摘要 |
PURPOSE:To enhance the initial characteristics and secular stability of a fuel cell by structuring a catalyst so that a ternary alloy of platinum, titanium, and nickel is borne by a carrier consisting of carbon, and fastening the catalyst onto an electrode base material using a binder. CONSTITUTION:A catalyst 3 is structured so that a ternary alloy 2A consisting of 10-30% titanium, 10-30% nickel, and platinum for remainder is borne by a carrier of carbon. An electrode catalyst layer 5 is formed by laying this catalyst 3 on an electrode base material 1 using a binder. This ternary alloy catalyst has a small dia. of crystallite and presents lesser secular change. This achieves a fuel cell excellent in the initial characteristics and secular stability. |