| 摘要 |
A solid oxide fuel cell including an electrode, a solid electrolyte, and an interconnector (4), wherein a single cell (5) includes the electrolyte (2) formed on a first main surface of a cell substrate (1) formed of a first electrode material, a second electrode (3) is formed on top of the electrolyte, and the interconnector is formed on a second main surface differing from the surface formed with the electrolyte, the cell substrate is porous, flat-formed, and has therein a plurality of flow passages of the gas corresponding to the first electrode material, the flow passage of the gas is formed in multiple stages in the substrate, forming a plurality of gas flow passages as supply passages (6) and a plurality of gas flow passages as return passages (7), these supply passage and return passage communicate with each other at a gas turn back portion (8) in the substrate, and openings of the supply passage and the return passage are located on a side surface of the substrate. <IMAGE> |
