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Nitrogen-Doped Carbon as a Pt Support for  Oxygen Reduction...

  • Date
    Fri, Sep 27

    Time
    1:30 PM — 2:30 PM

    Address
    Steinman Hall 312

    p: 212.650.5748

    Admission
    Free

  • Event Details

    The ChE Department would like to welcome Sujan Shrestha from the Univ. of Connecticut

    Title:
    Nitrogen-Doped Carbon as a Pt Support for
    Oxygen Reduction Reaction

    Abstract:
    Electrochemical applications of carbon are wide and varied. It is used as electrode for batteries, capacitors and proton exchange membrane fuel cells (PEMFCs). In PEMFCs, Pt/carbon black is the standard catalyst. However, we need alternative catalyst support to enhance the activity of Pt. One of the candidates is carbon doped with nitrogen heteroatoms. Nitrogen-doped carbon support has improved catalyst size distribution. But, the role of nitrogen is not well-understood. In this talk, I will discuss the promises and challenges of nitrogen-doped carbon as a Pt support. Then, I will present my work on the effect of microstructure and nitrogen content of nitrogen-doped carbon on the oxygen reduction activity of Pt.

    Biography:
    Sujan Shrestha graduated from Fairleigh Dickinson University with B.S. in Chemistry in 2008 (Summa Cum Laude). Then he joined Chemical Engineering program at University of Connecticut as a PhD student. His research focuses on nitrogen-doped carbon for electrochemical applications. So far, Sujan’s work has resulted 4 peer-reviewed journal publications as first author, 4 peer-reviewed journal publications as a second author, one review article and one book chapter.
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