| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system capable of filling exhaust gas from a fuel cell body to a buffer tank and then discharging, in order to prevent stay of hydrogen gas. <P>SOLUTION: The fuel cell system 1 is equipped with a hydrogen tank 3, the fuel cell body 10, and a hydrogen gas circulation channel 20 arranged between the hydrogen tank 3 and the fuel cell body 10. A hydrogen supply valve V1 is provided between the hydrogen gas circulation channel 20 and the hydrogen tank 3, and the hydrogen gas circulation channel 20 is provided with the buffer tank 30. An exit valve V2 is provided between a hydrogen gas exhaust port 10c of the fuel cell body 10 and the buffer tank 30, and a circulation valve V3 is provided between a hydrogen gas supply inlet 10a of the fuel cell body 10 and the buffer tank 30. <P>COPYRIGHT: (C)2010,JPO&INPIT |
