| 摘要 |
A fuel cell system includes a hydrodesulfurizer (2) that removes a sulfur compound from raw material and that is heated with heat of exhaust gas flowing in the fuel cell system (100); a fuel cell (1) that generates power through an electrochemical reaction using fuel and oxidant gas, the fuel being obtained by reforming raw material from which the sulfur compound has been removed by the hydrodesulfurizer (2); an introduction passage (6) through which the exhaust gas that is to heat the hydrodesulfurizer (2) passes; a first heat exchanger (5) disposed in the introduction passage (6) and that preheats, with heat of the exhaust gas passing through the introduction passage (6), the oxidant gas to be supplied to the fuel cell (1); and a second heat exchanger (4) that preheats, with heat of exhaust gas passing through a passage other than the introduction passage (6), the oxidant gas to be preheated by the first heat exchanger (5). |
