| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel battery stack, which allows the supply of produced water to a humidifier without fail and the secure keeping of a good power generation performance while having a simple and compact structure. <P>SOLUTION: The fuel battery stack 10 has a humidifier 36. The humidifier includes: a humidifier joint part 101 connected with an end plate 62b; resin-made piping 112 placed in the humidifier joint part 101, which has an off-gas lead-out opening 116; a gap 120 for circulating part of off gas, which is provided at least between an upper peripheral portion of the resin-made piping with the off-gas lead-out opening 116 formed therein and an inner wall face 40b of the humidifier joint part 101, and communicates with an off-gas inflow port 40; and a plurality of bores 122 formed in an upper face of a peripheral portion at the other end 112b of the resin-made piping, and communicating with the gap 120. <P>COPYRIGHT: (C)2012,JPO&INPIT |
