| 摘要 |
A fuel cell system of the present invention comprises a reformer ( 1 ) configured to generate a hydrogen-rich gas, a shift converter ( 2 ) configured to generate hydrogen and carbon dioxide from carbon monoxide in the hydrogen-rich gas and water, a hydrogen generator ( 20 ) including a carbon monoxide removing portion ( 3 ) configured to reduce the carbon monoxide in the hydrogen-rich gas which has not been removed in said shift converter ( 2 ), a fuel cell ( 4 ) configured to generate power using the hydrogen-rich gas supplied from the hydrogen generator ( 20 ) and an oxidizing gas, an air supply portion ( 6, 9 ) configured to supply air to at least one of a position upstream of said reformer ( 1 ) and a position between said carbon monoxide removing portion ( 3 ) and said fuel cell ( 4 ) in a flow of the fuel gas; and an impurity removing means ( 12, 13 ) configured to remove an impurity gas from the air.
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