| 摘要 |
PURPOSE:To readily obtain an electrically suitable contact condition and a contact condition suitable for fluid sealing by selecting apparent elastic modulus of unit cell constituting members so as to be larger than that of fluid sealing members. CONSTITUTION:A frame 13 for accommodating both electrodes is arranged in the periphery of a separator 4. The material of the frame and its thickness are selected so that the apparent elastic modulus (Ea)1 of electrically contact members and the apparent elastic modulus (Ea)2 of the portions to be sealed meet a condition of (Ea)1>(Ea)2. Fuel flows upward through passage between ribs of the separator 4 by passing through grooves installed in one vertical side of the frame 13 from a passing through hole, and reaches a fuel electrode 1. Oxidizing agent flows downward through passages between ribs installed in the back of the fuel passages and reaches an oxidizing agent electrode 2. A fuel electrode frame 7 and an oxidizing agent electrode frame 8 form a passage through which the fluid is introduced from the passing through hole of the flame 13 to the passages between ribs, or form a passage through which the fluid is introduced from the passages between ribs to the passing through holes in the frame 13. |
