| 摘要 |
PROBLEM TO BE SOLVED: To achieve economical manufacture of a power generation unit with two MEAs and three separators as well as restraint of equipment complication.SOLUTION: A fuel cell stack 10 is constructed by layering a plurality of power generation units 12. A second separator 18 forming each of the power generation units 12 has a flat plate shape, and one flat surface of the second separator 18 includes a first porous body 36a forming a first oxidant gas flow 48, while the other flat surface of the second separator 18 includes a second porous body 36b forming a second fuel gas flow 52. |
