By a News Reporter-Staff News Editor at Energy Weekly News -- Investigators discuss new findings in Ethanol. According to news reporting originating in Campinas, Brazil, by VerticalNews journalists, research stated, "Nafion ® 117 membranes doped with Pt (4 x 10(-4) mol L-1 or 8 x 10(-4) mol L-1 H2PtCl6 solution), and with Pt-Ru (4 x 10(-4) mol L-1 H2PtCl6 and 2 x 10(-4) mol L-1 RuCl3 solutions) nanoparticles have been synthesized using a simple and scalable absorption-reduction method. The chemical integrity of the membranes was confirmed by C-13 and F-19 solid-state NMR."
The news reporters obtained a quote from the research from the State University of Campinas, "The pore microstructure of the membranes was preserved after the doping process, according to SAXS measurements. The tests of the direct ethanol fuel cells (DEFC) performance at 90 degrees C exhibited up to 38% and 56% increase at the maximum power densities for Pt doped-Nafion ® membrane from lower and higher concentration of H2PtCl6 solution, respectively, compared to bare Nafion membranes. Additionally, a Pt-Ru doped-membrane tested at 110 degrees C exhibited the highest power density. Such superior performances may be attributed to a synergistic effect between the extra amount of active catalytic sites inside the pore structure for the electrochemical oxidation of ethanol, thus preventing ethanol crossover, and the excellent proton migration properties conferred by the pore microstructure of Nafion ®."
According to the news reporters, the research concluded: "These results demonstrate that the doped-Nafion ® membrane has a good capacity to improve the performance of DEFC, and provided further clarification on the synthesis process of polymer electrolyte doped-membranes in fuel cell technology."
For more information on this research see: Improvement on direct ethanol fuel cell performance by using doped-Nafion ® 117 membranes with Pt and Pt-Ru nanoparticles. International Journal of Hydrogen Energy, 2013;38(27):12060-12068. International Journal of Hydrogen Energy can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; International Journal of Hydrogen Energy - www.elsevier.com/wps/product/cws_home/485)
Our news correspondents report that additional information may be obtained by contacting L.C. Battirola, Campinas State University, Inst Fis, BR-13083859 Campinas, SP, Brazil. Additional authors for this research include J.F. Schneider, I.C.L. Torriani, G. Tremiliosi and U.P. Rodrigues.
Keywords for this news article include: Brazil, Energy, Campinas, Alcohols, Fuel Cell, Oil & Gas, Nanoparticle, South America, Ethanolamines, Nanotechnology, Emerging Technologies
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