Abstract: A solid oxide fuel cell power generator according to the invention includes a plurality of solid oxide fuel cells C having a cathode electrode layer 2 and an anode electrode layer 3 formed on both sides of a solid electrolytic substrate 1, and the solid oxide fuel cells C are disposed in such a manner that the respective anode electrode layers 3 of the adjacent solid oxide fuel cells C are opposed to each other. A first electric conductor 4 having a gas permeability is interposed between the opposed anode electrode layers 3 in contact with the anode electrode layers 3. The first electric conductor 4 has a first extended portion 41 which is extended beyond each of the anode electrode layers 3, and serves as a collector of the anode electrode layer 3.

Abstract: A solid oxide fuel cell power generator according to the invention includes a plurality of solid oxide fuel cells C having a cathode electrode layer 2 and an anode electrode layer 3 formed on both sides of a solid electrolytic substrate 1, the solid oxide fuel cell C is interposed between a first electric conductor 1 having gas permeability and disposed in contact with the cathode electrode layer 2 and a second electric conductor 42 having gas permeability and disposed in contact with the anode electrode layer 3 where the first electric conductor 41 and the second electric conductor 42 are assembled with an insulator 5, and the first electric conductor 41 and the second electric conductor 42 are functioning as collectors.

Abstract: A cell of a solid electrolyte direct-flame fuel cell generates power in a state that the cell is placed inside or in the vicinity of a flame (16). The cell is configured in such a manner that a cathode layer (14) is formed on one surface of a solid electrolyte layer (10) and an anode layer (12) is formed on the other surface. The cell is characterized by being curved so that the anode layer side has a concave shape and the cathode layer side has a convex shape.

Abstract: A direct-flame fuel cell according to the invention has a cell in which a solid electrolyte 1 is sandwiched between an anode 2 and a cathode 3. The anode 2 contains one or more kinds of alkaline metal compounds or alkaline earth metal compounds which are effective in suppressing soot generation due to exposure to a flame. Where the anode 2 includes two or more layers 2a and 2b, the one or more kinds of alkaline metal compounds or alkaline earth metal compounds are contained in the outermost layer 2b.

Abstract: A collector for a fuel-battery cell stack, which is formed by a mesh-like metallic material, has a basic grid structure with 100 to 500 meshes, and includes a surface concavo-convex pattern having a surface pattern pitch A from one peak p to a next peak p? which is greater than a basic pitch P0 forming the basic grid structure, where a size of direct flame type fuel battery module can be reduced by laminating a plurality of cells in a vertical direction with this collector interposed in-between.

Abstract: A solid electrolyte fuel cell comprising a cathode layer 12 formed on one side of a solid electrolyte layer 10 and an anode layer 18 formed on the other side of the solid electrolyte layer 10, wherein the cathode layer 16 comprises a first cathode layer 12 formed in contact with the solid electrolyte layer and a second cathode layer 14 formed covering the first cathode layer 12, the second cathode layer 14 is formed having a higher porosity than the first cathode layer 12 and the first cathode layer 12 is divided into a plurality of island-shaped portions 12a, 12a . . . .

Abstract: The electric power generation apparatus of the invention has a solid oxide fuel cell C3 comprising a cathode electrode layer 2 formed on the outer side of a hollow solid electrolyte substrate 1, an anode electrode layer 3 formed on the inner side of the substrate and an inner space defined by the anode electrode layer and a gas burner 4 for generating flame f provided at the lower end of the inner space. A metallic mesh 5 is disposed at the lower part of the inner space to retain a solid fuel F introduced. The solid fuel F is put into gas phase by flame F as a heat source to produce a fuel seed. The fuel seed is supplied directly into the anode electrode layer surrounding the inner space.

Abstract: A solid electrolyte fuel cell including a cathode layer formed on one surface of a solid electrolyte layer and an anode layer formed on the other surface of the solid electrolyte layer, wherein the cathode layer is a multi-layer structure including at least two layers, the outermost layer constituting the multi-layer structure is a porous layer obtained by adding a pore-forming material which is gasified at the firing temperature for the formation of the cathode layer during the formation of the cathode layer by firing and has a mesh metal or wire metal for current collection embedded therein or fixed thereto and the innermost layer disposed in contact with the solid electrolyte layer is a dense layer obtained by firing free of pore-forming material during the formation of the cathode layer by firing.

Abstract: The solid oxide fuel cell electric power generation apparatus comprises a fuel cell pair having solid oxide fuel cells C1 and C2 each comprising a flat solid electrolyte substrate 1 having a cathode electrode layer 2 and an anode electrode layer 3 formed thereon with a solid fuel F provided interposed between the anode electrode layer of the solid oxide fuel cell C1 and the anode electrode layer of the solid oxide fuel cell C2 and a heat supplying device for heating the fuel cell pair. When the fuel cell pair is heated, the solid fuel is directly put into gas phase as a fuel seed that is then supplied into the anode electrode layer to cause the solid oxide fuel cell to generate electricity.

Abstract: The solid oxide fuel cell includes a solid electrolyte substrate 11 formed by a fired electrolyte powder, a cathode electrode layer 12 formed on one side of the electrolyte substrate and an anode electrode layer 13 formed on the other side of the electrolyte substrate. Metallic meshes M1, M2 are provided on the cathode electrode layer side and the anode electrode layer side of the electrolyte substrate, respectively. A metallic mesh is plane-pressed onto the both sides of an electrolyte sheet having a predetermined shape prepared from an electrolyte green sheet. A cathode electrode paste layer is formed on one side of the electrolyte sheet while an anode electrode paste layer is formed on the other side of the electrolyte sheet. The electrolyte sheet, the cathode electrode paste layer and the anode electrode paste layer are then integrally fired. When the firing is terminated, a solid oxide fuel cell is completed.

Abstract: A solid oxide fuel cell C2 has a laminate including a solid electrolyte substrate, a cathode electrode layer 2 formed on one side of the substrate and an anode electrode layer formed on the other side of the substrate. A metallic mesh M is formed all over the solid electrolyte substrate on one or both of the cathode electrode side and the anode electrode side. The laminate includes a plurality of small fuel cell divisions C2n which are electrically connected to each other with the metallic mesh. The laminate having an electrolyte sheet of green sheet, a cathode electrode paste layer, an anode electrode paste layer and a metallic mesh laminated on each other is sintered to undergo cracking, thereby forming a plurality of small fuel cell portions.

Abstract: In a direct-flame-exposure-type fuel-cell power generating apparatus according to the present invention, a flame produced by burning a mixture gas of a fuel gas and air is supplied to an anode electrode layer, and the supply condition of the flame is adjusted in a mixture gas generating device. The temperature rising or falling speed of a solid oxide fuel cell can be adjusted by adjusting the mixture ratio and thereby changing the condition of the flame when starting or stopping the operation of the fuel cell power generation. The flame supply condition can also be adjusted by changing the spacing between the solid oxide fuel cell and a gas-fired burner.

Abstract: A solid oxide fuel cell includes: a solid electrolyte; and electrodes on both surfaces of the solid electrolyte, wherein at least one of joint surfaces where the solid electrolyte and the electrodes are in contact with each other is a roughened surface having at least two different types of surface roughness.

Abstract: The present invention relates to a power generating apparatus that generates electric power, using a solid oxide fuel cell, by directly exposing the fuel cell to a premixed gas combustion flame formed in a gas-fired kichen range. The solid oxide fuel cell is supported by lead wires fixed to a mounting base so that the fuel cell faces a burner located in the center of the gas-fired stove. An anode electrode layer is directly exposed to the flame produced by the burner, and is thus kept in a fuel-rich condition, while a cathode electrode layer is kept in an air-rich condition. An output of the fuel cell is taken out through the lead wires.

Abstract: The present invention relates to a power generating apparatus that generates electric power using a solid oxide fuel cell by directly exposing the fuel cell to a premixed gas combustion flame formed in an infrared gas space heater. The solid oxide fuel cell is built into an infrared radiator in such a manner as to face a burner of the gas space heater, and is supported at a prescribed angle of tilt. An anode electrode layer, which is directly exposed to the flame produced by the burner, is kept in a fuel-rich condition, while a cathode electrode layer is exposed to the atmosphere and thus kept in an air-rich condition.

Abstract: A solid oxide fuel cell that directly utilizes a flame according to the present invention has a solid oxide substrate, a cathode electrode layer formed on one surface, and an anode electrode layer 3 formed on the opposite surface and a platinum mesh is embedded in the entire surfaces of the solid cathode electrode layer and the anode electrode layer. An oxide layer covers the entire periphery of the solid oxide substrate from the end part of the cathode electrode layer to the end part of the anode electrode layer. Due to the platinum mesh and the oxide layer, thermal shock due to rapid heating by a flame is alleviated and cracking in the solid oxide substrate is prevented from occurring.

Abstract: A fuel cell electrode material comprising a porous body, and having an adsorption ability of the order of 0.1 to 10×10?6 mol/m2 for each of methane, carbon monoxide, and hydrogen gases when the adsorption ability is expressed by the number of adsorbed molecules (mol)/the unit area (m2) of the porous body, and a solid oxide fuel cell battery comprising a fuel cell which comprises a solid electrolyte base, a fuel electrode formed on a fuel compartment side of the base, and an air electrode formed on an air compartment side of the base, wherein the fuel electrode is formed from the electrode material of the present invention.

Abstract: A fuel cell electrode material comprising a cermet which comprises metal particles consisting of cobalt and nickel and electrolyte particles consisting of solid oxides, wherein the metal particles comprise 20 to 90 mol % cobalt and the residue of nickel in terms of CoO and NiO, respectively, and a solid oxide fuel cell battery comprising a fuel cell which comprises a solid electrolyte base, a fuel electrode formed on a fuel compartment side of the base, and an air electrode formed on an air compartment side of the base, wherein the fuel electrode is formed from the electrode material of the present invention.

Abstract: A solid oxide fuel cell C including a solid oxide fuel cell having a planar solid oxide substrate, a cathode electrode layer formed on one surface of the substrate, and an anode electrode layer formed on a surface opposite the one surface, is disposed so that the anode electrode layer opposes a catalytically-oxidizing member 13 of a heating appliance. Fuel supplied from a fuel storage container 10 is subjected to flameless combustion in the catalytically-oxidizing member by catalytic oxidation. The heat is conducted to the fuel cell C from the catalytically-oxidizing member, thereby maintaining the fuel cell at its operating temperature. Simultaneously, produced oxidation fuel components of the fuel are supplied to the anode electrode layer; and air is supplied to the cathode electrode layer. Hence, the fuel cell generates electric power.

Abstract: The present invention relates to a power generating apparatus using a solid oxide fuel cell. A plurality of solid oxide fuel cells, each comprising a solid oxide substrate, a porous cathode electrode layer, and a porous anode electrode layer, are stacked vertically and housed inside a walled structure. A mixture gas is supplied to each solid oxide fuel cell from above. An exhaust gas discharged from each fuel cell is burned in a space below each fuel cell, producing a flame. Each fuel cell is heated by this flame.