The invention relates to a method for operating a fuel cell system, wherein hydrogen from a tank () and recirculated hydrogen from a recirculation circuit () are supplied to at least one fuel cell () via a fuel line () as anode gas, and in which the anode gas is removed from the recirculation…
The invention relates to a method for operating a fuel cell system (), hydrogen from a tank () and recirculated hydrogen from a recirculation circuit () being supplied to at least one fuel cell () via a fuel line () as anode gas, and the anode gas being removed from the recirculation circuit () by…
A fuel cell system for a vehicle includes an anode manifold, a drain valve, and a controller. The controller adjusts the duration for which the drain valve remains open or closed based on changes in the anode pressure slope associated with the valve's operation. The system, for example, increases…
The present disclosure generally relates to systems and methods for purging water or gas from a fuel cell system. The fuel cell system may include a multi-phase valve system and/or a separate valve system. The opening and closing of the valve systems for removing gas and water is controlled by a…
A condensate water storage device including a storage container defining a storage space to store condensate water, and having a discharge hole through which the condensate water is discharged to the outside, a valve unit to selectively open and close the discharge hole, a connection cable…
The invention relates to a method for removing water from a fuel cell system () comprising a fuel cell stack () having an anode portion () and a cathode portion (), a purge valve () downstream of the anode portion () for controlling a purge pressure in the anode portion (), and a back pressure…
Methods and systems are described for optimizing water discharge in fuel cell vehicles. The system includes a fuel cell stack, a blower for purging water from the fuel cell stack and a controller. The controller detects that an ambient temperature satisfies a threshold temperature. The controller…
A system for estimating the amount of purge of a fuel cell is provided. The system includes a fuel cell that generates power by receiving hydrogen at an anode side and receives oxygen at a cathode side. A recirculation line is connected with the anode side of the fuel cell, and the gas included…
Proposed are a fuel cell system and a method of controlling the fuel cell system. The fuel cell system includes: a hydrogen supply unit connected to a hydrogen inlet side of a fuel cell stack, with a supply valve and a sensor being provided in the hydrogen supply unit; a hydrogen discharge unit…
A fuel supply control system and method for a fuel cell are disclosed. The system includes: a fuel cell configured to receive a fuel gas and an oxidation gas and generate electric power; a recirculation line configured to circulate gas containing the fuel gas and connected to a fuel electrode of…
Embodiments of systems and methods of operating a vehicle include operating at least one fuel cell stack, whereupon a heat exchanger therefor the at least one fuel cell stack counter-balances heat therefrom with heat rejected therefrom, and operating a water system to pump water from the at least…
A method for purging the hydrogen feed anode circuit of a fuel cell, whereby hydrogen is fed at a nominal pressure to the inlet of the cell, characterized in that at predetermined periodicity the following steps are repeated: instruction is given to open the hydrogen purge valve arranged on the…
A fuel cell system includes a fuel cell stack, a fuel gas supply channel, a circulation passage, a purge valve, and a temperature sensor. A method of operating the fuel cell system performs a judging step of determining whether or not the temperature detected by the temperature sensor is at or…
A system for estimating the amount of purge of a fuel cell is provided. The system includes a fuel cell that generates power by receiving hydrogen at an anode side and receives oxygen at a cathode side. A recirculation line is connected with the anode side of the fuel cell, and the gas included…
A fuel cell system 100 includes a fuel cell 10, a cathode gas supply system 30, a supply valve 34, an exhaust valve 43 and a controller 20. The fuel cell 10 has a supply manifold M1, an exhaust manifold M2, and a power generation area GA connected with these manifolds M1 and M2. The cathode gas…
The fuel cell assembly (2B) has a main stack of PEM (Polymer Electrolyte Membrane) fuel cells (4B) supplied with oxygen and hydrogen reaction gases via control valves (10 O, 10 H). The main fuel cell stack is connected to the main electrical output (30B). The PEM fuel cells are run at less than 80…