| 摘要 |
A fuel cell stack includes a first separator including a sandwiching section for sandwiching an electrolyte electrode assembly, a fuel gas supply section, and a first load absorbing mechanism for absorbing a load applied in a stacking direction. A fuel gas supply passage extends through the fuel gas supply section in the stacking direction, and the first load absorbing mechanism is provided in the fuel gas supply section. The first load absorbing mechanism includes coupling members and seal members. The coupling members couple fuel gas supply sections of a pair of the first separators together, and have spring property for absorbing the load in the stacking direction. The seal members prevent leakage of the fuel gas from the fuel gas supply section.
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