Patent application number | Description | Published |
20120028141 | PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING THE SAME - A photoelectrochemical cell ( | 02-02-2012 |
20120237842 | OPTICAL SEMICONDUCTOR AND METHOD FOR PRODUCING THE SAME, OPTICAL SEMICONDUCTOR DEVICE, PHOTOCATALYST, HYDROGEN PRODUCING DEVICE, AND ENERGY SYSTEM - The method for producing the optical semiconductor of the present disclosure includes a mixing step of producing a mixture containing a reduction inhibitor and a niobium compound that contains at least oxygen in its composition; a nitriding step of nitriding the mixture by the reaction between the mixture and a nitrogen compound gas; and a washing step of isolating niobium oxynitride from the material obtained through the nitriding step by dissolving chemical species other than niobium oxynitride with a washing liquid. The optical semiconductor of the present disclosure substantially consists of niobium oxynitride having a crystal structure of baddeleyite and having a composition represented by the composition formula, NbON. | 09-20-2012 |
20120292618 | OPTICAL SEMICONDUCTOR, OPTICAL SEMICONDUCTOR ELECTRODE USING SAME, PHOTOELECTROCHEMICAL CELL, AND ENERGY SYSTEM - The optical semiconductor of the present invention is an optical semiconductor containing In, Ga, Zn, O and N, and has a composition in which a part of oxygen (O) is substituted by nitrogen (N) in a general formula: In | 11-22-2012 |
20130192984 | NbON FILM, METHOD FOR PRODUCING NbON FILM, HYDROGEN GENERATION DEVICE, AND ENERGY SYSTEM PROVIDED WITH SAME - The NbON film of the present invention is a NbON film in which a photocurrent is generated by light irradiation. The NbON film of the present invention is desirably a single-phase film. The hydrogen generation device ( | 08-01-2013 |
20130316254 | ENERGY SYSTEM - An energy system includes an solar hydrogen producing unit ( | 11-28-2013 |
20140004435 | PHOTOELECTRODE AND METHOD FOR PRODUCING SAME, PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING SAME, AND HYDROGEN GENERATION METHOD | 01-02-2014 |
20140057187 | NIOBIUM NITRIDE AND METHOD FOR PRODUCING SAME, NIOBIUM NITRIDE-CONTAINING FILM AND METHOD FOR PRODUCING SAME, SEMICONDUCTOR, SEMICONDUCTOR DEVICE, PHOTOCATALYST, HYDROGEN GENERATION DEVICE, AND ENERGY SYSTEM - The present invention is a niobium nitride which has a composition represented by the composition formula Nb | 02-27-2014 |
20150197866 | METHOD FOR GENERATING OXYGEN AND WATER ELECTROLYSIS DEVICE - The present invention provides a method for efficiently generating oxygen by electrolyzing water using a copper delafossite compound as an anode. First, in the present invention, a water electrolysis device is prepared. The water electrolysis device comprises a container, a power supply, an anode, a cathode; and an aqueous electrolytic solution. The anode and the cathode are in contact with the aqueous electrolytic solution. The anode has a copper cobalt delafossite compound represented by a chemical formula CuCoO | 07-16-2015 |