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 oper...

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 the...

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). ...