News Column

New Findings from M. Sakthivel and Co-Authors Describe Advances in Chalcogens

May 6, 2014



By a News Reporter-Staff News Editor at Life Science Weekly -- A new study on Chalcogens is now available. According to news reporting from Frankfurt, Germany, by NewsRx journalists, research stated, "A Pt/Au/C core-shell catalyst was developed for oxygen reduction reaction by using a surfactant-free chemical reduction and a subsequent electroless redox-transmetalation method. A full coverage of the Au core (similar to 30 nm) by the Pt nanoparticles (similar to 5 nm) was achieved after 48 h of redox-transmetalation time which was confirmed by UV-Vis, TEM and electrochemical measurements."

The news correspondents obtained a quote from the research, "The electrocatalytic activity of the as-prepared Pt/Au/C towards ORR was studied in 1 M H2SO4 by means of rotating disk electrode investigations. The Pt + Au mass-normalized activity of Pt/Au/C was found to be 2 times higher than that measured at Pt/C. In the high current densities region, however, a Tafel slope of 143 mV was calculated for Pt/Au/C_48 h, compared to 120 mV for Pt/C."

According to the news reporters, the research concluded: "The novel catalyst showed a higher methanol tolerance and improved stability compared to the Pt/C reference one."

For more information on this research see: Redox-transmetalation of Pt/Au catalyst for oxygen reduction reaction. Electrochimica Acta, 2014;120():73-79. Electrochimica Acta can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England (see also Chalcogens).

Our news journalists report that additional information may be obtained by contacting M. Sakthivel, DECHEMA Forsch Inst, D-60486 Frankfurt, Germany.

Keywords for this news article include: Europe, Germany, Frankfurt, Chalcogens

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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