The invention relates to a heat exchanger system for operating a fuel cell stack, comprising: —a first compressor and a second compressor for the cathode gas fed to the fuel cell stack, the second compressor being fluidically downstream of the first compressor; —a turbine, which is mechanically…
Disclosed is a cooling apparatus of a fuel cell vehicle, including an air supply part, an air conditioning part that cools air discharged from the air supply part, and a valve provided at a rear end of the air supply part and that communicates cooled air discharged from the air supply part with a…
A fuel cell system comprising at least one fuel cell and at least one cooling system configured to cool the at least one fuel cell. The at least one cooling system comprises at least one fluid intake, one or more cooling fans located downstream of the at least one fluid intake, and at least one…
A fuel-cell-powered aircraft system has integrated air-cooled fuel cell stacks positioned within an interior space of at least one wing of an aircraft. An airflow path is positioned in contact with at least a heat exchanger of the fuel cell stack. The induced flow of air through the airflow path…
A fuel cell cooling system for a refrigerated vehicle has a first heat exchanger, a second heat exchanger, a coolant pump assembly, a solenoid valve module, and a control unit. The first heat exchanger and the second heat exchanger respectively exchange heat with air outside the refrigerated…
A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air…
The fuel cell system includes a fuel cell including a cell stack configured to have a reforming catalyst for generating hydrogen from hydrocarbon, a first flow path configured to supply a fuel containing hydrocarbon to the cell stack, and a second flow path configured to supply an oxidant gas to…
A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air…
An embodiment fuel cell system includes a fuel cell stack configured to generate electrical energy from electrochemical reactions and a fuel cell enclosure surrounding the fuel cell stack. A high-voltage box is disposed on the fuel cell enclosure and is configured to provide the fuel cell enclosure…
Proposed is an air supply apparatus for a fuel cell. More particularly, proposed is an air supply apparatus for a fuel cell, in which a blower fan for supplying air for cooling a stack and a blower for supplying air for reaction in the fuel cell are separately provided, thereby preventing…
Proposed is an air-cooling type fuel cell. More particularly, proposed is an air-cooling type fuel cell capable of air recirculation, in which air passing through a stack is circulated back toward an inlet of a housing to be used as cooling air for the stack, thereby preventing overcooling of the…
A liquid hydrogen vaporizer for performing heat exchange between liquid hydrogen and helium gas and vaporizing liquid hydrogen, comprising: a lower first column tube which is a fin tube composed of a tube through which liquid hydrogen flows and a fin assembly attached to an outer periphery of the…
A fuel cell system includes: a fuel cell including: an anode, and a cathode configured to output cathode exhaust, wherein: the fuel cell is configured to generate waste heat; a reformer configured to partially reform a feed gas using the waste heat and output a hydrogen-containing stream; a…
The fuel cell system includes a fuel cell including a cell stack configured to have a reforming catalyst for generating hydrogen from hydrocarbon, a first flow path configured to supply a fuel containing hydrocarbon to the cell stack, and a second flow path configured to supply an oxidant gas to…
Provided is an air-cooled fuel cell system, wherein the air-cooled fuel cell system comprises a fuel cell, an oxidant gas system and a cooling gas system; wherein the fuel cell comprises a fuel cell stack comprising stacked unit fuel cells; wherein each of the unit fuel cells comprises a cathode…
An apparatus can include a housing, a plurality of electrochemical devices disposed within the housing, and a heat exchanger disposed within the housing. The heat exchanger can be faced with an oxidant-containing gas outlet surface of at least one of the plurality of electrochemical devices. The…
Aspects of duct systems for use with fuel cells and methods of using the same are disclosed. According to an aspect of the disclosure, a duct system () for cooling fuel cells () via a coolant fluid includes a housing (); a cooling chamber (); an inlet port () configured to receive the coolant into…
A method of operating a fuel cell system includes providing fuel and air to a stack of fuel cells located in a hotbox, operating the stack to generate an anode exhaust and a cathode exhaust, in a startup mode, providing a first amount of the anode exhaust and the cathode exhaust to an anode tail…
A system and method for controlling operation of a fuel cell system, includes determining whether there is a risk of flooding by confirming whether the fuel cell system satisfies a predetermined flooding risk condition, and performing air supercharging by supplying air at a flow rate increased…
A fuel cell system includes: a stack generating electric power using reformed gas; a fuel processing device supplying reformed gas; a first gas passage connecting the stack and the fuel processing device, and carrying the reformed gas; a second gas passage connecting the stack and the fuel…
The invention relates to a fuel cell system () having at least one fuel cell stack (), an air path (), wherein air from the surroundings reach the fuel cell stack () via the air path (), an exhaust gas path (), a fuel line (), wherein fuel is transported to the fuel cell stack () via the fuel line…
An air pressure in fuel cells of an electric power generation system comprising a fuel cell stack (PCS) is raised with a pressurized air cooling system with recirculation to values at least two times greater than typical values for an PCS with air cooling. The FCS is either placed in a…
An embodiment air-cooled fuel cell includes a cell stack, an air inlet manifold configured to allow air to flow into the cell stack therethrough, an air outlet manifold configured to allow the air to flow out of the cell stack therethrough, and a manifold opening/closing controller disposed at the…
To provide an air-cooled fuel cell system configured to suppress thermal runaway. An air-cooled fuel cell system, wherein the air-cooled fuel cell system comprises: a fuel cell, a first temperature acquirer, a second temperature acquirer and a controller; wherein the fuel cell comprises a cooling…
To provide an air-cooled fuel cell system configured to efficiently warm up a fuel cell. An air-cooled fuel cell system, wherein the air-cooled fuel cell system comprises: a fuel cell, a reaction air supplier configured to supply reaction air to a reaction air inlet of the fuel cell, a reaction air…
The invention relates to a fuel cell system () comprising at least one fuel cell stack () having an anode section () and a cathode section (), an ejector (), a fuel mixture line () for conveying a fuel mixture—containing primary fuel and secondary fuel—from the ejector () to the anode section (), a…
An embodiment fuel cell system includes a fuel cell enclosure configured to output electrical energy generated by a fuel cell stack through a stack bus bar, a high-voltage box disposed on the fuel cell enclosure, the high-voltage box including an air inlet port formed at one side thereof, the air…
The invention relates to a fuel cell system () with at least one fuel cell (), each fuel cell () having a cathode inlet (), and with a housing () in which the at least one fuel cell () is arranged, the housing () having at least one ventilation inlet () through which at least one ventilation fluid…
A combustor, including: a catalyst bed portion supporting a catalyst capable of promoting a combustion reaction of fuel; a vaporizer which is arranged on the downstream side of the catalyst bed portion with respect to a flow of the fuel going through the catalyst bed portion and is configured to be…
The invention relates to a fuel cell system () comprising an air compressor () which is used to compress an air mass flow () that is supplied to at least one fuel cell (), and further comprising a cooling air path (), via which a cooling air mass flow () is branched off from the compressed air mass…