TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The anode comprises an electron accepting catalyst disposed on electrolyte film on the side toward the fuel composition. The anode further comprises electron accepting catalyst mixed with additional solid perfluorinated polymer membrane and attached to the electrolyte film under high temperature and pressure. Alternately, the anode comprises the electron accepting catalyst coated on a fuel diffusion layer and attached to the electrolyte film under high temperature and pressure. The cathode comprises an electron donating catalyst disposed on the electrolyte film on the side opposite the fuel composition, and further mixed with additional solid perfluorinated polymer membrane and attached to the electrolyte film under high temperature and pressure. Alternately, the cathode comprises electron donating catalyst coated on a fuel diffusion layer and attached to the electrolyte film under high temperature and pressure.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The amount of hydrogen gas is 0.01-30 volume%. Fuel (F1) comprises at least one aqueous solution selected from 1-10C alkyl alcohols and 1-10C alkyl acids, preferably selected from methanol, ethanol and formic acid. The concentration of the aqueous solution is 0.01-17 M.    TECHNOLOGY FOCUS - POLYMERS - Preferred Film: The electrolyte film comprises solid perfluorinated polymer membrane. EXAMPLE - Hydrogen gas was bubbled into 1 M methanol at 20degreesC to prepare a fuel composition. The amount of hydrogen gas was 0.153 volume% of the fuel composition. Platinum on activated carbon (Pt/C in a weight ratio of 60/40) was dispersed in a mixture of ultra pure distilled water, ethylene glycol and 20 wt.% NAFION (RTM: ionomer solution) to prepare a slurry. The slurry was coated on a polymer film to form a cathode catalyst layer. The loading amount of platinum in the cathode catalyst layer was 2 mg/cm2. An anode catalyst layer was prepared in the similar manner as the cathode catalyst layer, except that 1:1 platinum and ruthenium on carbon black was used instead of Pt/C. The loading amount of platinum-ruthenium in the anode catalyst layer was 6 mg/cm2. A unit cell was prepared by transferring the anode and cathode catalyst layers on respective sides of NAFION 115 (RTM: electrolyte film) and then binding anode diffusion layer and cathode diffusion layer to the anode and cathode catalyst layers, respectively. Unit cell test was performed using the fuel composition as an anode fuel and air as a cathode fuel. The current density was measured while maintaining the voltage at 0.4 V, while the operating temperature was 50degreesC. The amount of dissolved hydrogen was 1.53x10-3 ml/cc of fuel composition.