| 摘要 |
A fuel cell stack (FS) includes a stacked plurality of single cells (C), each including a membrane electrode assembly (1) and a pair of separators (2) sandwiching the membrane electrode assembly therebetween, wherein a cooling fluid channel (F) where a cooling fluid flows is formed between adjacent single cells (C), and the fuel cell stack (FS) further comprises a displacement absorbing member (5) disposed in the cooling fluid channel (F) to absorb a displacement between the single cells (C), and the displacement absorbing member (5) comprises a channel flow resistance reducing means (16, 36) to reduce a channel flow resistance of the cooling fluid channel (F) against the cooling fluid. With this configuration, the fuel cell stack reduces the pressure loss in the cooling fluid channel (F) while maintaining the spring characteristics of the displacement absorbing member (5). |
