| 摘要 |
There is provided a cell structure of a fuel cell which does not require a bolt, a seal member, or the like for fastening components of the fuel cell by a staked body, which can apply a stable fastening pressure to the entire surfaces of the components to reduce a contact resistance, and which can realize the down-sizing of the fuel cell; and a fuel cell stack. A cell structure of a fuel cell includes: a fuel cell component including at least an electrolyte membrane having reaction layers formed on both surfaces thereof and a member for allowing gas to diffuse and collecting current at a time of power generation; and an electrode substrate for taking out electric power, on which the fuel cell component is stacked, wherein the electrode substrate includes, as a structural portion for applying a surface pressure to the fuel cell component, a flow path or a closed space which is formed in the electrode substrate, for applying the surface pressure by allowing a fuel gas to flow in the flow path or the closed space.
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