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Facile synthesis of porous PtRu colloid for enhanced methanol and ethanol electrooxidation

  • Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)
  • Published:
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Abstract

Porous Pt and PtRu nanocrystals were synthesized by a facile chemical reduction. The composition and structure of the nanocrystals were investigated by a series of methods and it was suggested the porous nanospheres composed by ultra-fine particles were obtained. Especially, the porous PtRu nanocrystal displayed more than 2.5-fold higher than commercial Pt/C both in mass and specific activity for the methanol electrooxidation. As for the ethanol electrooxidation, this PtRu nanocrystal also demonstrated about 1.6-fold increase of the activity compared with the Pt/C. Notably, a robust stability for the porous PtRu was evidenced by the result from the mass intensity after chronoamperometry test. The promoted catalytic performances of PtRu nanocrystal could be ascribed to the porous structure and well-known synergistic effect of Ru.

Porous PtRu colloid was synthesized by a facile chemical reduction, which displayed a robust methanol and ethanol electrooxidation activity and stability due to the porous structure and synergistic effect of Ru.

Highlights

  • Porous Pt and PtRu were successfully synthesized.

  • Enhanced electrooxidation ability was obtained with PtRu.

  • The advantage of porous structure and synergetic effect was evidenced.

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Acknowledgements

This work is supported by the Domestic Visiting Scholar Program for Outstanding Young Talents of Anhui Province (No. gxgnfx2021135) and Talent introduction project (HCYJ201604) of Anhui Science And Technology University.

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  1. College of Chemistry and Materials Engineering, Anhui Science and Technology University, Bengbu, Anhui, China

    Lei Bai

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  1. Lei Bai
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Correspondence to Lei Bai.

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Bai, L. Facile synthesis of porous PtRu colloid for enhanced methanol and ethanol electrooxidation. J Sol-Gel Sci Technol 103, 118–124 (2022). https://doi.org/10.1007/s10971-022-05819-8

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  • DOI: https://doi.org/10.1007/s10971-022-05819-8

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