| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cell system which can acquire high power generation efficiency.SOLUTION: In a fuel cell system, a plurality of fuel cells is disposed along a supply direction of fuel, the fuel cells including an electrolyte, a fuel electrode, and air electrode. At least the electrolyte of the fuel cell located at the most upstream side includes a proton conductive electrolyte.SELECTED DRAWING: Figure 1 |
