| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system capable of easily and surely self-heating a fuel cell at the time of starting at low temperature and quickly improving power generation performance by accelerating warming-up. <P>SOLUTION: The fuel cell system 10 includes a fuel cell stack 12 wherein the fuel cells 25 are laminated, a high-voltage energy storage 18 enabled to be directly connected with the fuel cell stack 12, a DC-DC converter 20 connected with the fuel cell stack 12 and the high-voltage energy storage 18, a load 22 capable of being driven by at least generated electrical power of the fuel cell stack 12 or discharge power of the high-voltage energy storage 18, a fuel cell warming-up control section 73 for performing warming-up of the fuel cell stack 12, and a voltage adjustment section 80 for performing voltage control so as to make an output voltage of the fuel cell stack 12 higher than a terminal voltage of the high-voltage energy storage 18. <P>COPYRIGHT: (C)2009,JPO&INPIT |
