%0 journal article %@ 0920-5861 %A Silva, V., Ruffmann, B., Vetter, S., Mendes, A., Madeira, L., Pereira Nunes, S. %D 2005 %J Catalysis Today %N 2-4 %P 205-212 %R doi:10.1016/j.cattod.2005.03.051 %T Characterization and application of composite membranes in DMFC %U https://doi.org/10.1016/j.cattod.2005.03.051 2-4 %X the unmodified sPEEKmembrane with SD = 42%proved to have the best performance, althoughwith higher methanol crossover. In contrast, for r.h. of 138%, the best performancewas achieved by the sPEEKcomposite membrane with SD = 68 and 20.0 wt.% of ZrPh and 11.2 wt.% of PBI.