An anode separator for use in an electrochemical hydrogen pump includes a first anode gas flow channel having a serpentine shape, a second anode gas flow channel having a serpentine shape, and an anode gas discharge manifold into which an anode gas discharged from each of the first anode gas flow channel and the second anode gas flow channel flow. The first anode gas flow channel and the second anode gas flow channel are provided in a first region and a second region, respectively, that are divided from each other by a predetermined line parallel to a direction of the anode gas that flows into the anode gas discharge manifold.

A fuel cell system is provided and the fuel cell system includes: a fuel cell; a fuel processing unit configured to process a raw fuel to produce a fuel gas for the fuel cell; an oxidant gas heating unit configured to heat an oxidant gas for the fuel cell; a combustor configured to combust the raw fuel to produce a combustion gas for use in heating the fuel processing unit and the oxidant gas heating unit; a supply control unit configured to, during a warm-up of the fuel cell, control supply of the raw fuel to the fuel processing unit and the combustor; and a power generation control unit configured to control a power generation state during the warm-up of the fuel cell. When the fuel cell has reached a power generation available temperature, the power generation control unit is configured to cause the fuel cell to perform power generation, and the supply control unit is configured to supply the raw fuel to both the fuel processing unit and the combustor.

A fuel cell system is provided and the fuel cell system includes: a fuel cell; a fuel processing unit configured to process a raw fuel to produce a fuel gas for the fuel cell; an oxidant gas heating unit configured to heat an oxidant gas for the fuel cell; a combustor configured to combust the raw fuel to produce a combustion gas for use in heating the fuel processing unit and the oxidant gas heating unit; a supply control unit configured to, during a warm-up of the fuel cell, control supply of the raw fuel to the fuel processing unit and the combustor; and a power generation control unit configured to control a power generation state during the warm-up of the fuel cell. When the fuel cell has reached a power generation available temperature, the power generation control unit is configured to cause the fuel cell to perform power generation, and the supply control unit is configured to supply the raw fuel to both the fuel processing unit and the combustor.

A fuel cell system includes a fuel cell configured to generate electricity by receiving a working gas, a combustor configured to combust an off-gas discharged from the fuel cell, a heat exchange device configured to supply the working gas to the fuel cell, and perform heat exchange with a discharged gas from the combustor, and a manifold disposed between the fuel cell and the combustor, and between the fuel cell and the heat exchange device. The manifold includes an off-gas flow path along which the off-gas discharged from the fuel cell is guided to the combustor and a discharged gas flow path along which the discharged gas discharged from the combustor is guided to the heat exchange device.

Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.

Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.

A system of utilizing carbon dioxide comprises a carbon dioxide capturing device for capturing carbon dioxide, an electrochemical reaction device for producing synthetic gas by reducing the carbon dioxide captured by the carbon dioxide capturing device, a hydrogen carrier manufacturing device for manufacturing a hydrogen carrier material by using the synthetic gas produced by the electrochemical reaction device, a dehydrogenation device for producing hydrogen from the hydrogen carrier material manufactured by the hydrogen carrier manufacturing device, and a hydrogen utilization device for utilizing hydrogen produced by the dehydrogenation device, wherein the dehydrogenation device further produces carbon dioxide from the hydrogen carrier material and supplies the carbon dioxide to the carbon dioxide capturing device.

According to an embodiment of the present disclosure, a power management system (e.g., a power management for a fuel cell or a fuel cell system) includes a fuel cell to generate an electrical power output; a metastable hydrogen carrier to supply hydrogen to the fuel cell; a heater coupled with the metastable hydrogen carrier; and a controller coupled to the heater to control a rate of hydrogen release from the metastable hydrogen carrier. A method of operating a fuel cell system includes controlling an electrical power input to a heater utilizing a controller; heating a metastable hydrogen carrier to a temperature by the heater and to generate hydrogen to feed a fuel cell. The heater is coupled to the controller, and the controller controls the electrical power input to the heater according to a relationship between a rate of hydrogen release and the temperature and a composition of the metastable hydrogen carrier.

According to an embodiment of the present disclosure, a power management system (e.g., a power management for a fuel cell or a fuel cell system) includes a fuel cell to generate an electrical power output; a metastable hydrogen carrier to supply hydrogen to the fuel cell; a heater coupled with the metastable hydrogen carrier; and a controller coupled to the heater to control a rate of hydrogen release from the metastable hydrogen carrier. A method of operating a fuel cell system includes controlling an electrical power input to a heater utilizing a controller; heating a metastable hydrogen carrier to a temperature by the heater and to generate hydrogen to feed a fuel cell. The heater is coupled to the controller, and the controller controls the electrical power input to the heater according to a relationship between a rate of hydrogen release and the temperature and a composition of the metastable hydrogen carrier.

A biogas-utilizing methanation system includes: a solid oxide fuel cell using a to-be-treated gas as a fuel gas; a hydrogen production device capable of producing hydrogen by using power of a renewable energy power generation device; and a methanation device capable of methanating carbon dioxide in the system with the hydrogen produced by the hydrogen production device. The carbon dioxide in the system can be stored in a storage device on the basis of the supply amount of the to-be-treated gas or the power of the renewable energy power generation device.