The object is to suppress degradation of the durability of an electrolyte membrane caused by deformation by expansion and contraction of the electrolyte membrane. A controller 150 calculates a humidity P of an electrolyte membrane 112 based on a cell resis...

To prevent inflow of liquid water into a power generating portion even if the liquid water remains in a manifold, and to enable size reduction by making constant the contact or surface pressure. According to the present invention, in a fuel cell comprising...

The disclosure is directed at a method and apparatus for controlling fuel cell operating conditions. The apparatus includes a set of sensors for monitoring the fuel cell operating conditions and a processing unit, in communication with the set of sensors f...

A fuel cell system according to the present invention includes: a hydrogen generator (2); a burner (3); an air supply device (6); a fuel cell (1); a condenser (4) configured to condense an exhaust reducing gas to recover condensed water, the exhaust reduci...