| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel battery capable of reducing the pressure loss of a reactant gas and improving power generation efficiency. <P>SOLUTION: The fuel battery includes a reactant gas intake side gas channel 2, and a reactant gas discharge side gas channel 3. A reactant gas supplied to the reactant gas intake side gas channel 2 is discharged to the reactant gas discharge side gas channel 3 via a gas diffusion layer 30. The reactant gas discharge side gas channel 3 is composed of a reactant gas discharge side groove formed on the side of a rib 4 that is not in contact with an electrode assembly 20 and a plurality of communicating holes 14 in contact with the electrode assembly 20 that communicate with the reactant gas discharge side groove. The part of the communicating hole 14 that communicate with the gas diffusion layer 30 is smaller in width than the part of the communicating hole 14 that communicate with the reactant gas discharge side groove. <P>COPYRIGHT: (C)2009,JPO&INPIT |
