To provide a fuel cell device which can eliminate at least a part of a gas supply pipe arranged in a fuel cell device and can be reduced in size.

The fuel cell device 1 houses a fuel cell in a housing container 2. The housing container 2 is equipped with a plurality of hollow pillars 3 and the inside of the pillars 3 is made a gas passage for a gas to be supplied to the fuel cell. Furthermore, an impurity removal device such as a desulfurization catalyst or a filter is installed in the pillars 3. Furthermore, the pillar 17 is a double-pipe structure in which a fuel gas supply pipe 19 for supplying a fuel gas is formed inside an oxygen-contained gas supply pipe 18 for supplying the oxygen-contained gas.

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