Abstract: A reformer of the present disclosure includes a reformer body having a cylindrical shape that carries out a reforming reaction by a raw fuel gas and water supplied thereto, the reformer body including therein a vaporization portion which generates steam and a reforming portion which reacts the steam generated in the vaporization portion with the raw fuel gas to generate a reformed gas, at least one of a convex portion and a rough portion having a higher degree of surface roughness than that of other portions, being disposed on at least one of an inner circumferential surface and an outer circumferential surface of the reformer body.

Abstract: An initial introduction control part introduces an aqueous solution containing molybdenum 99 and technetium 99m, and an organic solvent being capable of dissolving the technetium 99m into an extraction tank. A micro-mixing control part micro-mixes the aqueous solution and the organic solvent by heating and stirring a mixed solution of the aqueous solution and the organic solvent introduced into the extraction tank with a heater, while applying ultrasonic to the mixed solution. A separation control part separates the mixed solution micro-mixed into two phases of aqueous solution and an organic solvent. A taking-out introduction control part passes the organic solvent separated into two phases through an adsorption column be capable of adsorbing molybdenum 99 and introduces the organic solvent into an evaporation elution tank.

Abstract: An initial introduction control part introduces an aqueous solution containing molybdenum 99 and technetium 99m, and an organic solvent being capable of dissolving the technetium 99m into an extraction tank. A micro-mixing control part micro-mixes the aqueous solution and the organic solvent by heating and stirring a mixed solution of the aqueous solution and the organic solvent introduced into the extraction tank with a heater, while applying ultrasonic to the mixed solution. A separation control part separates the mixed solution micro-mixed into two phases of aqueous solution and an organic solvent. A taking-out introduction control part passes the organic solvent separated into two phases through an adsorption column be capable of adsorbing molybdenum 99 and introduces the organic solvent into an evaporation elution tank.

Abstract: A reformer of the present disclosure includes a reformer body which has a cylindrical shape and extends horizontally, introducing raw fuel and water to perform a reforming reaction, the reformer body including therein a vaporization portion which generates steam, and a reforming portion which reacts the steam generated in the vaporization portion with raw fuel to generate a reformed gas; a raw fuel introduction pipe which introduces the raw fuel into the reformer body; a water introduction pipe including therein a water passage which introduces water into the reformer body; and a vaporization accelerating portion which is disposed in at least one of the vaporization portion and the water introduction pipe and accelerates vaporization of water in the vaporization portion.

Abstract: 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 a low flow rate. The relationship between a fuel utilization rate of the cell stack and the amount of power generated by the cell stack can be nonlinear.

Abstract: A reformer of the present disclosure includes a reformer body having a cylindrical shape that carries out a reforming reaction by a raw fuel gas and water supplied thereto, the reformer body including therein a vaporization portion which generates steam and a reforming portion which reacts the steam generated in the vaporization portion with the raw fuel gas to generate a reformed gas, at least one of a convex portion and a rough portion having a higher degree of surface roughness than that of other portions, being disposed on at least one of an inner circumferential surface and an outer circumferential surface of the reformer body.

Abstract: A reformer of the present disclosure includes a reformer body which has a cylindrical shape and extends horizontally, introducing raw fuel and water to perform a reforming reaction, the reformer body including therein a vaporization portion which generates steam, and a reforming portion which reacts the steam generated in the vaporization portion with raw fuel to generate a reformed gas; a raw fuel introduction pipe which introduces the raw fuel into the reformer body; a water introduction pipe including therein a water passage which introduces water into the reformer body; and a vaporization accelerating portion which is disposed in at least one of the vaporization portion and the water introduction pipe and accelerates vaporization of water in the vaporization portion.

Abstract: 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 a low flow rate. The relationship between a fuel utilization rate of the cell stack and the amount of power generated by the cell stack can be nonlinear.

Abstract: 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.

Abstract: A cell unit includes a cell stack, two manifolds. The cell stack includes cells. Each cell has a elliptical columnar shape. The each cell includes an inner electrode layer, a solid oxide solid electrolyte layer, an outer electrode layer, a first portion, a second portion, a middle portion and a distribution hole. The solid oxide solid electrolyte layer is on the inner electrode layer. The outer electrode layer is on the solid oxide solid electrolyte layer. The first portion is at one end of the each cell in the length direction of the cells. The second portion is at the other end of the each cell in the length direction. The middle portion is located between the first portion and the second portion. The distribution hole passes through from the first portion to the second portion. A first manifold fixes the first portions. A second manifold fixes the second portions.

Abstract: [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. [Solution] A cell stack device 1 includes a cell stack 2 that includes a plurality of fuel cells 3 electrically connected to one another and arranged, the fuel cells 3 that each includes a gas channel through which a reactant gas flows. In the cell stack device 1, the fuel cells 3 of the cell stack 2 are provided in the form of fuel cell groups that each include an arbitrary number of the fuel cells 3. In the cell stack device 1, the fuel cell groups are arranged such that average pressure loss values of the fuel cells 3 of the fuel cell groups increase sequentially from a central portion to an end portion side in a fuel cell 3 arrangement direction. Thus, the power generation efficiency of the cell stack device 1 can be improved.

Abstract: A hybrid device includes an electrolysis cell stack device, a fuel cell stack device comprising and a vaporizer. The electrolysis cell stack device includes an electrolysis cell stack including a plurality of electrolysis cells that generate a hydrogen-containing gas from a water vapor-containing gas. Each electrolysis cell includes a first electrolysis cell gas-flow passage extending lengthwise from a first end to a second end of the each electrolysis cell. The fuel cell stack device includes a fuel cell stack including a plurality of fuel cells. Each fuel cell includes a fuel cell gas-flow passage extending lengthwise from a first end to a second end of the each fuel cell. The vaporizer is disposed near the fuel cell stack for generating the water vapor-containing gas to be supplied to the electrolysis cell stack device. At least a portion of the hydrogen-containing gas is supplied to the fuel cell stack device.

Abstract: Problem: To provide a cell unit, a cell stack device, a cell unit device and a module. Resolution means: A cell unit (1) according to one embodiment of the present invention is characterized by comprising: a cell stack (7) comprising a plurality of cells (2), each of which has a columnar shape and has an inner electrode layer (9), a solid electrolyte layer (10) of a solid oxide, and an outer electrode layer (11), while having a distribution hole (13) that penetrates the cell from one end to the other end in the longitudinal direction; a first manifold (3) for fixing one end parts of the plurality of cells (2) and supplying water vapor to the distribution holes (13); and a second manifold (5) for fixing the other end parts of the plurality of cells (2) and recovering a gas that is discharged from the distribution holes (13).

Abstract: [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. [Solution] A cell stack device 1 includes a cell stack 2 that includes a plurality of fuel cells 3 electrically connected to one another and arranged, the fuel cells 3 that each includes a gas channel through which a reactant gas flows. In the cell stack device 1, the fuel cells 3 of the cell stack 2 are provided in the form of fuel cell groups that each include an arbitrary number of the fuel cells 3. In the cell stack device 1, the fuel cell groups are arranged such that average pressure loss values of the fuel cells 3 of the fuel cell groups increase sequentially from a central portion to an end portion side in a fuel cell 3 arrangement direction. Thus, the power generation efficiency of the cell stack device 1 can be improved.

Abstract: Method of operating a fuel cell apparatus in which a reforming reaction in the reforming portion is selected by a controller at the starting time of the apparatus by comparing a first starting temperature of a reforming portion to a temperature T1 at which steam reforming can be performed and comparing a second starting temperature of a vaporizing portion to a temperature T2 at which a predetermined amount of steam can be generated by steam reforming. A reforming reaction starting with an autothermal reforming reaction is performed when the first starting temperature is not lower than T1 and the second starting temperature is lower than T2.

Abstract: Method of operating a fuel cell apparatus in which a reforming reaction in the reforming portion is selected by a controller at the starting time of the apparatus by comparing a first starting temperature of a reforming portion to a temperature T1 at which steam reforming can be performed and comparing a second starting temperature of a vaporizing portion to a temperature T2 at which a predetermined amount of steam can be generated by steam reforming. A reforming reaction starting with an autothermal reforming reaction is performed when the first starting temperature is not lower than T1 and the second starting temperature is lower than T2.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.