Patent ID: 9666886
Date: 2017-05-30
CPC Classifications: H01M,Y02E

Claim:
1. A method of removing condensed water removing in a gas diffusion layer and a catalyst layer of a fuel cell, comprising: determining a state of the fuel cell whether the condensed water is generated in the gas diffusion layer and the catalyst layer of the fuel cell; reducing an amount of air supplied to a cathode of the fuel cell by a predetermined amount when it is determined that the condensed water is generated in the gas diffusion layer and the catalyst layer; wherein reducing an amount of air increases a temperature of the catalyst layer; vaporizing a portion of the condensed water around the catalyst layer by increasing the temperature of the catalyst of the cathode of the fuel cell; discharging the condensed water of the catalyst layer and the gas diffusion layer to a channel side by increasing a water vapor pressure of the catalyst layer and the gas diffusion layer; measuring a temperature of a stack of the fuel cell; and increasing the amount of air supplied to the cathode of the fuel cell by the predetermined amount to an initial amount of air supplied to the cathode of the fuel cell when the measured temperature of the stack of the fuel cell is elevated to a predetermined vaporizing temperature or greater.