| 摘要 |
A fuel cell unit of the present invention has, in a casing, a fuel cell stack in which plural fuel cells are stacked, monitoring means that detects and monitors voltage, temperature, and the like of the fuel cells, and voltage converting means that boosts output voltage of the fuel cell stack and outputs the boosted output voltage to the outside of the unit. The voltage converting means determines an optimum output current on the basis of states such as the voltage, temperature, and the like of the fuel cells that is output from the monitoring means, and increases or decreases the power generation current of the fuel cell stack.
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