@misc{silva_characterization_and_2005, 
author={Silva, V., Ruffmann, B., Vetter, S., Mendes, A., Madeira, L., Pereira Nunes, S.},
title={Characterization and application of composite membranes in DMFC},
year={2005},
howpublished = {journal article},
doi = {https://doi.org/10.1016/j.cattod.2005.03.051},
abstract = {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.},
note = {Online available at: \url{https://doi.org/10.1016/j.cattod.2005.03.051} (DOI). Silva, V.; Ruffmann, B.; Vetter, S.; Mendes, A.; Madeira, L.; Pereira Nunes, S.: Characterization and application of composite membranes in DMFC. Catalysis Today. 2005. vol. 104, no. 2-4, 205-212. DOI: 10.1016/j.cattod.2005.03.051}}