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Platinum–Nickel Electrocatalysts for a Proton-Exchange Membrane Fuel Cell Cathode: Their Synthesis, Acid Treatment, Microstructure and Electrochemical Behavior

Author

Listed:
  • Ekaterina Kozhokar

    (Faculty of Chemistry, Southern Federal University, 7 Zorge St., Rostov-on-Don 344090, Russia)

  • Angelina Pavlets

    (Faculty of Chemistry, Southern Federal University, 7 Zorge St., Rostov-on-Don 344090, Russia)

  • Ilya Pankov

    (Research Institute of Physical Organic Chemistry, Southern Federal University, 194/2 Stachki St., Rostov-on-Don 344090, Russia)

  • Anastasia Alekseenko

    (Faculty of Chemistry, Southern Federal University, 7 Zorge St., Rostov-on-Don 344090, Russia)

Abstract

Within this research, we studied the structural–morphological and electrochemical characteristics of the PtNi/C catalysts synthesized via the two-stage sequential reduction of precursors. We also carried out a comparative study of the obtained bimetallic catalysts and their commercial Pt/C analog. The use of triethylamine as a surfactant as well as the acid treatment as an additional synthesis stage, were shown to have a positive effect on the functional parameters of the bimetallic electrocatalysts. The resulting PtNi/C electrocatalyst demonstrates a mass activity value of 389 A g Pt −1 , which is 1.6 times higher than this parameter for a commercial analog.

Suggested Citation

  • Ekaterina Kozhokar & Angelina Pavlets & Ilya Pankov & Anastasia Alekseenko, 2023. "Platinum–Nickel Electrocatalysts for a Proton-Exchange Membrane Fuel Cell Cathode: Their Synthesis, Acid Treatment, Microstructure and Electrochemical Behavior," Energies, MDPI, vol. 16(16), pages 1-15, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:16:p:6078-:d:1220994
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    References listed on IDEAS

    as
    1. Abdul Ghani Olabi & Enas Taha Sayed, 2023. "Developments in Hydrogen Fuel Cells," Energies, MDPI, vol. 16(5), pages 1-5, March.
    2. Rolando Pedicini & Marcello Romagnoli & Paolo E. Santangelo, 2023. "A Critical Review of Polymer Electrolyte Membrane Fuel Cell Systems for Automotive Applications: Components, Materials, and Comparative Assessment," Energies, MDPI, vol. 16(7), pages 1-28, March.
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