| 摘要 |
In a polymer electrolyte fuel cell stack, cooling water which is used to cool a cell and which flows through a cooling water emission manifold is made to flow into an end plate and into a practically sigmoidal contiguous stack end passage provided in an upper area of the end plate corresponding to a high-temperature area of the cell. The temperature of cooling water flowing from a cell at the stack end to the cooling water emission manifold is maintained constant by a flow rate control element.
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