| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system in which the temperature of end cells in a fuel cell stack is kept to be the same as that of other cells in the fuel cell stack. <P>SOLUTION: The fuel cell system employs end cell heaters 48 in the end cells of the fuel cell stack in the fuel cell system, and consistently maintains the temperature of the end cells above the operating temperature of the stack so as to reduce water in the end cells. The temperature of the end cells is maintained within the range of 80°C to 85°C across the entire output power range of the fuel cell stack. The end cells are electrically coupled in series, and the control signal for controlling the end cells heaters is selected to heat the warmest end cell to the desired temperature. <P>COPYRIGHT: (C)2008,JPO&INPIT |
