Sfoglia per Autore "Song, S."
Items 21-40 di 40
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Exergy analysis of an ethanol fuelled proton exchange membrane (PEM) fuel cell system for automobile applications
Song, S.; Douvartzides, S.; Tsiakaras, P. (2005)An integrated ethanol fuelled proton exchange membrane fuel cell (PEMFC) power system was investigated following a second law exergy analysis. The system was assumed to have the typical design for automobile applications ... -
A facile soft-template synthesis of ordered mesoporous carbon/tungsten carbide composites with high surface area for methanol electrooxidation
Wang, Y.; He, C.; Brouzgou, A.; Liang, Y.; Fu, R.; Wu, D.; Tsiakaras, P.; Song, S. (2012)Ordered 2D hexagonal mesoporous carbon/tungsten carbide (OMC/WC) composite nanomaterials have been successfully synthesized for the first time by the soft-template method with ammonium metagungstate as tungsten precursor ... -
Glucose electrooxidation in alkaline medium: Performance enhancement of PdAu/C synthesized by NH3 modified pulse microwave assisted polyol method
Jiang, T.; Yan, L.; Meng, Y.; Xiao, M.; Wu, Z.; Tsiakaras, P.; Song, S. (2015)Lack of highly efficient and stable electrocatalysts for glucose electrooxidation is a bottleneck for the real application of glucose fuel cells and electrochemical sensors. Herein we report the synthesis of the PdAu/C ... -
High surface area tungsten carbide microspheres as effective Pt catalyst support for oxygen reduction reaction
Wang, Y.; Song, S.; Maragou, V.; Shen, P. K.; Tsiakaras, P. (2009)In the present work, the preparation of high surface area (256 m2 g-1) tungsten carbide microspheres (TCMSs) by the aid of a simple hydrothermal method is realized and the performance of the Pt electrocatalyst supported ... -
How far are direct alcohol fuel cells from our energy future?
Song, S.; Maragou, V.; Tsiakaras, P. (2007)Direct alcohol fuel cells (DAFCs) have been attracting more and more attention and interest during the last decade due to their simplicity, the easy handle and the high power density of the liquid alcohol fuels. However, ... -
Investigation of the reaction of ethanol-steam mixtures in a YSZ electrochemical reactor operated in a fuel cell mode
Poulianitis, C.; Maragou, V.; Yan, A.; Song, S.; Tsiakaras, P. (2006)In the present investigation ethanol-water mixtures were directly fed to a yttria stabilized zirconia (YSZ) electrochemical reactor operated in a fuel cell mode and the preliminary results are presented and discussed. ... -
An investigation of WC stability during the preparation of Pt@WC/OMC via a pulse microwave assisted polyol method
Wang, K.; Pan, Z.; Tzorbatzoglou, F.; Zhang, Y.; Wang, Y.; Tsiakaras, P.; Song, S. (2015)In the present work, the WC stability during the preparation of Pt@WC/OMC (Ordered Mesoporous Carbon) electrocatalysts, through a pulse microwave-assisted polyol method, is investigated by the aid of X-ray diffraction and ... -
KOH-activated multi-walled carbon nanotubes as platinum supports for oxygen reduction reaction
He, C.; Song, S.; Liu, J.; Maragou, V.; Tsiakaras, P. (2010)In the present investigation, multi-walled carbon nanotubes (MWCNTs) thermally treated by KOH were adopted as the platinum supporting material for the oxygen reduction reaction electrocatalysts. FTIR and Raman spectra were ... -
Ordered mesoporous tungsten carbide/carbon composites promoted Pt catalyst with high activity and stability for methanol electrooxidation
Wang, K.; Wang, Y.; Liang, Z.; Liang, Y.; Wu, D.; Song, S.; Tsiakaras, P. (2014)The current anode materials used for direct methanol fuel cells (DMFCs) are expensive and not sufficiently durable for commercial development. One of the major challenges lies in the development of an inexpensive, efficient ... -
PdxRuy/C binary catalysts for glucose electrooxidation
Brouzgou, A.; Tzorbatzoglou; Song, S.; Tsiakaras, P. (2013)PdxRuy/C (x:y=1:2, 1:3, 2:1 and 3:1) electrocatalysts are prepared by a modified pulse microwave assisted polyol method and are studied for glucose electrooxidation in alkaline media. The effects of glucose's concentrations ... -
Preface to Special Column on Electrocatalysis for Fuel Cells
Tsiakaras, P.; Song, S. (2015) -
Preparation and characterization of a novel KOH activated graphite felt cathode for the electro-Fenton process
Wang, Y.; Liu, Y.; Wang, K.; Song, S.; Tsiakaras, P.; Liu, H. (2015)In the present investigation, graphite felt (GF) activated by KOH at high temperature is adopted as the electro-Fenton cathode for degrading organic pollutants contained in the wastewater. Scanning electron microscopy ... -
Pt based anode catalysts for direct ethanol fuel cells
Zhou, W.; Zhou, Z.; Song, S.; Li, W.; Sun, G.; Tsiakaras, P.; Xin, Q. (2003)In the present work several Pt-based anode catalysts supported on carbon XC-72R were prepared with a novel method and characterized by means of XRD, TEM and XPS analysis. It was found that all these catalysts are consisted ... -
Pt-based catalysts for direct ethanol fuel cells
Song, S.; Xin, Q.; Sun, G.; Tsiakaras, P. (2004)A PtSn/C catalyst was synthesized by the direct decoration of commercial Pt/C with Sn as anode electrocatalyst in direct ethanol fuel cell (DEFC). The techniques of cyclic voltammetry, anode polarization curve, and single ... -
Recent advances in direct alcohol PEMFCS
Song, S.; Tsiakaras, P. (2005)Direct alcohol proton exchange membrane fuel cells (DAFCs) have been under active and extensive investigation worldwide due to the easy handle of the liquid fuels, which can be directly fed to the anode compartment and ... -
Recent progress in direct ethanol proton exchange membrane fuel cells (DE-PEMFCs)
Song, S.; Tsiakaras, P. (2006)Direct ethanol fuel cells (DEFCs) belong to the family of proton exchange membrane fuel cells (PEMFCs), in which ethanol is directly used as the fuel. In the present work, the main aspects related to DEFCs such as ... -
Simulation of the operation of a direct ethanol fuel cell anode
Andreadis, G.; Song, S.; Tsiakaras, P. (2005)Direct ethanol fuel cells (DEFCs) have motivated more and more interest in recent years due to the intrinsic advantages of ethanol such as its low toxicity, renewability, and its easy production in great quantity by the ... -
Study of the products distribution during a direct ethanol PEM fuel cell operation
Andreadis, G.; Song, S.; Tsiakaras, P. (2011)In the present work the effect of both cell discharge current and operating temperature on (a) the ethanol conversion, (b) the reaction products distribution and (c) the reaction yield towards each released product, during ... -
Two-step sequence for synthesis of efficient PtSn@Rh/C catalyst for oxidizing ethanol and intermediate products
Song, S.; He, C.; Liu, J.; Wang, Y.; Brouzgou, A.; Tsiakaras, P. (2012)PtSn@Rh/C-HT catalysts were designed and synthesized by a two-step sequence synthesis: Rh was firstly deposited on the carbon support and then PtSn through microwave assisted polyol method, followed by the heat treatment ... -
Understanding the electrocatalytic activity of PtxSny in direct ethanol fuel cells
Wang, Y.; Song, S.; Andreadis, G.; Liu, H.; Tsiakaras, P. (2011)In the present work, the activity of PtxSny/C catalysts towards ethanol, acetaldehyde and acetic acid electrooxidation reactions is investigated for each one separately by means of cyclic voltammetry. To this purpose, a ...