| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst electrode having high output characteristics by improving the catalyst utilization rate, and further provide a membrane electrode assembly and a fuel cell using the catalyst electrode. <P>SOLUTION: A catalyst ink for fuel cell for manufacturing a catalyst electrode comprise: at least a catalyst; a proton conductivity polymer electrolyte; and water subjected to ultrasonic waves. In addition, the catalyst ink for fuel cell is manufactured by undergoing processes including: a process for irradiating ultrasonic waves to water; a process for mixing a catalyst and the water, then mixing the mixture and solvent, and performing dispersing treatment; and a process for mixing the mixture and a proton conductivity polymer electrolyte and performing dispersing treatment. <P>COPYRIGHT: (C)2012,JPO&INPIT |
