| 摘要 |
A liquid circulation type fuel cell generates electric power by circulating diluted liquid fuel to a fuel cell. In a dilution fuel cell system of circulation type, a decompression mechanism for reducing the pressure in a dilution fuel tank for circulating the diluted fuel for the fuel cell is provided. Thereby gas in the dilution fuel tank is removed. With this, the operational failure of the circulation pump caused by the gas in the diluted fuel can be avoided, enabling stable operation of the fuel cell system.
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