| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cell stack that reduces pressure drop in a manifold as far as possible with a simple configuration and that allows a cooling medium to be circulated smoothly and reliably.SOLUTION: A fuel cell stack 10 includes a first end plate 18a that is provided with a cooling medium supply manifold 50 and a cooling medium discharge manifold 52. The cooling medium supply manifold 50 has: a pair of supply manifold sections 54a and 54a that communicate with a pair of cooling medium supply communication holes 30a and 30a of the first end plate 18a, respectively; and a supply connection section 56a that connects upper sides of the pair of supply manifold sections 54a and 54a. On an inner wall surface of at least one of the supply manifold sections 54a, a sloping portion 60c is provided that smoothly slopes from a straight portion 60a through a curved portion 60b. |
