| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent degradation of power generating efficiency by water collecting in a fuel cell. <P>SOLUTION: The fuel cell stack (1) provided with a supply inside manifold (4) distributing reaction gas to a plurality of gas flow channels (11), and an exhaust inside manifold (5) collecting and exhausting outside the reaction gas supplied for reaction is further provided with a downstream end gas flow channel (14) circulating the reaction gas and condensed water collecting in a downstream side to the exhaust inside manifold from a downstream side of a communicating hole at the downmost stream side, out of the communication holes the reaction gas is circulated from the supply inside manifold to the gas flow channels. <P>COPYRIGHT: (C)2007,JPO&INPIT |
