Patent ID: 7882051

Claim:
A fuel cell controlling system for controlling an electric power output from a fuel cell in which a fuel gas and an oxidant gas are supplied to the fuel cell to generate the electric power output, comprising: a controller to control the operation of a fuel cell, the controller comprising: a memory portion adapted to store one or more base output characteristics of the fuel cell for each of a plurality of operating temperatures of the fuel cell; and an output characteristics learning portion adapted to learn a relationship between one or more actual output characteristics of the fuel cell and the one or more base output characteristics stored in the memory portion for each of the plurality of operating temperatures; wherein the controller is adapted to utilize the learned relationship between the one or more actual output characteristics and the one or more base characteristics in controlling operation of the fuel cell; and wherein the output characteristics learning portion is adapted to prohibit learning when an actual current is less than a first predetermined current and more than a second predetermined current.