Πλοήγηση ανά Συγγραφέα "Li, W. Z."
-
Bi- and tri-metallic Pt-based anode catalysts for direct ethanol fuel cells
Zhou, W. J.; Li, W. Z.; Song, S. Q.; Zhou, Z. H.; Jiang, L. H.; Sun, G. Q.; Xin, Q.; Poulianitis, K.; Kontou, S.; Tsiakaras, P. (2004)In the present work, several Pt-based anode catalysts supported on activated carbon XC-72R were prepared by using a novel method, characterized and tested. XRD analysis and TEM images indicated that all of anode catalysts ... -
Direct ethanol fuel cells based on PtSn anodes: The effect of Sn content on the fuel cell performance
Zhou, W. J.; Song, S. Q.; Li, W. Z.; Zhou, Z. H.; Sun, G. Q.; Xin, Q.; Douvartzides, S.; Tsiakaras, P. (2005)In the present work, several carbon supported PtSn catalysts with different Pt/Sn atomic ratios were synthesized and characterized by X-ray diffraction (XRD), Transmission electron microscopy (TEM) and X-ray photoelectron ... -
Direct methanol fuel cells: Methanol crossover and its influence on single DMFC performance
Song, S. Q.; Zhou, W. J.; Li, W. Z.; Sun, G.; Xin, Q.; Kontou, S.; Tsiakaras, P. (2004)In the present investigation, the methanol crossover rate through Nafion((R))-115 membrane at different temperatures and different concentrations had been investigated in a fuel cell test apparatus by using gas chromatography ... -
Direct methanol fuel cells: The influence of methanol on the reduction of oxygen over Pt/C catalysts with different particle sizes
Li, W. Z.; Song, S. Q.; Zhou, W. J.; Sun, G. Q.; Xin, Q.; Poulianitis, C.; Tsiakaras, P. (2005)Two Pt/C catalysts with different particle sizes (Pt/C: 2.5 nm, Pt/C-700Ar: 5.1 nm) were investigated by applying a half-cell configuration - rotating disk electrode (RDE) technique in H2SO4 aqueous solutions in the absence ... -
Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts
Zhou, W. J.; Zhou, B.; Li, W. Z.; Zhou, Z. H.; Song, S. Q.; Sun, G. Q.; Xin, Q.; Douvartzides, S.; Goula, A.; Tsiakaras, P. (2004)Low-temperature polymer electrolyte membrane fuel cells directly fed by methanol and ethanol were investigated employing carbon supported Pt, PtSn and PtRu as anode catalysts, respectively. Employing Pt/C as anode catalyst, ... -
Pt-based anode catalysts for direct ethanol fuel cells
Zhou, W. J.; Song, S. Q.; Li, W. Z.; Sun, G. Q.; Xin, Q.; Kontou, S.; Poulianitis, K.; Tsiakaras, P. (2004)In the present work, several carbon supported PtSn and PtSnRu catalysts were prepared with different atomic ratios and tested in direct ethanol fuel cells (DEFC) operated at lower temperature (T=90 degreesC). XRD and TEM ...