TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Apparatus: The fuel cell further has product recovery portion (300) for recovering the product produced by electric power generation, product transport unit (500) for conveying product to the product recovery portion, unit for separating oxygen in the product, and flow path structure where the acid medium and basic medium form a laminar flow in the electric power generation portion. The storage portion (200) has basic medium storage portion (222) and acid medium storage portion (221). The transport unit (400) has basic medium transport unit (430) for supplying basic medium from the basic medium storage portion to the electric power generation portion, and acid medium transport unit (420) for supplying acid medium. The reacting material storage portion is integrated to the acid medium storage portion and/or basic medium storage portion. The reacting material is contained in the acid medium and/or basic medium which are stored in the acid medium storage portion and basic medium storage portion, respectively. The transport unit (400) and product transport unit are operated with same power source.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Medium: The acid medium contains aqueous acid or acidic ionic conductive gel. The basic medium contains basic aqueous solution or comprised from basic ionic conductive gel. The acid medium and basic medium in electric-power generation portion contain the reacting material. The aqueous acid is sulfuric acid, methanesulfonic acid, trifluoro methanesulfonic acid, hydrochloric acid, hydroiodic acid, hydrobromic acid, perchloric acid, periodic acid, orthophosphoric acid, polyphosphoric acid, nitric acid, tetra fluoroboric acid, hydrogen hexafluorosilicate, hexafluoro phosphate, hexafluoro arsenic acid, hexachloroplatinic acid, acetic acid, trifluoroacetic acid, citric acid, oxalic acid, salicylic acid, tartaric acid, maleic acid, malonic acid, phthalic acid, fumaric acid and/or picric acid. The basic aqueous solution contains sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, barium hydroxide, magnesium hydroxide, ammonium hydroxide, hydrated tetramethyl ammonium, hydrated tetra ethyl ammonium, hydrated tetrapropyl ammonium, and/or hydrated tetra butyl ammonium, or sodium carbonate, sodium hydrogencarbonate, potassium carbonate, potassium hydrogen carbonate, sodium borate, potassium borate, silicate, potassium silicate, sodium tripolyphosphate, potassium tripolyphosphate, sodium aluminate, and/or potassium aluminate. The acidic ionic conductive gel is obtained by gelatinizing aqueous acid by water glass, anhydrous silicon dioxide, crosslinking polyacrylic acid, agar or its salt. The basic ionic conductive gel is obtained by gelatinizing the basic aqueous solution by carboxymethyl cellulose, crosslinking polyacrylic acid or its salt.Preferred Material: The substance of the reacting material contained in acid medium and basic medium are same, preferably hydrogen peroxide.Preferred Electrodes: The electrodes (I and II) are comprised from material of platinum, platinum black, platinum-oxide coated platinum, silver, gold, titanium with passivated surface, stainless steel with passivated surface, nickel with passivated surface, aluminum with passivated surface, carbon structure, amorphous carbon and/or glassy carbon. The electrodes are in plate shape, thin film shape, mesh shape or fibrous form. The electrodes are arranged in the acid medium and basic medium by non-electrolytic plating, vapor deposition method or sputtering method.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Medium: The acid medium contains aqueous acid or acidic ionic conductive gel. The basic medium contains basic aqueous solution or comprised from basic ionic conductive gel. The acid medium and basic medium in electric-power generation portion contain the reacting material. The aqueous acid is sulfuric acid, methanesulfonic acid, trifluoro methanesulfonic acid, hydrochloric acid, hydroiodic acid, hydrobromic acid, perchloric acid, periodic acid, orthophosphoric acid, polyphosphoric acid, nitric acid, tetra fluoroboric acid, hydrogen hexafluorosilicate, hexafluoro phosphate, hexafluoro arsenic acid, hexachloroplatinic acid, acetic acid, trifluoroacetic acid, citric acid, oxalic acid, salicylic acid, tartaric acid, maleic acid, malonic acid, phthalic acid, fumaric acid and/or picric acid. The basic aqueous solution contains sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, barium hydroxide, magnesium hydroxide, ammonium hydroxide, hydrated tetramethyl ammonium, hydrated tetra ethyl ammonium, hydrated tetrapropyl ammonium, and/or hydrated tetra butyl ammonium, or sodium carbonate, sodium hydrogencarbonate, potassium carbonate, potassium hydrogen carbonate, sodium borate, potassium borate, silicate, potassium silicate, sodium tripolyphosphate, potassium tripolyphosphate, sodium aluminate, and/or potassium aluminate. The acidic ionic conductive gel is obtained by gelatinizing aqueous acid by water glass, anhydrous silicon dioxide, crosslinking polyacrylic acid, agar or its salt. The basic ionic conductive gel is obtained by gelatinizing the basic aqueous solution by carboxymethyl cellulose, crosslinking polyacrylic acid or its salt.Preferred Material: The substance of the reacting material contained in acid medium and basic medium are same, preferably hydrogen peroxide.Preferred Electrodes: The electrodes (I and II) are comprised from material of platinum, platinum black, platinum-oxide coated platinum, silver, gold, titanium with passivated surface, stainless steel with passivated surface, nickel with passivated surface, aluminum with passivated surface, carbon structure, amorphous carbon and/or glassy carbon. The electrodes are in plate shape, thin film shape, mesh shape or fibrous form. The electrodes are arranged in the acid medium and basic medium by non-electrolytic plating, vapor deposition method or sputtering method.