Patent application number | Description | Published |
20090280548 | METHOD AND DEVICE FOR PRODUCING HYDROGEN - In a step of contacting an organic material including formic acid ions and a carbon source other than the formic acid ions with a microorganism having a formate dehydrogenase gene and a hydrogenase gene under an anaerobic condition, concentration of the formic acid ions in the organic material is set to be not less than 0.01 mol/L and not more than 0.5 mol/L, and concentration of the carbon source is set to not less than 0.1 mmol/L and not more than 200 mmol/L. This allows continuously producing hydrogen for a long time, without dropping the ability of the microorganism to produce hydrogen. | 11-12-2009 |
20120135278 | REDOX FLOW BATTERY - A redox flow battery comprising an electrode cell including a negative electrode cell, a positive electrode cell and a separator for separating them, in which at least one of the negative electrode cell and the positive electrode cell includes a slurry type electrode solution, a porous current collector and a casing; a tank for storing the slurry type electrode solution; and a pipe for circulating the slurry type electrode solution between the tank and the electrode cell. | 05-31-2012 |
20130015076 | HYDROGEN PRODUCTION DEVICE AND METHOD FOR PRODUCING HYDROGENAANM Yoshida; AkihitoAACI Osaka-shiAACO JPAAGP Yoshida; Akihito Osaka-shi JPAANM Sata; ShunsukeAACI Osaka-shiAACO JPAAGP Sata; Shunsuke Osaka-shi JPAANM Kaga; MasakiAACI Osaka-shiAACO JPAAGP Kaga; Masaki Osaka-shi JP - There is provided a hydrogen production device which is high in the light use efficiency and can produce hydrogen with high efficiency without decreasing the hydrogen generation rate. | 01-17-2013 |
20130052555 | ALKALINE FUEL CELL AND ALKALINE FUEL CELL SYSTEM - Provided is an alkaline fuel cell, including: a membrane electrode assembly including an anion conductive electrolyte membrane, an anode electrode stacked on a first surface of the anion conductive electrolyte membrane, and a cathode electrode stacked on a second surface opposite to the first surface of the anion conductive electrolyte membrane; a first separator stacked on the anode electrode, at least including a fuel receiving portion for receiving a fuel; a second separator stacked on the cathode electrode, at least including an oxidant receiving portion for receiving an oxidant; and an alkaline aqueous solution supply portion for bringing an alkaline aqueous solution into contact with only the anion conductive electrolyte membrane of the membrane electrode assembly. | 02-28-2013 |
20130068296 | SOLAR-CELL-INTEGRATED GAS PRODUCTION DEVICE - The present invention provides a solar-cell-integrated gas production device that can generate a first gas and a second gas by utilizing an electromotive force of a solar cell, and that can supply power to an external circuit by utilizing the same solar cell. | 03-21-2013 |
20130122382 | CARBON DIOXIDE SEPARATOR AND METHOD OF USE THEREFOR - Provided are a carbon dioxide separator and method of use therefor for separating carbon dioxide gas from a mixed gas containing oxygen and carbon dioxide gases, said carbon dioxide separator comprising: a carbon dioxide separating stack having in sequence an anode electrode, an anion-exchange polymer electrolyte membrane and a cathode electrode; a reducing agent supply chamber for supplying a reducing agent to the anode electrode, said reducing agent supply chamber disposed on the outer surface of the anode electrode and comprising a space in which at least a part of the anode electrode side is exposed; and a mixed gas supply chamber for supplying the mixed gas to the cathode electrode, said mixed gas supply chamber disposed on an outer surface of the cathode electrode and comprising a space in which at least a part of the cathode electrode side is exposed. The anode and cathode electrodes are electrically connected. | 05-16-2013 |
20130180862 | HYDROGEN PRODUCTION DEVICE AND METHOD FOR PRODUCING HYDROGEN - A hydrogen production device of the present invention includes a photoelectric conversion portion having a light-receiving surface and a back surface, a first electrolysis electrode provided on the back surface, and a second electrolysis electrode provided on the back surface. As a result of reception of light by the photoelectric conversion portion, a potential difference is generated between a first area on the back surface and a second area on the back surface, the first area becomes electrically connected to the first electrolysis electrode, and the second area becomes electrically connected to the second electrolysis electrode. When the first electrolysis electrode and the second electrolysis electrode contact an electrolyte solution, the first electrolysis electrode forms a hydrogen generation portion that generates H | 07-18-2013 |
20130280623 | METAL-AIR BATTERY AND ENERGY SYSTEM - The present invention has been achieved to provide a metal-air battery that allows removal of a metallic compound without suspending power supply. The metal-air battery of the present invention includes: first and second electrolytic tanks for storing an electrolytic solution; a metallic electrode to serve as an anode provided in the first electrolytic tank; and an air electrode to serve as a cathode, wherein the metallic electrode is formed of a metal which becomes a metallic ion or composes a metallic compound in the electrolytic solution with progress of a battery reaction, the first and second electrolytic tanks are communicated with each other for allowing the electrolytic solution in the first electrolytic tank to move into the second electrolytic tank, and the metallic ion or the metallic compound in the electrolytic solution is precipitated as a metallic compound precipitate in the second electrolytic tank. | 10-24-2013 |
20140337008 | IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, PROGRAM AND STORAGE MEDIUM - An image processing apparatus ( | 11-13-2014 |