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  • Carbonized Nanoscale Metal-Organic Frameworks as High Performance Electrocatalyst for Oxygen Reduction Reaction

    Author(s)
    Zhao, Shenlong
    Yin, Huajie
    Du, Lei
    He, Liangcan
    Zhao, Kun
    Chang, Lin
    Yin, Geping
    Zhao, Huijun
    Liu, Shaoqin
    Tang, Zhiyong
    Griffith University Author(s)
    Zhao, Huijun
    Tang, Zhiyong
    Yin, Huajie
    Year published
    2014
    Metadata
    Show full item record
    Abstract
    The oxygen reduction reaction (ORR) is one of the key steps in clean and efficient energy conversion techniques such as in fuel cells and metal-air batteries; however, several disadvantages of current ORRs including the kinetically sluggish process and expensive catalysts hinder mass production of these devices. Herein, we develop carbonized nanoparticles, which are derived from monodisperse nanoscale metal organic frameworks (MIL-88B-NH3), as the high performance ORR catalysts. The onset potential and the half-wave potential for the ORR at these carbonized nanoparticles is up to 1.03 and 0.92 V (vs RHE) in 0.1 M KOH solution, ...
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    The oxygen reduction reaction (ORR) is one of the key steps in clean and efficient energy conversion techniques such as in fuel cells and metal-air batteries; however, several disadvantages of current ORRs including the kinetically sluggish process and expensive catalysts hinder mass production of these devices. Herein, we develop carbonized nanoparticles, which are derived from monodisperse nanoscale metal organic frameworks (MIL-88B-NH3), as the high performance ORR catalysts. The onset potential and the half-wave potential for the ORR at these carbonized nanoparticles is up to 1.03 and 0.92 V (vs RHE) in 0.1 M KOH solution, respectively, which represents the best ORR activity of all the non-noble metal catalysts reported so far. Furthermore, when used as the cathode of the alkaline direct fuel cell, the power density obtained with the carbonized nanoparticles reaches 22.7 mW/cm2, 1.7 times higher than the commercial Pt/C catalysts.
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    Journal Title
    ACS Nano
    Volume
    8
    Issue
    12
    DOI
    https://doi.org/10.1021/nn505582e
    Copyright Statement
    Self-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the authors for more information.
    Subject
    Inorganic chemistry not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/66752
    Collection
    • Journal articles

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