Abstract: To provide a method for manufacturing a solid oxide fuel cell apparatus. The present invention is a method for manufacturing a fuel cell apparatus, including an adhesive application step for adhering ceramic adhesive to joining portions so as to constitute an airtight flow path for guiding fuel, and a drying and hardening step for drying and hardening ceramic adhesive, whereby the drying and hardening step has: a workable hardening step for drying the ceramic adhesive at a predetermined first temperature to a state whereby the next manufacturing step can be implemented, and a solvent elimination and hardening step further hardens ceramic adhesive hardened in each of the workable hardening steps by raising it to a second temperature higher than the first temperature and approximately equal to the temperature of the fuel cells during an electrical generation operation.

Abstract: Provided is a solid oxide fuel cell stack including: a porous insulating support having a gas permeability and provided with a gas flow path therein; and a plurality of power generating elements which are provided on the insulating support and each of which includes an inner electrode, an electrolyte.

Abstract: Provided is a solid oxide fuel cell unit comprising an insulating support, and a power generation element comprising, at least, a fuel electrode, an electrolyte and an air electrode, which are sequentially laminated one another, the power generation element being provided on the insulating support, wherein an exposed insulating support portion, an exposed fuel electrode portion, and an exposed electrolyte portion are provided in an fuel electrode cell end portion.

Abstract: The present invention is a manufacturing method for a solid oxide fuel cell apparatus in which multiple fuel cells are adhered and affixed to a first affixing member attached within a fuel cell module, the method includes steps of: inserting one end portion of each fuel cell into respective insertion holes provided in a first affixing member; respectively positioning one end portion of each fuel cell inserted into each insertion hole relative to a fuel cell module; respectively positioning the other end portion of each fuel cell at a predetermined position relative to the fuel cell module; applying ceramic adhesive onto the first affixing member into which each of the fuel cells is inserted; and hardening the applied ceramic adhesive and affixing each of the fuel cells to the first affixing member.

Abstract: To provide a solid oxide fuel cell system in which fuel cells within a fuel cell module are connected in an airtight manner using ceramic adhesive. the invention is a solid oxide fuel cell system for generating electricity by reacting fuel and oxidant gas, including: a fuel cell module containing multiple fuel cells, and a fuel gas dispersion chamber for distributing and supplying fuel to each of the fuel cells, whereby each of the fuel cells is affixed in an airtight manner using ceramic adhesive to an affixing member forming the fuel gas dispersion chamber, and a gas leak suppression portion for suppressing the occurrence of cracks caused by shrinkage when a ceramic adhesive hardens is formed by the ceramic adhesive layer around the fuel cells.

Abstract: The present invention is a method for manufacturing a solid oxide fuel cell apparatus for generating electricity by supplying fuel and oxidant gas to fuel cells housed in a fuel cell module, comprising: an adhesive application step for applying ceramic adhesive to the joint portions of constituent members so that the flow path carrying fuel or oxidant gas inside the fuel cell module are formed in an airtight manner; a workable hardening step for hardening the applied ceramic adhesive to a state capable of implementing the next manufacturing process; and a solvent elimination and hardening step wherein, after multiple repetitions of the adhesive application step and the workable hardening step, ceramic adhesive hardened in the workable hardening steps is dried to a state capable of withstanding temperatures during electrical generation.

Abstract: 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.

Abstract: 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.

Abstract: 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.