초록 |
There have been trials to incorporate inorganic oxides for self-humidification and suppression of methanol crossover. In the present study, various type of nanosized inorganic fillers were incorporated in the form of organic-inorganic complexes which were composed of organic dispersants and functional inorganic fillers. Their synergetic effect led to overall improvement of membrane performances such as proton conductivity, dimensional stability, and resistance to hydrolytic and free radical attack. Nanophase-separated inorganic oxide along with organic dispersants also hindered methanol transport across composite membranes, and contributed to excellent single cell performance. |