TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The cyanobacteria is filamentous cyanobacteria i.e. Anabaena cylindrica. The BGII(-N) comprises: stock I (1000 ml) comprising 20.6 g sodium chloride, 0.8 g dipotassium hydrogen phosphate trihydrate and 0.4 g sodium carbonate; stock II (100 ml) comprising 0.3 g citric acid, 0.3 g ferric ammonium citrate and 0.005 g disodium EDTA; stock III (100 ml) comprising 1.36 g calcium nitride; stock IV (100 ml) comprising 3.75 g magnesium sulfate heptahydrate; and stock V (1000 ml) comprising 2.86 g boric acid, 1.81 g manganese chloride tetrahydrate, 3.75 g zinc sulfate heptahydrate, 0.391 g sodium molybdate dihydrate, 0.0079 g copper sulfate monohydrate and 0.0494 g cobalt(II) nitrate hexahydrate. The BGII(+N) comprises: stock I (1000 ml) comprising 30 g sodium chloride, 0.8 g dipotassium hydrogen phosphate trihydrate and 0.4 g sodium carbonate; stock II (100 ml) comprising 0.3 g citric acid, 0.3 g ferric ammonium citrate and 0.005 g disodium EDTA; stock III (100 ml) comprising 1.36 g calcium nitride; stock IV (100 ml) comprising 3.75 g magnesium sulfate heptahydrate; and stock V (1000 ml) comprising 2.86 g boric acid, 1.81 g manganese chloride tetrahydrate, 3.75 g zinc sulfate heptahydrate, 0.391 g sodium molybdate dihydrate, 0.0079 g copper sulfate monohydrate and 0.0494 g cobalt(II) nitrate hexahydrate. Preferred Method: The method comprises (i) culturing Anabaena cylindrica under conditions of constant temperature, continuous illumination and liquid ventilation culture and storing the seed culture in solid agar BGII(+N) culture medium flat plate; (ii) growing in a culture medium for specific concentration, packing into an anaerobic inducing container, adding dichlorophenyl dimethylurea, maintaining anaerobic environment and sealing the test tube; and (iii) collecting hydrogen produced in the step (ii). The method comprises (i) liquid culturing of Anabaena cylindrica in BGII(-N) culture medium under conditions of constant temperature of 30 degrees C, illumination intensity of 30 psi mol photon m-2 s-1 for 24 hours and mixed gas of carbon dioxide and air of volume to volume ratio 2:98, continuous subculturing filamentous cyanobacteria Anabaena cylindrica in 1.5% agar solid BGII(+N) culture medium flat plate and storing at 30 degrees C under continuous illumination intensity of 30 psi mol photon m-2 s-1 and air environment; (ii) dispensing the algae liquid into an anaerobic inducing test tube, adding 1 ~M dichlorophenyl dimethylurea, inducing, continuously passing high purity argon gas into the algae liquid to achieve anaerobic environment, sealing the test tube and allowing the induced cells to produce photosynthetic hydrogen; and (iii) placing the sample tube at 30 degrees C under illumination intensity of 100 mu mol photon m-2 s-1, static culturing, placing the sample tube in a sealed environment and collecting hydrogen at upper part space of the tube.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The fuel cell is hydrogen proton exchange membrane fuel cell, the fuel battery anode is hydrogen and cathode oxygen in air.