| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system equipped with an oxygen enriching device having good efficiency. <P>SOLUTION: This fuel cell system is equipped with a compressor 19 to supply air to a fuel cell stack 1, and an oxygen electrode inlet pipe 3 to supply air to an oxygen electrode from the compressor 19. An oxygen enriching device 6 to absorb nitrogen in response to a pressure, and a pressure control valve 8 to control the absorbed quantity of nitrogen of the oxygen enriching device 6 by changing the pressure of the oxygen enriching device 6 in response to the load of the fuel cell stack 1 are provided in the oxygen inlet pipe 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
