Resin-Derived Hierarchical Porous Carbon Spheres with High Catalytic Performance in the Oxidative Dehydrogenation of Ethylbenzene

Authors

  • Dr. Lifeng Wang ,

    1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012 (PR China)
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    • These authors contributed equally to this manuscript.

  • Dr. Juan J. Delgado ,

    1. Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Faradayweg 4–6, 14195 Berlin (Germany), Fax: (+49) 30 84134405
    2. Current address: Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Campus Río San Pedro, 11510 Puerto Real, Cádiz (Spain)
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    • These authors contributed equally to this manuscript.

  • Dr. Benjamin Frank ,

    1. Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Faradayweg 4–6, 14195 Berlin (Germany), Fax: (+49) 30 84134405
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    • These authors contributed equally to this manuscript.

  • Zhe Zhang,

    1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012 (PR China)
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  • Zhichao Shan,

    1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012 (PR China)
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  • Prof.Dr. Dang Sheng Su ,

    Corresponding author
    1. Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Faradayweg 4–6, 14195 Berlin (Germany), Fax: (+49) 30 84134405
    2. Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016 Shenyang (PR China)
    • Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Faradayweg 4–6, 14195 Berlin (Germany), Fax: (+49) 30 84134405
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  • Prof. Dr. Feng-Shou Xiao

    Corresponding author
    1. Department of Chemistry, Zhejiang University, Hangzhou 310028 (PR China), Fax: (+86) 431-85168590
    • Department of Chemistry, Zhejiang University, Hangzhou 310028 (PR China), Fax: (+86) 431-85168590
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Abstract

Pre-shaped hierarchical porous carbon (HPC) spheres have been synthesized through a facile anion exchanged route. An industrial polymeric anion-exchange resin with a hierarchical pore structure was used as the carbon precursor. Its high porosity was conserved using an aluminate/silicate precursor forming a hard support to prevent the structural collapse during the carbonization process. Physicochemical bulk and surface properties of the obtained HPC spheres were characterized by X-ray diffraction, scanning and transmission electron microscopy, N2 physisorption, and X-ray photoemission spectroscopy. Results obtained indicate that HPC keeps the abundant hierarchical porosity including meso- and macropores as well as the high surface area of the resin precursor. The as-synthesized HPC spheres were tested as a catalyst for oxidative dehydrogenation of ethylbenzene to styrene. The oxygen-rich catalyst surface formed under reaction conditions shows a high catalytic performance and stability, making HPC to a potential catalyst for this type of reaction.

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