Patent application number | Description | Published |
20130045429 | Solid Oxide Fuel Cell System - A solid oxide fuel cell system includes a fuel cell provided with a reforming part, a gas-water supply system for supplying a plurality of kinds of gases and water to the reforming part, and a water tank for storing water. The gas-water supply system includes a reforming gas supply part for supplying a reforming gas, an oxygen-containing has supply part for supplying an oxygen-containing gas, and a water supply part for supplying water from the water tank. A control unit is provided for controlling whether, based on a signal from a stored water volume sensor which detects the volume of water in the water tank for carrying out a reforming reaction in the reforming part, switching between an oxygen-containing gas supply part and the water supply part is carried out, or both the supply parts are used in combination. | 02-21-2013 |
20130273447 | Method for Supplying Fuel Gas to a Fuel Cell - A solid oxide fuel cell system includes a fuel cell provided with a reforming part, a gas-water supply system for supplying a plurality of kinds of gases and water to the reforming part, and a water tank for storing water. The gas-water supply system includes a reforming gas supply part for supplying a reforming gas, an oxygen-containing has supply part for supplying an oxygen-containing gas, and a water supply part for supplying water from the water tank. A control unit is provided for controlling whether, based on a signal from a stored water volume sensor which detects the volume of water in the water tank for carrying out a reforming reaction in the reforming part, switching between an oxygen-containing gas supply part and the water supply part is carried out, or both the supply parts are used in combination. | 10-17-2013 |
Patent application number | Description | Published |
20090117425 | Fuel Cell Assembly and Electricity Generation Unit Used in Same - A fuel cell assembly has a housing defining an electricity generation/combustion chamber, and electricity generation/combustion means disposed within the housing. A fuel gas and an oxygen-containing gas are supplied to the electricity generation/combustion means, and a combustion gas formed within the electricity generation/combustion chamber is discharged from the electricity generation/combustion chamber. A heat exchanger having a first channel and a second channel is disposed on at least one surface of the housing, the combustion gas is discharged from the interior of the electricity generation/combustion chamber through the first channel of the heat exchanger, and one of the oxygen-containing gas and the fuel gas is supplied to the electricity generation/combustion means through the second channel of the heat exchanger. A plurality of electricity generation units are arranged in parallel within the housing, and each of the electricity generation units includes a cell stack constituting the electricity generation/combustion means. | 05-07-2009 |
20090130496 | Fuel Cell Assembly and Electricity Generation Unit Used in Same - A fuel cell assembly has a housing defining an electricity generation/combustion chamber, and electricity generation/combustion means disposed within the housing. A fuel gas and an oxygen-containing gas are supplied to the electricity generation/combustion means, and a combustion gas formed within the electricity generation/combustion chamber is discharged from the electricity generation/combustion chamber. A heat exchanger having a first channel and a second channel is disposed on at least one surface of the housing, the combustion gas is discharged from the interior of the electricity generation/combustion chamber through the first channel of the heat exchanger, and one of the oxygen-containing gas and the fuel gas is supplied to the electricity generation/combustion means through the second channel of the heat exchanger. A plurality of electricity generation units are arranged in parallel within the housing, and each of the electricity generation units includes a cell stack constituting the electricity generation/combustion means. | 05-21-2009 |
20100167133 | SOLID OXIDE FUEL CELL SYSTEM - To provide a solid oxide fuel cell system that can be controlled while taking the influence of the volume of water kept in a water tank into consideration and is fully water self-sustainable. [MEANS FOR SOLVING PROBLEMS] The solid oxide fuel cell system comprises a fuel cell ( | 07-01-2010 |
20110053017 | Fuel Cell Apparatus - A fuel cell apparatus comprises a cell stack, a reforming portion (reforming catalyst), a vaporizing portion, a reforming target gas supply, an oxygen-containing gas supply, a water supply, and a controller. The cell stack comprises a plurality of fuel cells electrically connected in series in a housing case. The reforming portion is disposed over the cell stack and is to be exposed to a gas produced by burning a fuel gas from the fuel cells. The reforming catalyst can perform partial oxidation reforming, autothermal reforming and steam reforming as a reforming reaction. The vaporizing portion generates steam to be supplied to the reforming portion. The reforming target gas supply supplies a reforming target gas to the reforming portion. The oxygen gas supply supplies an oxygen gas to the reforming portion. The water supply supplies water to the vaporizing portion. The controller controls the reforming reaction in the reforming portion. | 03-03-2011 |
Patent application number | Description | Published |
20110053019 | Fuel Cell Module and Fuel Cell Apparatus - A fuel cell module and a fuel cell apparatus capable of efficient start-up are provided. A fuel cell module includes a housing; a cell stack placed inside the housing, which includes a plurality of pillar-shaped solid oxide fuel cells formed with an internally-mounted gas flow passage that are arranged in an upright state and are electrically connected with each other; a manifold placed inside the housing, configured to secure lower ends of the solid oxide fuel cells and supply a fuel gas to the solid oxide fuel cells; a reformer placed inside the housing, which is disposed above the solid oxide fuel cells, configured to produce a fuel gas which is supplied to the solid oxide fuel cells; a vaporizer disposed on an exterior of the housing, configured to vaporize a raw fuel and supply it to the reformer; and a heat source configured to raise a temperature of the vaporizer. | 03-03-2011 |
20120148933 | FUEL CELL DEVICE - A fuel cell device is improved for operating conditions during a partial load operation. The fuel cell device comprises a cell stack formed by electrically connecting fuel cells for generating power by fuel gas and oxygen-containing gas; a fuel gas supply unit for supplying the fuel gas to the fuel cells; and a power adjustment unit for adjusting the amount of current that is supplied to an external load and a controller for controlling the fuel gas supply unit and the power adjustment unit. The controller adjusts, during the partial load operation of the fuel cell device and when the fuel gas supplied to the cell stack is at low flow rate. The a relationship between a fuel utilization rate of the cell stack and the amount of power generated by the cell stack can be nonlinear. | 06-14-2012 |
20120183876 | FUEL CELL DEVICE - A fuel cell device and a method of operating the same, the fuel cell device being provided with a container; a cell stack stored inside the container, the cell stack comprising a plurality of fuel cells operable to generate electric power; a gas supply unit to supply oxygen-containing gas to the fuel cells; a supplying-power conditioning unit operable to adjust the quantity of generated electric power in the cell stack; a thermal sensor outside the container, operable to measure a measured temperature of the oxygen-containing gas supplied to the fuel cells; and a control unit operable to control the gas supply unit and the power conditioning unit such an amount of oxygen-containing gas supplied from the gas supply unit is increased if the measured temperature is higher than a predetermined temperature. | 07-19-2012 |
20150030956 | CELL STACK DEVICE, FUEL CELL MODULE, FUEL CELL DEVICE, AND METHOD OF FABRICATING CELL STACK DEVICE - [Object] To provide a cell stack device, the power generation efficiency of which is improved, and a fuel cell module and a fuel cell device that include the cell stack device. | 01-29-2015 |