethylamino)-1,2-bis(dimethylammonium)ethene difluoride; hexamethylguanidinium fluoride; 1-propyl,1-methyl-piperidinium fluoride; 1,3,3,6,6-hexamethylpiperidinium fluoride; 1-methylhexamethylenetetramine fluoride.