| 摘要 |
A fuel cell apparatus includes a fuel cell stack of a plurality of fuel cells electrically connected in series with each other and a controller configured to control the fuel cell stack by using a part of electric power generated by the fuel cell stack. The controller is electrically connected in parallel with at least one of the fuel cells constituting the fuel cell stack, and short-circuit current of the at least one of the fuel cells is larger than that of at least one of the fuel cells constituting the fuel cell stack and not being electrically connected in parallel with the control means. With such a structure, a large electromotive force can be obtained by connecting the fuel cells in series and, simultaneously, the power generation characteristics of each fuel cell can be sufficiently utilized. Thus, the fuel cell apparatus having high power generation density can be provided.
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