TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Method: A certain amount of tungstic oxide powder is weighed in an agate mortar. The suspension liquid with 0.1-1% in concentration is prepared by using absolute ethanol as the medium. The preparation of tungstic oxide comprises: either taking tungstate (0.1-3 mol/l) as the material for preparing tungstate solution according to the molar ratio of tungstate to stabilizer of 1:0.05-0.5; dipping tungstate solution into a precipitator solution (0.5-16 mol/l) until the pH value is 2-4 to obtain a yellow precipitate; filtering and washing the yellow precipitate to be neutral; washing it by absolute ethanol thrice, and drying it at 100-120 degrees C for 1-3 hours to obtain the powder; and then, heating it at 400-600 degrees C for 1-4 hours to obtain yellow tungstic oxide; and finally, obtaining the superfine yellow tungstic oxide by an air flow crushing or ball milling, or placing 99.9% of metal tungsten powder in a crucible or a ceramic evaporation pan at 500-600 degrees C and heating for 1-4 hours to obtain yellow tungstic oxide; and then, obtaining the superfine yellow tungstic oxide powder body by the air flow crushing or ball milling; or adding hydrogen peroxide and acid to 99.9% of metal tungsten powder, stirring at 40-80 degrees C and reacting for 1-3 hours to obtain the yellow precipitate; filtering and washing the precipitate to be neutral; washing it by absolute ethanol thrice, and drying it at 100-120 degrees C for 1-3 hours to obtain the powder; and then, heating it at 400-600 degrees C for 1-4 hours to obtain yellow tungstic oxide; and finally, obtaining the superfine yellow tungstic oxide by the air flow crushing or ball milling. The manufacturing method of planar electrode comprises: either cutting two metal foils with different power functions into strips with 1-2 mm in width and 1-5 cm in length; adhering of strips on the same horizontal plane of the surface of the plastic sheet by the adhesives, where the distance between the two electrodes is 1-3 mm; extracting the tail end of the electrode with lead; and forming four sides of the electrode with planar electrodes with 1-5 cm in length and 5-15 mm in width by the plastic strip with 1-2 mm in thickness. The manufacturing method of planar inter-digital electrode comprises cutting the two metal foils with different power functions into comb-shaped positive and negative electrode blocks with 2 mm in width, 1.5-5 cm in length and 6-8 mm in gap; adhering the two comb-shaped positive and negative electrode blocks on the same horizontal plane of the surface of the plastic sheet carefully for preparing an inter-digital electrode with 2 mm in width and 1-2 mm in gap; extracting tail ends of the two electrodes with lead; and forming four sides of the electrode with inter-digital electrodes by the insulating plastic strip with 1-2 mm in thickness. The manufacturing method of three-dimensional electrode pair comprises cutting the two metal foils with different power functions into strips with 1-2 mm in width and 1-5 cm in length; adhering strips on the surface of two insulating sheets with 2-3 mm in thickness; then, adhering the strips on the same horizontal plane of the plastic negative film oppositely, where the distance between the two electrodes is 1-3 mm; extracting the tail end of the electrode with lead to prepare a three-dimensional electrode pair. The manufacturing method of a tandem three-dimensional electrode pair comprises adhering the two metal foils with different power functions respectively on two side faces of the plastic strip with 2-3 mm in thickness; connecting the two metal foils by lead; determining the number of the tandem battery according to requirement; adhering the tandem battery on the same horizontal plane of the plastic negative film; then adhering the manufactured positive and negative electrodes on two edges of the tandem battery according to the manufacturing method of three-dimensional electrode pair to prepare a tandem three-dimensional electrode pair. Preferred Components: The additive is glycol, glycerol, isopropanol or normal-butanol. The activating agent is lithium ion, potassium ion, sodium ion, ammonium ion or silver ion. The concentration of the activating agent is 0.1-0.5 mol/l. The conducting agent is carbon nanotube, carbon 60 or graphene. The conducting agent is polyaniline liquid. The organic polymer film-forming agent is polyvinyl alcohol, polyethylene oxide whose degree of polymerization is 10 (5)-10 (7), methylcellulose, Ethocel (RTM: Premium ethylcellulose polymers), polyacrylamide or chitosan. The tungstate is sodium tungstate or ammonium tungstate. The stabilizer is ethylic acid, citric acid, oxalic acid, tartaric acid, maleic acid or malic acid. The concentration of the stabilizer is 0.05-0.5 mol/l. The precipitator is hydrochloric acid, nitric acid or sulfuric acid. The concentration of the precipitator is 0.5-16 mol/l.