| 摘要 |
PROBLEM TO BE SOLVED: To provide a solid high molecular fuel cell, of which catalyst bed has the ideal distribution and which has high performance, by forming the catalyst bed so that the electrolyte is contained at a larger rate on the surface side thereof than other parts thereof. SOLUTION: A catalyst bed 15 to be formed on a gas diffused layer 14 is formed of a first layer 16 including the electrolyte at a small ratio, a second layer 17 containing the electrolyte at an intermediate ratio, and a third layer 18 containing the electrolyte at a large ratio. As a method for slanting the rate of the electrolyte in relation to the catalyst powder, the electrolyte is added for mixing to the catalyst powder at a different rate of addition so as to manufacture two or more kinds of raw material mixture, and these two kinds or more of raw material mixture is mixed so as to form the suspension, and this suspension is deposited for carrying on the gas diffused layer 16 by filtering. At the time of filtering the catalyst suspension, plural raw material mixture is relatively divided for lamination by a difference of specific gravity. Distribution of the catalyst bed in the process can be thereby realized, and the electrode manufacturing process can be simplified. |
