TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Properties: The normal temperature fused salt and normal temperature fused-salt composition have melting point of 50degreesC or less.Preferred Composition: The anion component of salt (B) is chosen from tetra fluoroborate, hexafluoro phosphate, bis(trifluoro methylsulfonyl)imide, bis(pentafluoro ethyl sulfonyl)imide, trifluoromethane sulfonate, and/or trifluoroacetic acid. The cation component of salt (B) is chosen from quaternary-ammonium cation of formula, R1R2R3(N+)R4 and phosphonium cation of formula, R5R6R7(P+)R8.R1-R4, R5-R8 = alkyl, alkoxyalkyl or hydroxylalkyl, where at least two of R1-R4 couples together to form a ring system and at least two of R5-R8 couples together to form a ring system.Preferred Components: The imide anion is chosen from bis(trifluoro methylsulfonyl)imide, bis(pentafluoro ethyl sulfonyl)imide, bis(fluoro sulfonyl)imide, bis(trifluoromethyl carbonyl)imide and/or trifluoro methylsulfonyl)(trifluoromethyl carbonyl)imide.The alkylating agent used in manufacture of fused salt is an alkyl halide. The quaternary ammonium cation is chosen from tetramethyl ammonium, tetraethylammonium, tri-ethyl-methyl ammonium, trimethyl propyl ammonium, trimethyl butyl ammonium, (methoxyethyl) trimethyl ammonium, ethyldi(methoxyethyl)methyl-ammonium, diethyl(methoxyethyl)methyl-ammonium, ethyldi(ethoxyethyl)methyl-ammonium, triethyl ammonium (ethoxyethyl), (hydroxyethyl)trimethyl ammonium, (hydroxyethyl)ethyl dimethyl-ammonium, trimethyl ammonium (hydroxypropyl), trimethyl ammonium (hydroxybutyl), dimethyl pyrrolidinium, diethyl pyrrolidinium, ethylmethyl pyrrolidinium, butyl methyl pyrrolidinium, methyl(methoxyethyl)pyrrolidinium, dimethyl piperidinium, ethylmethyl piperidinium and/or (methoxyethyl)methyl piperidinium. The phosphonium cation is tetramethyl methylphosphonium and/or tetraethyl phosphonium.Preferred Process: The anion exchange reaction is carried out by imide anion. EXAMPLE - (In g) N-methyl pyrrolidine (8.5) and tetrahydrofuran (100 ml) were added to a flask (200 ml). Then, iodopropane (17.9) was dripped to the flask for 30 minutes, and reacted at 60degreesC for 6 hours. The obtained reaction liquid was filtered, and dried to obtain methyl propyl pyrrolidinium-iodide precipitate (22). The obtained methyl propyl pyrrolidinium-iodide precipitate (11.5) was dissolved in water. 50% aqueous solution of lithium bis(trifluoro methylsulfonyl)imide (12.9) was dripped and the resulting solution was stirred for 30 minutes. The aqueous and organic phases of the solution were separated. The organic phase was washed with water, and dried under reduced pressure, to obtain methylpropyl pyrrolidinium-bis(trifluoro methylsulfonyl)imide (16.2) (normal temperature fused salt). The obtained fused salt was liquid at room temperature.    The oxidation-reduction potential of the fused salt was measured. The result showed that the fused salt had electric conductivity of 8.4 mS/cm at 25degreesC, Ered of -3.2 (V vs SCE) and Eox of 2.9 (V vs SCE). The obtained fused salt was mixed with methyl-ethyl pyrrolidinium-bis(trifluoro methylsulfonyl)imide. The resulting fused-salt composition had electric conductivity of 9.3 mS/cm at 25degreesC, Ered of -3.2 (V vs SCE) and Eox of 2.9 (V vs SCE).