Abstract: A supply device for the electrical supply of at least one consumer has a primary current system in which there is a fuel cell device, a secondary current system in which there is a battery which has an operating voltage range limited at the top by a maximum voltage and at the bottom by a minimum voltage and which has an operating current strength range for supplying current to the at least one consumer, and a frost-starting element, which is provided in the primary current system and is designed to bring about heating of the fuel cell device. An open-circuit voltage of the fuel cell device corresponds at most to the maximum voltage of the battery.

Abstract: A vehicle comprising: a shift reactor (110) configured to: receive carbon monoxide produced by the vehicle; and process the received carbon monoxide to produce an output comprising hydrogen; and a fuel cell (112) coupled to the shift reactor (110) and configured to: receive the hydrogen from the shift reactor (110); and produce, using the received hydrogen, electricity for use on the vehicle.

Abstract: A cooling water temperature of a fuel cell 10 is detected by a sensor 94d. Based on the outside air temperature, a first threshold temperature and a second threshold temperature lower than the first threshold temperature are calculated. When it is judged that the cooling water temperature is lower than the first threshold temperature and higher than the second threshold temperature, first warmup processing is performed. When it is judged that the cooling water temperature is lower than the second threshold temperature, second warmup processing with an amount of heat generation greater than the first warmup processing is performed.

Abstract: A fuel cell system, with an air flow system includes a first thermal zone, a second thermal zone, an air blower provided between the first and second thermal zones. The first thermal zone is connected to an inlet port of the fuel cell system. The second thermal zone is connected to an outlet port of the fuel cell system. The air blower is configured to draw in air from the first thermal zone and provide the air to the second thermal zone.

Abstract: A hierarchical fault classification method for a fuel cell system, a multi-stage fault diagnosis method therefor, and a fault diagnosis device therefor are disclosed. The fuel cell system is divided into a subsystem, a component, and an element step by step. The multi-stage fault diagnosis method includes detecting a subsystem, a fault of which occurs, in the fuel cell system composed of a plurality of subsystems and detecting an upper-level component, which causes the fault, among upper-level components included in the subsystem, the fault of which occurs, using measurement data and a control signal.

Abstract: An FCV includes: a driving device that generates traveling power by using at least one of electric power output from an FC system and electric power output from a battery; and a display device that presents a first indicator and a second indicator, the first indicator indicating a remaining amount of electric power to be output from the FC system, the second indicator indicating a remaining amount of electric power to be output from the battery. An amount of electric power that can be output from the FC system when the hydrogen tank is full is larger than an amount of electric power that can be output from the battery when the battery is fully charged. A presentation area of the first indicator is larger than a presentation area of the second indicator.

Abstract: A fuel cell system includes: a fuel cell; a target operating point determination unit that determines a warm-up target operating point based on a required electric power amount during warm-up and a required heat generation amount during warm-up; an operation control unit; and a failure state identification unit that identifies whether an electric power consumption device that operates by consuming generated electric power generated by the fuel cell has failed. When a failure of the electric power consumption device is identified, the target operating point determination unit determines an operating point that satisfies a required electric power amount during a failure that is set to be smaller than the required electric power amount during the warm-up and a required heat generation amount during the failure that is set to be smaller than the required heat generation amount during the warm-up as a target operating point during the failure.

Abstract: The present invention relates to a fuel cell membrane humidifier capable improving humidifying efficiency by controlling the flow direction of fluid, and the fuel cell membrane humidifier according to an embodiment of the present invention comprises: a hollow fiber membrane module for accommodating a hollow fiber membrane in which a first fluid and a second fluid perform moisture exchange while the first fluid flows therein and the second fluid flows on the outside thereof; and a housing part constituting the appearance of the membrane purifier, wherein a fluid guide part for uniformly guiding the flow of fluid is formed between the hollow fiber membrane and the housing part.

Abstract: A fuel cell system ensures estimation on a cooling capacity by produced water in an intercooler when water is provided. A control device in a fuel cell system includes a freeze determination unit, a required pressure calculator, a discharge pressure setting unit, a power supplying unit, and a melting estimation unit. The freeze determination unit determines a freezing of produced water in an intercooler. The required pressure calculator calculates a pressure of air discharged from an air compressor. The discharge pressure unit sets the discharge air compressor to a melt pressure when the required pressure is the melt pressure or more. The power supplying unit performs power generation with the melt pressure for a melting period set to melt the frozen produced water, and supplies the generated power to the motor. The unit estimates the melting of the frozen water in the intercooler has completed after the melting period.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency. Disclosed is an all-solid-state battery, wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains at least one selected from the group consisting of a lithium metal and a lithium alloy; and wherein a protective layer comprising a composite metal oxide represented by Li-M-O (where M is at least one metal element selected from the group consisting of Mg, Au, Al and Sn) is disposed between the anode layer and the solid electrolyte layer.

Abstract: A fuel cell system includes first and second fuel cells, first and second coolers cooling coolant, first and second coolant supply path from the coolers to the fuel cells, first and second coolant discharge paths from the fuel cells to the coolers, a detour path connecting the first coolant supply path and the first coolant discharge path bypassing the first cooler, an adjusting device adjusting a flow rate of coolant of the detour path, first and second connection paths connecting the coolant supply paths and the coolant discharge paths, first and second opening/closing valves in the connection paths, and a controller configured to, when there is a possibility of flooding, suspend power generation of the first fuel cell and control the adjusting device or the first cooling device such that a temperature of the coolant of the first fuel cell increases, and open the opening/closing valves.

Abstract: A fuel cell vehicle includes a fuel cell frame including an outer frame and an inner frame disposed inside the outer frame, an upper structure disposed on the fuel cell frame, and a lower structure disposed under the fuel cell frame. The inner frame is formed in the shape of a partition dividing an inner space surrounded by the outer frame into a plurality of hollows.

Abstract: A fuel cell vehicle includes a fuel cell stack including a cathode flow field and an anode flow field, an atmospheric air pressure acquisition unit for obtaining pressure of atmospheric air, and a pump for sucking the atmospheric air and supplying an oxygen-containing gas to the cathode flow field through a supply channel. In the case where the temperature is predicted to be below freezing temperature after the time of stopping operation of the fuel cell stack, a scavenging period for the time of stopping operation is set based on the atmospheric air pressure, in order to perform scavenging of the cathode flow field by the oxygen-containing gas in a manner that the cathode flow field is placed in a predetermined humid state.

Abstract: To provide a fuel cell system configured to reduce the drying of the inside of the fuel cell stack and increase the power generation performance of the fuel cell stack by reducing a circulation gas flow rate during high temperature operation. Disclosed is a fuel cell system comprising: a fuel cell stack, an ejector, a first injector which supplies fuel gas to the ejector, a second injector which has a smaller fuel gas injection amount than the first injector and which supplies the fuel gas to the ejector, a third injector which supplies the fuel gas to fuel electrodes of the fuel cell stack, a fuel gas supplier, a first supply flow path, a second supply flow path which enables the supply of the fuel gas from the third injector to the fuel electrodes of the fuel cell stack, a circulation flow path, a temperature detector, and a controller.

Abstract: A system of fuel cells for an aircraft including a plurality of fuel cells, a hydrogen circuit, a cooling circuit and a first air circuit configured to supply oxygen to a first subset of fuel cells having at least two cells. The first air circuit includes an air flow restrictor at each fuel cell inlet of the first subset and configured to distribute the air between the fuel cells of the first subset, and an outlet valve connected to the outlet of the fuel cells of the first subset, the opening of the outlet valve being controlled by a computer as a function of an electrical power that is to be produced by the fuel cells of the first subset. The use of the same air circuit to supply oxygen to several fuel circuits makes it possible to limit the bulk of the fuel cells system.

Abstract: A conductive material paste for an electrochemical device contains a conductive material, an imidazole compound represented by the following formula (I), a binder, and an organic solvent. In formula (I), X1 and X2 are each hydrogen or a monovalent organic group that optionally forms a ring structure, and X3 and X4 are each hydrogen or an independent monovalent organic group.

Abstract: An integrated power generation and exhaust processing system includes a fuel cell system configured to generate power and to separate CO2 included in exhaust output from the fuel cell system, and an exhaust processing system configured to at least one of sequester or densify CO2 separated from the exhaust output from the fuel cell system.

Abstract: A method of making an interconnect for a solid oxide fuel cell stack includes contacting an interconnect powder located in a die cavity with iron, the interconnect powder including a chromium and iron, compressing the interconnect powder to form an interconnect having ribs and fuel channels on a first side of the interconnect, such that the iron is disposed on tips of the ribs; and sintering the interconnect, such that the iron forms an contact layer on the tips of the ribs having a higher iron concentration than a remainder of the interconnect. A glass containing cathode contact layer having a glass transition temperature of 900° C. or less may be located over the rib tips on the oxidant side of the interconnect.

Abstract: A fuel cell system for a vehicle includes a first cooling line configured to pass through a fuel cell stack in a vehicle and configured to circulate a first coolant therein, a first cooler provided in the first cooling line and configured to cool the first coolant, and a second cooler provided in the first cooling line and configured to cool the first coolant independently from the first cooler, thereby obtaining an advantageous effect of ensuring a high output from the fuel cell stack and improving safety and reliability.

Abstract: An aircraft power plant comprising novel air management features for high-power fuel cell applications, the features combine supercharging and turbocharging elements with air and hydrogen gas pathways, utilize novel airflow concepts and provide for much stronger integration of various fuel cell drive components.