The present invention aims to reduce a failure in a fuel cell module and reduce manufacturing costs by specifying and taking countermeasures against cells in short-circuit failure from among fuel cells manufactured on a substrate by using a thin-film deposition process. In a fuel cell array according to the present invention, each fuel cell includes a solid electrolyte layer between a first electrode layer and a second electrode layer. A first wiring is connected to the second electrode layer, and a second wiring is connected to the first electrode layer through a connection element. The connection element is formed by sandwiching a conductive layer between two electrodes (refer to FIG. 8).

A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr.sub.1-x1M.sup.1.sub.x1O.sub.3 (M.sup.1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0<x.sub.1<1 holds) and a second compound having a composition represented by BaZr.sub.1-x2Tm.sub.x2O.sub.3 (0<x.sub.2<0.3 holds).

A cold-hot component support structure, comprising a base and a connected support connected on the base by a bolt, wherein a bolt mounting hole is provided on the connected support, and an upper end face and a lower end face of the connected support are provided with an upper heat insulation block and a lower heat insulation block respectively. The lower heat insulation block is provided with a limit hole connecting the bolt mounting hole, and the upper heat insulation block is extended with a limit sleeve inserted in the limit hole. The supported support is clamped between the upper heat insulation block and the lower heat insulation block by an insertion structure between the upper heat insulation block and the lower heat insulation block, and an inner wall of a bolt hole on the connected support is insulated by the limit sleeve, so as to realize effective heat insulation of the connected support and reduce heat loss of the connected support. The structure can form part of a solid oxide fuel cell (SOFC) heat insulation support structure.

A cell stack device includes a cell stack and an end current collector. The cell stack includes a plurality of cells arrayed therein. The end current collector is located in an end portion of the cell stack in an array direction of the plurality of cells. The end current collector includes a surface exposed to an oxidizing atmosphere covered with a covering material including manganese and a surface exposed to a reducing atmosphere covered with a film different from the covering material.

The purpose of the present invention is to provide: fuel cell system that can further stabilize an operation of the system; and control method thereof. Fuel cell system comprises: fuel cell; a turbocharger; oxidizing gas supply line that supplies, to cathode, oxidizing gas compressed by a compressor; a heat exchanger that heats the oxidizing gas of the oxidizing gas supply line by means of exhaust gas discharged from a turbine, and flows the exhaust gas to combustion exhaust gas line; bypass lines each having one end connected to the upstream side of the heat exchanger in the oxidizing gas supply line and bypassing the oxidizing gas; flow rate regulating valves provided in the bypass lines; and a control unit that controls the flow rate regulating valves on the basis of the ambient air temperature, and controls the bypass flow rate of the oxidizing gas.

An assembly includes a solid-oxide stack of the SOEC/SOFC type and a system for clamping the solid-oxide stack. This assembly also comprises one system for the coupling, gastight at high temperature, including a coupling flange to enable a gas inlet and/or outlet tube to pass, at least one clamping screw, provided with a clamping head, and a seal, positioned between said at least one of the top and bottom clamping plates and against the coupling flange.

A system and a method are provided for producing electricity and/or chemicals. The system includes a gasifier, a controller, a solid oxide fuel cell (SOFC) power unit, and a chemical synthesis unit. The gasifier converts a fossil fuel, oxygen, and water into a syngas comprising hydrogen and carbon monoxide. The controller is used to control distribution of the hydrogen into a first portion and a second portion. The solid oxide fuel cell (SOFC) power unit receives the first portion of hydrogen and compressed air or oxygen, and generates electricity using the first portion of hydrogen. The chemical synthesis unit receives the second portion of hydrogen. The second portion of hydrogen is used for chemical synthesis.

A system and a method are provided for producing electricity and/or chemicals. The system includes a gasifier, a controller, a solid oxide fuel cell (SOFC) power unit, and a chemical synthesis unit. The gasifier converts a fossil fuel, oxygen, and water into a syngas comprising hydrogen and carbon monoxide. The controller is used to control distribution of the hydrogen into a first portion and a second portion. The solid oxide fuel cell (SOFC) power unit receives the first portion of hydrogen and compressed air or oxygen, and generates electricity using the first portion of hydrogen. The chemical synthesis unit receives the second portion of hydrogen. The second portion of hydrogen is used for chemical synthesis.

The present disclosure relates to the field of materials, and in particular, to a method for preparing anti-coking Ni-YSZ anode materials for SOFC. The present disclosure provides a method for preparing a SOFC anode material, including: (1) providing the mixed powder of NiO and YSZ; (2) subjecting the mixed powder provided in step (1) to two-phase mutual solid solution treatment; (3) adjusting the particle size of the product obtained in the solid solution treatment in step (2). The SOFC anode material provided by the present disclosure could prepare the SOFC anode with good carbon deposition resistance. The anode material as a whole has the advantages of low cost, good catalytic performance, desirable electronic conductivity and well chemical compatibility with YSZ, etc. The long-term stability of cell performance is strong, and the cell preparation method is also easy to achieve industrialization.

The present disclosure relates to the field of materials, and in particular, to a method for preparing anti-coking Ni-YSZ anode materials for SOFC. The present disclosure provides a method for preparing a SOFC anode material, including: (1) providing the mixed powder of NiO and YSZ; (2) subjecting the mixed powder provided in step (1) to two-phase mutual solid solution treatment; (3) adjusting the particle size of the product obtained in the solid solution treatment in step (2). The SOFC anode material provided by the present disclosure could prepare the SOFC anode with good carbon deposition resistance. The anode material as a whole has the advantages of low cost, good catalytic performance, desirable electronic conductivity and well chemical compatibility with YSZ, etc. The long-term stability of cell performance is strong, and the cell preparation method is also easy to achieve industrialization.