| 摘要 |
According to one embodiment, a fuel cell system includes a plurality of cell stacks, each of which includes a plurality of single cells, stacked in layers on one another and each including an anode and a cathode opposed to each other, a fuel passage through which a fuel is supplied to the anode, and an air passage through which air is supplied to the cathode, and generates electric power based on a chemical reaction. There are provided an air pump which supplies air to the plurality of cell stacks, and a valve mechanism arranged between the air pump and the air passage of each cell stack, which switches a flow distribution of air from the air pump to each cell stack. A power controller shifts the valve mechanism to change the flow distribution to the plurality of cell stacks.
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