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Reusable and active Pt@Co-NC catalysts for oxidation of glycerol

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  • Tang, Tian
  • Wang, Yini
  • Dong, Wensheng
  • Liu, Chunling
  • Xu, Chunli

Abstract

Exploring active Pt catalysts is essential both in academic and economic for glycerol oxidation. In this paper, a method for the synthesis of highly efficient Pt@Co-NC catalyst for glycerol oxidation was studied. Pt@Co-NC was synthesized by pyrolyzing the composite of Pt nanoparticles (NPs) encapsulated in ZIF-67 (Pt@ZIF-67). Transmission electron microscopy analysis showed that Pt existed in the form of PtCo NPs and PtCo alloys, and X-ray photoelectron spectra analysis demonstrated the interaction of Pt and Co-NC. These results indicated that the activity of Pt@Co-NC by this work was superior to that of Pt/Co-NC by conventional methods, including the polyol reduction method, galvanic replacement method, and sol-gel method. Pt@Co-NC was used five times without deactivation, suggesting its high reusability. The high reusability and activity of Pt@Co-NC were attributed to its structure caused by the synthetic methods. The pore confinement and the interaction of Pt and Co-NC played a key role in the high reusability and activity of Pt@Co-NC.

Suggested Citation

  • Tang, Tian & Wang, Yini & Dong, Wensheng & Liu, Chunling & Xu, Chunli, 2020. "Reusable and active Pt@Co-NC catalysts for oxidation of glycerol," Renewable Energy, Elsevier, vol. 153(C), pages 472-479.
    • Handle: RePEc:eee:renene:v:153:y:2020:i:c:p:472-479
    DOI: 10.1016/j.renene.2020.02.029
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    1. Bagheri, Samira & Julkapli, Nurhidayatullaili Muhd & Yehye, Wageeh A., 2015. "Catalytic conversion of biodiesel derived raw glycerol to value added products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 113-127.
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