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<p>Recently, perovskite materials have drawn the attention of researchers due to their promising properties in energy conversion and energy storage applications. In this work, we reported Co-substituted Ca<sub>2</sub>Mn<sub>2</sub>O<sub>5</sub> perovskite, revealing a fast-switching response and efficient energy storage capability. The samples were synthesized using the sol − gel auto-combustion technique. Structural analysis confirms the orthorhombic crystal structure of the material. Because of the smaller ionic radii of Co<sup>+ 3</sup>, the lattice parameters marginally decreased as Co-substitution increased. Field emission scanning electron microscopy revealed the non-homogenous distributed grains of roughly spherical shape. The P-E loop analysis showed the maximum polarization for the specimen with x = 0.16 with an electric field of 100&#xa0;V/cm. Moreover, the maximum recoverable energy storage density and maximum efficiency were also observed for the specimen with x = 0.16. Electrical conductivity, I-V characteristics, and fast switching capability were also investigated in our work. I-V characteristic displayed the gradual increase in current with the increment of substitution contents. This study unwrapped the potential of this material for application in energy storage, data storage, and fast-switching electronic applications.</p>

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Efficient energy storage and fast charge-switching capability in Co-substituted Ca2Mn2O5 perovskites

  • 期刊论文

  • 发表日期：

    2025年1月14日

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  • Sajeel Khan,
  • Muhammad Atif Yaqub,
  • Saima Alam,
  • Muhammad Zeeshan,
  • Abdul Quader,
  • Shahid M. Ramay,
  • Shahid Atiq

摘要

Recently, perovskite materials have drawn the attention of researchers due to their promising properties in energy conversion and energy storage applications. In this work, we reported Co-substituted Ca2Mn2O5 perovskite, revealing a fast-switching response and efficient energy storage capability. The samples were synthesized using the sol − gel auto-combustion technique. Structural analysis confirms the orthorhombic crystal structure of the material. Because of the smaller ionic radii of Co+ 3, the lattice parameters marginally decreased as Co-substitution increased. Field emission scanning electron microscopy revealed the non-homogenous distributed grains of roughly spherical shape. The P-E loop analysis showed the maximum polarization for the specimen with x = 0.16 with an electric field of 100 V/cm. Moreover, the maximum recoverable energy storage density and maximum efficiency were also observed for the specimen with x = 0.16. Electrical conductivity, I-V characteristics, and fast switching capability were also investigated in our work. I-V characteristic displayed the gradual increase in current with the increment of substitution contents. This study unwrapped the potential of this material for application in energy storage, data storage, and fast-switching electronic applications.