The present application discloses a startup process control method for a fuel cell system, comprising: causing the hydrogen subsystem, air subsystem, and thermal management subsystem of the fuel cell system to operate in their respective first state modes for predetermined first time periods; after…
The fuel cell start control system includes a plurality of fuel cell stacks configured to generate power by receiving air and fuel, a power storage device connected to a bidirectional converter and configured to be charged by generated power of a respective fuel cell stack or configured to supply…
In accordance with at least one aspect of this disclosure, an emergency power unit system for an aircraft includes, a fuel cell system configured to generate power using a fuel and an oxidizer and to supply electrical power to an aircraft electrical bus in at least a fuel cell operational mode. An…
The invention relates to a fuel cell system () with at least one fuel cell stack (), which comprises an anode chamber () and a cathode chamber (), with at least one air conveying device () for the supply of the cathode chamber () with air via a feed air line (), with an outlet air line () from the…
A system includes: a ring bus; a plurality of static uninterruptible power supplies (UPSs), each static UPS of the plurality of static UPSs including: at least one battery; an input that is electrically connected to a first external electrical power source; and an output that is electrically…
L'invention concerne un système de commande, destiné à être adapté sur une pile à combustible (PAC), ladite pile à combustible comportant plusieurs cellules (Cell_i) connectées en série entre une première borne (B1) et une deuxième borne (B2), ledit système comportant Une unité centrale de contrôle…
A cold start device for an exothermic hydrogen consumer such as a fuel cell, as well as a method for operating an exothermic hydrogen consumer with a metal hydride storage system. An exothermic hydrogen consumer such as a fuel cell with an efficient cold start device which can be brought into…
The purpose of the present invention is to provide fuel cell system capable of stable start-up and method for starting the fuel cell system. Fuel cell system includes SOFC, a turbocharger, oxidizing gas supply line, a control valve, oxidizing gas blow line, start-up air line for supplying the…
A method for starting a fuel cell device having a plurality of fuel cells under frost starting conditions is provided, which comprises: establishing the presence of frost starting conditions for the fuel cell device, anode-side supplying of a hydrogen-containing reactant and cathode-side supplying…
A thermal management system for a fuel cell vehicle includes a first line including a coolant pump and a fuel cell stack, a second line including a coolant heater and a phase change material (PCM) and connected to the first line to form a first loop in which the coolant pump, the stack, the coolant…
To provide a fuel cell system configured to, at the time of starting the fuel cell system, purge gas other than fuel gas from the fuel electrodes of a fuel cell stack in a short time. A fuel cell system comprising: a fuel cell stack, an ejector set, a fuel gas supplier, a circulation flow path, a…
A process for starting a PEM fuel cell module includes blowing air through the cathode side of the module using external power. An amount hydrogen is released into the anode side of the module under a pressure greater than the pressure of the air on the cathode side, while the anode is otherwise…
A fuel cell system (1) includes: a fuel cell (51); an evaporating unit (32) producing water vapor from reforming water; a reforming unit (33) producing reforming gas from a reforming raw material and the water vapor and supplying the reforming gas to the fuel cell; a combustion unit (35) burning…
A solid oxide fuel cell system (1, 51) includes: a fuel cell stack (4) having a fuel electrode (2) and an oxidant electrode (3); and a combustion unit (12, 52) provided to start the system; a control unit (21) configured to perform control in such a way as to fill a combustion gas discharged from…
A fuel cell system of the present invention comprises a supply unit; a hydrogen generator, a fuel cell, a voltage meter, and a controller, wherein the controller is configured to: when the voltage measured by the voltage meter decreases to a first predetermined value by changing an electric power…
There are provided a fuel cell system and an operating method thereof, capable of reducing an adverse influence which acts on a fuel cell at the time of restarting the fuel cell after emergency shutdown of operation of the fuel cell. A fuel cell system includes a fuel cell (1), a fuel gas supply…
A fuel cell system is provided which includes a fuel cell (1), an evaporation unit (2), a reforming unit (3), a water tank (4), a water supply passage (8), a water conveyance source (8A), a water sensor (87), and a control unit (100). The control unit (100) executes water supply abnormality…
A controller (81) in a fuel cell system (1A) operates a fuel cell (60) in a normal mode or in a special mode which is switched by the controller (81); in which in the normal mode, the fuel cell (60) is operated so as to satisfy at least one of a first operation condition and a second operation…
A system for adding sulfur to a fuel cell stack, having a reformer adapted to reform a hydrocarbon fuel stream containing sulfur contaminants, thereby providing a reformate stream having sulfur; a sulfur trap fluidly coupled downstream of the reformer for removing sulfur from the reformate stream…
A fuel cell system of the present invention comprises a fuel cell (1), a fuel processor; a burner (2a) configured to combust at least one of off-gas containing hydrogen which has not been consumed in power generation in the fuel cell (1), the material gas, and the fuel gas, a first gas passage…
A fuel cell system of the present invention comprises a fuel cell (13), a load value detecting means (16) configured to detect a load value of a load of electric power or heat which is generated by equipment (14) supplied with the electric power or the heat from the fuel cell system, a load value…
A control device for controlling the operation of a fuel cell system is disclosed, including a microprocessor, a voltage detection circuit, a current detection circuit, a hydrogen pressure detection circuit, a temperature detection circuit, an air flow rate control circuit that is controlled in a…
The method involves charging the PEM fuel cell with a direct current and measuring the time variation of the electrical voltage on the fuel cell. The current density used when charging the fuel cell is between 1 and 10 milliamperes per square centimeter in the PEM fuel cell. The voltage applied to…
In a fuel cell system, a start-up combustor (10) combusts a gaseous mixture of fuel supplied by an injector (15) and air supplied from a valve (12C) at a rich air-fuel ratio, and supplies high temperature combustion gas to a reformer (3) in order to activate the reforming catalyst. After completion…