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Potassium ion conducting PGE film encompassing poly(vinylidene fluoride-co-hexafluoropropylene) PVdF-HFP, tetraethylene glycol dimethyl ether (TEGDME), and potassium perchlorate KClO4 salt has been developed. Complex impedance spectroscopy, cyclic voltammetry, X-ray diffraction, and Fourier transform infrared have been used to characterise the prepared membrane. Incorporating TEGDME in the polymer PVdF-HFP/polymer electrolyte alters the electrochemical properties of PGE. At 30 °C, the electrolyte membrane has σ of 3.67 × 10−4 S cm−1, rising to 5.32 × 10−4 S cm−1 at 40 °C. To study the ion dynamics of the prepared electrolyte, the real and imaginary portions of dielectric and modulus are studied as a function of frequency at 30 and 40 °C, respectively. Cyclic voltammetry has been employed to determine the operational voltage range of the PGE. Fourier transform infrared (FTIR) and X-ray diffraction (XRD) have been employed to investigate substantial structural changes in the PVdF-HFP caused by TEGDME trapping and ion-polymer interaction.

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Electrical and Structural Studies on PVdF-HFP-Based Polymer Gel Electrolyte with TEGDME as Plasticiser

  • 会议论文

  • 发表日期：

    2025年

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  • Vaishali Madhani,
  • Maitri Patel,
  • Deepak Kumar,
  • Mahendra Singh Rathore

摘要

Potassium ion conducting PGE film encompassing poly(vinylidene fluoride-co-hexafluoropropylene) PVdF-HFP, tetraethylene glycol dimethyl ether (TEGDME), and potassium perchlorate KClO4 salt has been developed. Complex impedance spectroscopy, cyclic voltammetry, X-ray diffraction, and Fourier transform infrared have been used to characterise the prepared membrane. Incorporating TEGDME in the polymer PVdF-HFP/polymer electrolyte alters the electrochemical properties of PGE. At 30 °C, the electrolyte membrane has σ of 3.67 × 10−4 S cm−1, rising to 5.32 × 10−4 S cm−1 at 40 °C. To study the ion dynamics of the prepared electrolyte, the real and imaginary portions of dielectric and modulus are studied as a function of frequency at 30 and 40 °C, respectively. Cyclic voltammetry has been employed to determine the operational voltage range of the PGE. Fourier transform infrared (FTIR) and X-ray diffraction (XRD) have been employed to investigate substantial structural changes in the PVdF-HFP caused by TEGDME trapping and ion-polymer interaction.