| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance energy efficiency of a fuel cell system in a fuel cell stack by reducing pressure loss at the time of supplying gas. <P>SOLUTION: A separator 41 is equipped with an air supply inlet 422i for supplying air in a perpendicular direction to a cathode side surface of an MEGA unit 45, and an air exhaust outlet 422o for exhausting air in the perpendicular direction to a surface of the MEGA unit 45. The MEGA unit 45 is equipped on the cathode side with a dispersion layer 48c for the cathode which has a higher air ventilation resistance in the perpendicular direction than the air ventilation resistance in the parallel direction with the surface. Then, the MEGA unit 45 is equipped with a gap 49ci at a position opposed to the air supply inlet 422i in order to supply the air from the side face of the dispersion layer 48c for the cathode into a parallel direction with the face, and with a gap 49co at a position opposed to the air exhaust outlet 422o for exhausting the un-used air from the side face of the dispersion layer 48c for the cathode in a parallel direction with the face. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
