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<p>The electrochemical performance and service life of hydrogen fuel cells are the main problems limiting their large-scale applications. To address this problem, the study proposed to use polyacrylonitrile as the raw material to prepare catalyst carriers for electrode materials for potential fuel cell applications to optimize the electrochemical performance of hydrogen fuel cells. Meanwhile, to further enhance the service life of the hydrogen fuel cell electrode, the study modified the carbon nanocatalyst carrier with manganese acetylacetonate(III). The electrochemical performance and corrosion resistance of the manganese-treated modified electrode catalyst carriers were also tested. The best electrochemical performance was demonstrated by the carbon nanofiber carrier made with 6% polyacrylonitrile, according to the data. At 12% polyacrylonitrile content, the catalyst electrochemical performance specific surface area was only 28.50&#xa0;m<sup>2</sup>/g<sub>Pt</sub>. When the polyacrylonitrile content was reduced to 6%, the catalyst electrochemical performance specific surface area could rise to 76.72&#xa0;m<sup>2</sup>/g<sub>Pt</sub>. The corrosion resistance of this carrier could be significantly strengthened after 10% manganese treatment. After five voltammetric cycles, the catalyst loss was only 9.5%. The results indicate that the research has laid the groundwork for developing corrosion-resistant electrode materials suitable for fuel cells.</p>

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Electrochemical characterization of manganese-modified carbon nanofiber electrodes for potential fuel cell applications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月1日

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  • Xiaohong Qu

摘要

The electrochemical performance and service life of hydrogen fuel cells are the main problems limiting their large-scale applications. To address this problem, the study proposed to use polyacrylonitrile as the raw material to prepare catalyst carriers for electrode materials for potential fuel cell applications to optimize the electrochemical performance of hydrogen fuel cells. Meanwhile, to further enhance the service life of the hydrogen fuel cell electrode, the study modified the carbon nanocatalyst carrier with manganese acetylacetonate(III). The electrochemical performance and corrosion resistance of the manganese-treated modified electrode catalyst carriers were also tested. The best electrochemical performance was demonstrated by the carbon nanofiber carrier made with 6% polyacrylonitrile, according to the data. At 12% polyacrylonitrile content, the catalyst electrochemical performance specific surface area was only 28.50 m2/gPt. When the polyacrylonitrile content was reduced to 6%, the catalyst electrochemical performance specific surface area could rise to 76.72 m2/gPt. The corrosion resistance of this carrier could be significantly strengthened after 10% manganese treatment. After five voltammetric cycles, the catalyst loss was only 9.5%. The results indicate that the research has laid the groundwork for developing corrosion-resistant electrode materials suitable for fuel cells.