| 摘要 |
PROBLEM TO BE SOLVED: To evenly form a thin high-molecular electrolyte film with excellent adhesiveness so as to provide a solid high-molecular fuel cell having high performance by screen-printing one surface of an electrode with the solution of high- molecular electrolyte. SOLUTION: An electrode 21, which is formed by forming a catalyst layer 22 on a gas diffusion layer, is placed in a recessed part of a supporting base 19 having a peripheral edge 20. As this gas diffusion layer, a carbon paper or a water repellent carbon paper is desirable. The catalyst layer 22 contains the catalyst, which is composed of the carbon powder carrying platinum, and the electrolyte, and furthermore, it desirably contains the water repellent agent at need. This electrode 21 is screen-printed with the printing liquid 25 through a squeegee 24 by using a screen 23, which is formed of a film 27 and a screen part S, so as to manufacture an electrolyte film 26. As the printing liquid 25, the printing liquid at the appropriate viscosity, which is obtained by using the high-molecular electrolyte composed of the resin of perfluorocarbon sulfonic acid, is used. After drying this electrolyte film 26, other electrode is provided thereon to obtain a cell. |
