| 摘要 |
In a catalyst electrode 23, a plurality of catalyst clusters 30 and a plurality of electrolyte clusters 32 are connected and entwined with each other. Each catalyst cluster 30 is formed by aggregation of a plurality of carbon particles 36 with a catalyst 34 carried thereon, and the surface of t he catalyst cluster 30 is coated with an electrolyte layer 38. Each electrolyte cluster 32 is formed by aggregation of an electrolyte. A supply of ions is f ed to the catalyst 34 for the electrochemical reaction via the electrolyte laye r 38. The electrolyte clusters 32, on the other hand, ensure the pathway of io ns moving from an electrolyte film 21 towards a gas diffusion electrode 25. This arrangement of the present invention does not require the thick electrolyte layer 38 for ensuring the sufficient transmission of ions but enables a sufficient amount of gas (oxygen) to be fed to the catalyst 34.</S DOAB> |
