Patent ID: 8663861
Filing Date: 2014-03-04
Classification: H01M,Y02E

Abstract:
1. A method for controlling a fuel cell system comprising: a fuel cell having an anode and a cathode; a fuel supply unit for supplying a fuel to the anode; an oxidant supply unit for supplying an oxidant to the cathode; and a current sensor for detecting an output current of the fuel cell, the control method comprising the steps of: (a) setting the amount of fuel supplied to the fuel cell by the fuel supply unit to a second set value Qm (b) detecting an output current Ifcr of the fuel cell with the fuel supply amount set to the second set value Qm (c) comparing the output current Ifcr with a reference value Iref for determining mild deterioration to determine whether the fuel cell has deteriorated; and (d) in the case of determining that the fuel cell has deteriorated, resetting the fuel supply amount to a third set value Qm