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Abstract <p>The feasibility of producing Al–C nanocomposites for use in supercapacitor designs was investigated using mechanical activation and short-pulse laser processing. Electrodes based on the Al–C composite exhibit a uniform porous structure with an average particle size of 20 μm and a specific surface area of 31&#xa0;m<sup>2</sup>/g. Studies of the structural and phase composition of the resulting materials revealed that mechanical activation and short-pulse laser processing lead to the formation of aluminum oxide and aluminum carbide, while most of the surface carbon is disordered. The maximum capacitance of supercapacitor electrodes produced from the obtained material corresponds to the composition Al–47% C–12% Si and amounted to 23 F/g.</p>

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Electrical Capacity of Al–C Nanocomposites Obtained by Mechanical Activation and Short-Pulse Laser Processing of Powder Materials

  • 期刊论文

  • 发表日期：

    2026年5月18日

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  • T. A. Pisareva,
  • E. V. Kharanzhevskiy,
  • S. M. Reshetnikov

摘要

Abstract

The feasibility of producing Al–C nanocomposites for use in supercapacitor designs was investigated using mechanical activation and short-pulse laser processing. Electrodes based on the Al–C composite exhibit a uniform porous structure with an average particle size of 20 μm and a specific surface area of 31 m2/g. Studies of the structural and phase composition of the resulting materials revealed that mechanical activation and short-pulse laser processing lead to the formation of aluminum oxide and aluminum carbide, while most of the surface carbon is disordered. The maximum capacitance of supercapacitor electrodes produced from the obtained material corresponds to the composition Al–47% C–12% Si and amounted to 23 F/g.