TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The electrolyte is aluminum chloride acid ionic liquid formed by aluminum chloride and quat. ammonium salt or ionic liquid of aluminum chloride and phenyl trimethyl ammonium chloride. Preferred Process: The positive active material of carbon sulfur composite material is prepared by mixing active carbon and elemental sulfur in weight ratio of 1:3 and placing mixture in ball mill jar, carrying out ball milling on mixture in ball:material proportion of 1:1 for 6 hours at rotation rate of 200 r/minute, placing milled powder in resistance furnace, heating and compounding powder for 3 hours at 350 degrees C under protection of argon gas, and naturally cooling powder to obtain carbon sulfur composite material. The negative material is foamed aluminum prepared by selecting organic foamed material as substrate material, pre-processing material through degreasing, deoiling and removing of stress, ionizing pre-processed material, placing ionized material in chemical copper plating solution or nickel plating solution to plate copper conductive surface layer or nickel conductive surface layer or pre-processing substrate material, coating conductive glue, taking substrate material after conduction process as cathode and placing material in plating bath of organic electrolyte containing aluminum salt or ionic liquid containing aluminum ion, taking metal aluminum sheet as anode, electrodepositing aluminum through direct current or pulse electroplating method at 20-150 degrees C for 20-200 minutes with current density of 0.001-0.1 A/cm2, electroplating at current density of 0.005-0.05 A/cm2 for 1-3 hours, electroplating at current density of 0.005-0.01 A/cm2 for 1-2 hours, continuously stirring electrolyte during electroplating process, and carrying out thermal processing in vacuum on foamed aluminum obtained after electroplating by removing organic foam functioning as base through decomposition combustion in air atmosphere in which temperature and time for thermal processing are 200-800 degrees C and 5-120 minutes and carrying out thermal processing on pyrolyzed foamed aluminum for 10-20 minute at 300-800 degrees C under protection of reducing atmosphere of hydrogen and cooling pyrolyzed aluminum to obtain required foamed aluminum negative material.    TECHNOLOGY FOCUS - METALLURGY - Preferred Composition: The current collector is made of stainless steel, carbon, copper, aluminum and/or nickel in the form of foam, mesh, foil and flake of metal or carbon fiber cloth.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The organic solvent is methyl cyanide, methanol, ethanol, acetone, tetrahydrofuran and/or isopropyl alcohol.    TECHNOLOGY FOCUS - POLYMERS - Preferred Process: The active material of sulfurated PVC is prepared by mixing anhydrous sodium sulfide with sublimed sulfur in molar ratio of 1:1-1:6, adding N,N-dimethyl formamide in mixture of 50 mL/mol of sublimed sulfur and stirring mixture for 2 hours at room temperature, increasing temperature to 20-120 degrees C and stirring mixture for 12 hours under protection of inert gas to obtain sodium polysulfide solution, adding PVC with number average molecular weight of 150000-250000 in N,N-dimethyl formamide of 1500 ml/mol of chlorine, dropwise adding sodium polysulfide solution in PVC solution in sodium:chloride molar ratio of 1:1 at 50-150 degrees C, stirring mixture to react for 24 hours, washing reaction product and filtering washed reaction product to obtain sulfurated PVC product, and drying sulfurated PVC for 24 hours in vacuum at 80 degrees C to obtain sulfurated PVC product powder product. Preferred Composition: The conductive agent is active carbon, carbon black, acetylene black, super carbon black (Super-P), graphite, polyaniline, polyacetylene, polypyrrole and/or polythiophene. The adhesive is polyvinyl acetate, polyvinyl alcohol, polyethylene oxide, polyvinylpyrrolidone, polyvinyl ether, polymethyl methacrylate, polyvinylidene fluoride, PTFE, PVC, polyacrylonitrile, polyethylene pyridine, polystyrene or derivatives and/or copolymers.