Patent application number | Description | Published |
20140023946 | SOLID OXIDE FUEL CELL DEVICE - To provide a fuel cell device capable of extending the years of service life of a reformer by suppressing thermal runaways. The present invention is a solid oxide fuel cell device, including a fuel cell module having fuel cell units; a reformer disposed above the fuel cell units, for producing hydrogen by a partial oxidation reforming reaction and a steam reforming reaction; a vaporizing chamber disposed adjacent to the reformer; a combustion chamber for heating the vaporization chamber; a water supply device; an electrical generation oxidant gas supply device; and a controller for raising the fuel cell units to a temperature at which electrical generation is possible; whereby over the entire period of the startup step, the reforming oxidant gas supply device and water supply device are controlled so that partial oxidation reforming reactions do not occur independently in the reformer. | 01-23-2014 |
20140023947 | SOLID OXIDE FUEL CELL DEVICE - To provide a fuel cell device capable of extending the years of service life of a reformer by suppressing thermal runaways. The present invention is a solid oxide fuel cell device, including a fuel cell module having multiple fuel cell units; a reformer disposed above the fuel cell units, for producing hydrogen by a partial oxidation reforming reaction and a steam reforming reaction; a vaporizing chamber disposed adjacent to the reformer; a combustion chamber for heating the vaporization chamber; a water supply device; a supply device for oxidant gas for electrical generation; and a controller for raising the fuel cell unit to a temperature at which electrical generation is possible; wherein fuel electrodes in each individual fuel cell unit are constituted to act as catalysts for a shift reaction, and the controller executes only the ATR step and SR step in the reformer. | 01-23-2014 |
20140080033 | SOLID OXIDE FUEL CELL AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each sequentially laminated on the surface of a porous support. The porous support contains forsterite, and has a Ca element content of 0.2 mass % or less in terms of CaO in a surface region at the inner electrode side. | 03-20-2014 |
20140080034 | SOLID OXIDE FUEL CELL AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and further has a calcium element (Ca) content of more than 0.2 mass % but not more than 2 mass % in terms of CaO. | 03-20-2014 |
20140093800 | SOLID OXIDE FUEL CELL DEVICE - The present invention is a solid oxide fuel cell | 04-03-2014 |
20140093809 | SOLID OXIDE FUEL CELL - An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing Ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and has a Mg/Si molar ratio of 1.90 to 2.2 both inclusive, and an A-to-B ratio (A/B) of 0.0% to 9.0% both inclusive, where A denotes a maximum peak height which appears at a diffraction angle 2θ=26.5° to 27.0° and B denotes a maximum peak height which appears at 36.5° to 37.0° in a powder X-ray diffraction pattern obtained by using Cu—Kα radiation. | 04-03-2014 |
20140295317 | SOLID OXIDE FUEL CELL AND METHOD FOR PRODUCING THE SAME - Provided is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support comprises forsterite and a nickel element. Ni and/or NiO fine particles are exposed on a surface of a sintered compact of the forsterite constituting the porous support. | 10-02-2014 |
20140295318 | SOLID OXIDE FUEL CELL AND METHOD FOR PRODUCING THE SAME - Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and further has a strontium element concentration of 0.02 mass % to 1 mass % both inclusive in terms of SrO based on the mass of the forsterite. | 10-02-2014 |