BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//TYPO3/NONSGML News system (news)//EN
BEGIN:VEVENT
UID:news-263@www.unisyscat.de
DTSTAMP:20190318T115151Z
DTSTART:20190313T171500
DTEND:20190313T184500
SUMMARY:UniSysCat Colloquium
DESCRIPTION:Carbon-based Catalysts as Oxygen Reduction Reaction (ORR) and Oxygen Evolution Reaction (OER)  in Acidic Media\nProf. Dr. Umit S. Ozkan\nThe Ohio State University\nDepartment of Chemical and Biomolecular Engineering\nLarge scale commercialization of Proton Exchange Membrane Fuel Cells (PEMFCs) for power generation is hindered by their high cost, most of which is attributed to noble metal based cathode catalysts (platinum). Considerable research has been carried out to develop non-noble metal cathode catalysts for catalyzing the Oxygen Reduction Reaction (ORR). We have previously reported on the role of the transition metal and nitrogen in two classes of carbon-based materials, i.e., nitrogen-containing carbon nanostructures (CNx) and iron-nitrogen-carbon (Fe-N-C) catalysts. Our current research focuses on gaining further insights into these catalysts and establishing differences in their ORR and OER activity and stability. Detailed characterization of these materials has also been performed using techniques such X-ray photoelectron spectroscopy (XPS), Temperature Programmed Oxidation (TPO), X-ray Absorption Near Edge Spectroscopy (XANES), Extended-X-ray Absorption Spectroscopy (EXAFS), Superconducting Quantum Interference Device (SQUID) magnetometry, Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and Mössbauer Spectroscopy.\n\n
LOCATION:Technische Universität Berlin, Straße des 17. Juni 115, 10623 Berlin
ATTACH:
END:VEVENT
END:VCALENDAR