The reactions at triple phase boundary are unique to be found in fuel cells, which infer that focal points where ion exchangeable polymer to conduct water hydrated ions, electronic conductor to conduct electron and gases in pores of electrodes meet simultaneously allows complete full fuel cell reactions. Ion exchangeable polymer dispersed in solvents could be only introduced in catalyst ink due to difficulty in forming nano-scale body. Thus, new dispersion techniques for ion exchangeable polymers is necessarily developed.

• 박진수(상명대학교 공과대학 그린화학공학과, Department of Green Chemical Engineering, College of Engineering, Sangmyung University) | Jin-Soo Park